Regarding PSK and SRP support for Tomcat 9.0.37 server

[Rahul Shukla]

Hi All,
I am using Tomcat server with version 9.0.37 and JSSE is configured for TLS.
*Use Case:* TLS Client, that uses OpenSSL1.1.1d internally, is trying to
connect this Tomcat server using PSK and SRP based ciphers(Ex :
_RSA-PSK-AES256-GCM-SHA384). Here we are observing a Fatal error on the
client side.
*Question:* Are PSK and SRP based ciphers supported by the Tomcat server
configured with JSSE? I found one old article saying that it is not
supported by JSSE(
http://tomcat.10.x6.nabble.com/How-to-set-up-TLS-PSK-with-Tomcat-td5022729.html).
Not sure if it is supported in the latest versions. If it is supported, how
can I configure it. Any reference will be really appreciated. Any idea, if
PSK and SRP based ciphers are only supported for any specific TLS protocol
version?

Thanks, Rahul.

Regarding PSK and SRP support for Tomcat 9.0.37 server

[Rahul Shukla]

Hi All,
I am using Tomcat server with version 9.0.37 and JSSE is configured for TLS.
*Use Case:* TLS Client, that uses OpenSSL1.1.1d internally, is trying to
connect this Tomcat server using PSK and SRP based ciphers(Ex :
_RSA-PSK-AES256-GCM-SHA384). Here we are observing a Fatal error on the
client side.
*Question:* Are PSK and SRP based ciphers supported by the Tomcat server
configured with JSSE? I found one old article saying that it is not
supported by JSSE(
http://tomcat.10.x6.nabble.com/How-to-set-up-TLS-PSK-with-Tomcat-td5022729.html).
Not sure if it is supported in the latest versions. If it is supported, how
can I configure it. Any reference will be really appreciated. Any idea, if
PSK and SRP based ciphers are only supported for any specific TLS protocol
version?

Thanks, Rahul.

ApacheTomcat - 8.0. 37: Files are not displaying in sorted order.

[Rahul Ranjan]

Hi Team,

I am facing an issue. I have a link
[*href="http://pacir.st.tmt.com/nosrw/data/cast/data/
<http://pacir.st.tmt.com/nosrw/data/cast/data/>*] to "*CAST Reports*" on my
webpage, that redirects to the directory on my server "
*/opt/app/pacir/nwpeb/data/cast/data/*" and shows entire files and folders
of directory in browser.

*Code to redirect: *

  
 
 http://pacir.st.tmt.com/nosrw/data/cast/data/;
onMouseOver="self.status = ''; return true" onMouseOut="self.status = '';
return true">CAST Reports
 



The issue is the files and folder is not showing in a sorted order. I am
attaching you a screenshot for your reference.

[image: image.png]

As I know by default Apache-Tomcat displays the files in a sorted order. I
don't know why it's behaving like that.

Please help me to know, why it's displaying in unsorted order?

*Regards,*

[image: Lucida Technologies]

RAHUL RANJAN
C++ Developer | IBM
Mob   : 9570311276
Skype: rahulranjan.c...@gmail.com
[image: facebook] <https://www.facebook.com/rahulranjancusb/>
[image: linkedin] <https://www.linkedin.com/in/rahulranjancusb/>

Problem in ApacheTomcat - 8.0. 37: Files are not displaying in sorted order.

[Rahul Ranjan]

 Hi Team,

I am facing an issue which is related to ApacheTomcat-8.0.37. I wrote a
code to display the files/folder in browser. By default it should display
in alphabetically sorted order. But it's not showing.
I have migrated my code from Unix to Linux. In Unix system my code was
working fine. Can you please tell me what could be the problem?

I am attaching you a screenshot for reference. I will appreciate any help.
[image: image.png]
*Regards,*

[image: Lucida Technologies]

RAHUL RANJAN
C++ Developer | IBM
Mob   : 9570311276
Skype: rahulranjan.c...@gmail.com
[image: facebook] <https://www.facebook.com/rahulranjancusb/>
[image: linkedin] <https://www.linkedin.com/in/rahulranjancusb/>

After updating to Tomcat V7.0.78 from V7.0.54 JSP compilation fails due to 65535 bytes limit

[Rahul Singh]

Hi Tomcat Team,

Thanks for your always support and guidence !!

In one of the web application Tomcat is migrated from V7.0.54 to V7.0.78. After 
update one phenomena is reported regarding JSP file compilation at run time.


>From stack trace analysis it is evident that JSP to JAVA compilation is 
>surpassing the 65535 bytes limit.

After analysis we have found some solution, but we would like to knowin which 
version this chnage is introduced BW Tomcat 7.0.54 and Tomcat 7.0.78. If 
possible we would like to know what chnages has been done in tomcat that leads 
to this phenomena.

JFYI, Same JSP was succesfully executed and compiled in Tomcat 7.0.54. and no 
information is mentioned in chnagelogs and relase notes related to this 
phenomena.

Your eraly response is highly appriciated !!


Regards,

Rahul kumar Singh

Why Tomcat Session Replication requires Sticky Sessions

[Singh, Rahul (CWM-NR)]

Hi,
We are using Tomcat 7
My question is - Why does Tomcat Session Replication require Sticky sessions to 
be enabled?
We cannot have a sticky session setup in our servers, due to policy issues. To 
maintain session state across different machines, we were planning to use 
session replication. But it seems stickiness is a pre-condition for session 
replication. Why? Is it not a replacement for sticky sessions?
Regards,
Rahul

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Re: Tomcat 7.0.54 gives zero-byte .java and .class files for jsp in work directory that cause truncated class error

[Rahul Singh]

Dear Christopher,


Thanks you very much for your response !!


>Filesystem quota?


Filesystem Quota is not enabled for this disk partition so there is no 
restrictions on disk usage.


>Look at the timestamps on the zero-byte files, then find that same
>place in catalina.out or one of the other Tomcat-specific log files.
>See if there's anything in those log files that gives a reason for the
>failure to compile your JSPs.


We have seen the catlina.out and other tomcat logs but no such evidence 
regarding the compilation of JSP.


during googling in various forums, we have observed that the same problem is 
occurred to one of the senior engineer of google, and it is unresolved/open yet.


reference: 
http://stackoverflow.com/questions/8813509/how-does-tomcat-generate-its-work-directory-jsp-java-files-and-what-might-cau


It is very critical problem in our production environments (occurring Many 
production environments),  and it is raised as tomcat specific problem so 
occurrence condition and root cause may be required from tomcat team.



Regards,

Rahul Kumar Singh







From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Sunday, July 31, 2016 5:38:13 PM
To: Tomcat Users List
Subject: Re: Tomcat 7.0.54 gives zero-byte .java and .class files for jsp in 
work directory that cause truncated class error

-BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Rahul,

On 7/28/16 1:50 AM, Rahul Singh wrote:
> Hi tomcat team, Thanks for your continued support and help.
>
> I am facing the a peculiar problem in Tomcat 7.0.54.

Any chance for a Tomcat upgrade? Also, Java 7 has reached End-of-Life.

> Configurations: OS: RHEL Tomcat:7.0.54 Java:1.7.79

If you are using RHEL packages, you may not have an upgrade path. :(

> A jsp that was running properly gave the following exception after
> graceful tomcat restart
>
>  javax.servlet.ServletException:
> java.lang.ClassFormatError: Truncated class file at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appli
cationFilterChain.java:303)
>
>
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:208)
> at
> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
>
>
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:241)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
lterChain.java:208)
>
>
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc
her.java:748)
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(Applicat
ionDispatcher.java:486)
>
>
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDisp
atcher.java:411)
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDisp
atcher.java:338)
>
>
at
org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletD
ispatcherResult.java:154)
> at
> org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResult
Support.java:186)
>
>
at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultAct
ionInvocation.java:362)
> at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionIn
vocation.java:266)
>
>  
>
> On checking the Tomcat work directory we discovered that the
> corresponding .java and .class files were of zero byte size. In
> other words these files were empty. This was the main reason why
> Tomcat gave truncated class error. Corresponding to this we also
> checked the disk utilization but it was at 54% only. So any
> possibility for disk space are ruled out.

Filesystem quota?

> Also that the same jsp had not been modified and was running
> properly initially. so after reboot of tomcat what happen? why the
> jsp.java and jsp.class size is generated of 0 bytes.
>
> So my question is that what might have caused tomcat to generate
> empty *_jsp.java files in its work directory?
>
> Hope tomcat team will help us to finding root cause.

Look at the timestamps on the zero-byte files, then find that same
place in catalina.out or one of the other Tomcat-specific log files.
See if there's anything in those log files that gives a reason for the
failure to compile your JSPs.

- -chris
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Tomcat 7.0.54 gives zero-byte .java and .class files for jsp in work directory that cause truncated class error

[Rahul Singh]

Hi tomcat team,
Thanks for your continued support and help.

I am facing the a peculiar problem in Tomcat 7.0.54.

Configurations:
OS: RHEL
Tomcat:7.0.54
Java:1.7.79


A jsp that was running properly gave the following exception after graceful 
tomcat restart


javax.servlet.ServletException: java.lang.ClassFormatError: Truncated class file
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
at 
org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:154)
at 
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
at 
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:362)
at 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266)



On checking the Tomcat work directory we discovered that the corresponding 
.java and .class files were of zero byte size.
In other words these files were empty. This was the main reason why Tomcat gave 
truncated class error.
Corresponding to this we also checked the disk utilization but it was at 54% 
only. So any possibility for disk space
are ruled out.
Also that the same jsp had not been modified and was running properly 
initially. so after reboot of tomcat
what happen? why the jsp.java and jsp.class size is generated of 0 bytes.

So my question is that what might have caused tomcat to generate empty 
*_jsp.java files in its work directory?

Hope tomcat team will help us to finding root cause.

Regards,
Rahul Kumar singh

Http POST request is getting tempered in Tomcat7

[Rahul Singh]

Hello Tomcat Team,

Thanks for your always support !!

We have a Struts 2 application with Tomcat 7 that runs on a proxy network. In 
one partcular case while browsing the application
it was observed that simply navigating one particular screen multiple times 
raised a NoSuchMethodException exception once.

This was observed in IE-10 browser running on Windows 8. It was occuring on a 
single system only and could not be reproduced on other systems..

The request as obatined in Tomcat catalina logs is as follows:
192.168.103.105 - - [14/Jul/2016:15:41:54 +] "POST 
/application/framework/SessionAction.action HTTP/1.1" 200 105
192.168.103.105 - - [14/Jul/2016:15:41:54 +] "POST 
/application/framework/SessionAction.action HTTP/1.1" 200 105
192.168.103.105 - - [14/Jul/2016:15:41:55 +] "CHEDFLAG=TRUEPOST 
/application/framework/SessionAction.action HTTP/1.1" 200 58209

Also when used Internet Explorer to debug the request we get the following 
details for the problem scenario:

Request Headers
Key Value
Request POST http://192.168.133.120/Myapp/application/rpc_SessionAction.action 
HTTP/1.1
Referer http://192.168.133.120:8585/application/
Content-Type application/x-www-form-urlencoded
X-Requested-With XMLHttpRequest
Accept application/json, text/javascript, /
Accept-Language en-IN,en;q=0.8,ja;q=0.6,zh-Hans-CN;q=0.4,zh-Hans;q=0.2
Accept-Encoding gzip, deflate
User-Agent Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; 
Trident/6.0)
Host 192.168.133.120:8585
Content-Length 26
DNT 1
Proxy-Connection Keep-Alive
Pragma no-cache
Cookie JSESSIONID=7FE4DE04F3558B46B7D8252645ABFB5A; 
JSESSIONID=D4FD5A0D120AD35414A4E16C406DD06F


Request Body
method=fetch=tmpVal

Response Headers
Key Value
Response HTTP/1.0 200 OK
Server Apache-Coyote/1.1
Content-Type text/html;charset=utf-8
Date Thu, 14 Jul 2016 15:41:55 GMT
X-Cache MISS from gateway1
X-Cache-Lookup MISS from gateway1
Via 1.0 gateway1



This request in the Struts filter gives null entry set. Why does the POST 
request get changed in this case and also entry set bencomes null?


Regards,

Rahul Kumar Singh

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Apart from below information, one additional information.

We have used the jQuery form plugin js in our project. This handles the form 
and request submit. The code is as attached here.





From: Rahul Singh <rksing...@hotmail.com>
Sent: Tuesday, January 19, 2016 11:30 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

Hi Christopher ,


>>So... what makes you sure that the browser actually made the request?
>>I'd like to see some kind of confirmation using a tool you didn't
>>write. Perhaps something like Firebug, LiveHttpHeaders, Fiddler, or
>>even Wireshark showing that the request was made, what headers it had,
>>etc.

OK,
We have used HTTP Analayzer for file upload via Internet Explorer-8. Following 
are the scenario observed.

For lesser than 2gb file uploads : The request header shows the correct 
content-length value of the file.The uploads works fine further also.

For more than 2gb file uploads: The file length is 2151533567 bytes(which is 
roughly 2.15 Gb).  The request is aborted in this case and the request header 
shows the content length
as -214343325 bytes (which is rougly 214 Mb).The upload process does not 
proceed further in this case.

both cases request headers are attached in screenshot.

From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Monday, January 18, 2016 11:17 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Rahul,

On 1/17/16 11:28 PM, Rahul Singh wrote:
> Code flow is attached, forgot to attach in trailing mail.
>
> ------
- --
>
>
*From:* Rahul Singh <rksing...@hotmail.com>
> *Sent:* Monday, January 18, 2016 8:39 AM *To:* Tomcat Users List
> *Subject:* Re: File size >= 2GB not uploaded in application
> [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]
>
> Hello Christopher, thanks for your prompt response !!
>
>> Why didn't you come to the Tomcat community first?
> Sorry for the delay, we wanted to make sure about the component
> causing the problem.
>
>
>>> I don't have a test-case in front of me, but I'm fairly
>>> confident that Tomcat allows file uploads of greater than 2GiB.
>>> I suspect the problem
> is another component.
>>> Are you using Servlet 3.0-based file upload, or are you
>>> allowing Struts to handle the file-upload for you? If you use
>>> Servlet-3.0 file-upload, then you'll have code that deals with
>>> Multipart classes and configuration in web.xml. If you are
>>> using Struts's file-upload, then you'll mostly just be calling
>>> getFile or getInputStream or however Struts 2 does things (I
>>> can't remember how it all works off the top of my head).
>
>
> In our case the filter class implements the javax.servlet.flter
> and imports javax.servlet.* The Filter class mentioned in the
> previous threads is the first one as declared in the web.xml
> (followed by other struts filters). All (url) requests are mapped
> to this filter. So this is where our file upload request goes. It
> is only in greater than 2 gb file upload request that the
> dofilter() fails to get any request. So we feel servlet 3.0 being
> used in our case the Filter is not being able to handle greater
> than 2 gb requests.
>
>
>>> The point is, if you are using Struts, then Tomcat will not
>>> touch the request and Struts is handling the whole thing. If
>>> Struts is the problem, you'll need to talk to the Struts
>>> team[1].
>
>>> If you are using Servlet-3.0 file-upload, then Struts is just a
>>> red herring and this is the right place to get your issue
>>> solved.
>
> As mentioned above Servlet 3.0 is being used. So request the
> tomcat community to please look into our issue.
>
>>> So far, you have posted some configuration for Struts and some
>>> JSP tablib-filled code, plus some Java code for a Filter. You
>>> didn't say where the Filter was in the filter chain (before or
>>> after Struts filter). You also mentioned that the form is
>>> actually posted using XMLHttpRequest and not through a standard
>>> form, but you didn't explain what component is doing that or
>>> how it actually works.
>
>>> There isn't enough information here to make any sense of the
>>> situation. Can you please address all of the questions I've
>>> posed above and maybe we can then help you?
>
>
> <<>>

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hi Christopher ,


>>So... what makes you sure that the browser actually made the request?
>>I'd like to see some kind of confirmation using a tool you didn't
>>write. Perhaps something like Firebug, LiveHttpHeaders, Fiddler, or
>>even Wireshark showing that the request was made, what headers it had,
>>etc.

OK,
We have used HTTP Analayzer for file upload via Internet Explorer-8. Following 
are the scenario observed.

For lesser than 2gb file uploads : The request header shows the correct 
content-length value of the file.The uploads works fine further also.

For more than 2gb file uploads: The file length is 2151533567 bytes(which is 
roughly 2.15 Gb).  The request is aborted in this case and the request header 
shows the content length 
as -214343325 bytes (which is rougly 214 Mb).The upload process does not 
proceed further in this case.

both cases request headers are attached in screenshot.

From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Monday, January 18, 2016 11:17 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Rahul,

On 1/17/16 11:28 PM, Rahul Singh wrote:
> Code flow is attached, forgot to attach in trailing mail.
>
> --
- --
>
>
*From:* Rahul Singh <rksing...@hotmail.com>
> *Sent:* Monday, January 18, 2016 8:39 AM *To:* Tomcat Users List
> *Subject:* Re: File size >= 2GB not uploaded in application
> [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]
>
> Hello Christopher, thanks for your prompt response !!
>
>> Why didn't you come to the Tomcat community first?
> Sorry for the delay, we wanted to make sure about the component
> causing the problem.
>
>
>>> I don't have a test-case in front of me, but I'm fairly
>>> confident that Tomcat allows file uploads of greater than 2GiB.
>>> I suspect the problem
> is another component.
>>> Are you using Servlet 3.0-based file upload, or are you
>>> allowing Struts to handle the file-upload for you? If you use
>>> Servlet-3.0 file-upload, then you'll have code that deals with
>>> Multipart classes and configuration in web.xml. If you are
>>> using Struts's file-upload, then you'll mostly just be calling
>>> getFile or getInputStream or however Struts 2 does things (I
>>> can't remember how it all works off the top of my head).
>
>
> In our case the filter class implements the javax.servlet.flter
> and imports javax.servlet.* The Filter class mentioned in the
> previous threads is the first one as declared in the web.xml
> (followed by other struts filters). All (url) requests are mapped
> to this filter. So this is where our file upload request goes. It
> is only in greater than 2 gb file upload request that the
> dofilter() fails to get any request. So we feel servlet 3.0 being
> used in our case the Filter is not being able to handle greater
> than 2 gb requests.
>
>
>>> The point is, if you are using Struts, then Tomcat will not
>>> touch the request and Struts is handling the whole thing. If
>>> Struts is the problem, you'll need to talk to the Struts
>>> team[1].
>
>>> If you are using Servlet-3.0 file-upload, then Struts is just a
>>> red herring and this is the right place to get your issue
>>> solved.
>
> As mentioned above Servlet 3.0 is being used. So request the
> tomcat community to please look into our issue.
>
>>> So far, you have posted some configuration for Struts and some
>>> JSP tablib-filled code, plus some Java code for a Filter. You
>>> didn't say where the Filter was in the filter chain (before or
>>> after Struts filter). You also mentioned that the form is
>>> actually posted using XMLHttpRequest and not through a standard
>>> form, but you didn't explain what component is doing that or
>>> how it actually works.
>
>>> There isn't enough information here to make any sense of the
>>> situation. Can you please address all of the questions I've
>>> posed above and maybe we can then help you?
>
>
> <<>>> We need to model the following code to be told:
> jsp submit of the form How the .js submit it further in
> XmlHttpRequest How the Filter is declared How the web.xml is
> declared
>
>
>> Are you sure the request is even made to the server in these
>> cases?What if the Javascript upload component is failing before
>> it even starts?
>
> Yes the request is made in these cases. We have compared the
> scenari

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Code flow is attached, forgot to attach in trailing mail.



From: Rahul Singh <rksing...@hotmail.com>
Sent: Monday, January 18, 2016 8:39 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

Hello Christopher,
thanks for your prompt response !!

> Why didn't you come to the Tomcat community first?
Sorry for the delay, we wanted to make sure about the component causing the 
problem.


>>I don't have a test-case in front of me, but I'm fairly confident that
>>Tomcat allows file uploads of greater than 2GiB. I suspect the problem
is another component.
>>Are you using Servlet 3.0-based file upload, or are you allowing
>>Struts to handle the file-upload for you? If you use Servlet-3.0
>>file-upload, then you'll have code that deals with Multipart classes
>>and configuration in web.xml. If you are using Struts's file-upload,
>>then you'll mostly just be calling getFile or getInputStream or
>>however Struts 2 does things (I can't remember how it all works off
>>the top of my head).


In our case the filter class implements the javax.servlet.flter and imports 
javax.servlet.*
The Filter class mentioned in the previous threads is the first one as declared 
in the web.xml (followed by other struts filters).
 All (url) requests are mapped to this filter. So this is where our file upload 
request goes. It is only in greater than 2 gb file upload request that the 
dofilter() fails to get any request.
So we feel servlet 3.0 being used in our case the Filter is not being able to 
handle greater than 2 gb requests.


>>The point is, if you are using Struts, then Tomcat will not touch the
>>request and Struts is handling the whole thing. If Struts is the
>>problem, you'll need to talk to the Struts team[1].

>>If you are using Servlet-3.0 file-upload, then Struts is just a red
>>herring and this is the right place to get your issue solved.

As mentioned above Servlet 3.0 is being used. So request the tomcat community 
to please look into our issue.

>>So far, you have posted some configuration for Struts and some JSP
>>tablib-filled code, plus some Java code for a Filter. You didn't say
>>where the Filter was in the filter chain (before or after Struts
>>filter). You also mentioned that the form is actually posted using
>>XMLHttpRequest and not through a standard form, but you didn't explain
>>what component is doing that or how it actually works.

>>There isn't enough information here to make any sense of the
>>situation. Can you please address all of the questions I've posed
>>above and maybe we can then help you?


<<>>> We need to model the following code to be told:
 jsp submit of the form
How the .js submit it further in XmlHttpRequest
How the Filter is declared
How the web.xml is declared


>Are you sure the request is even made to the server in these cases?What if the 
>Javascript upload component is failing before it even starts?

Yes the request is made in these cases. We have compared the scenario for 
greater than 2gb and lesser size file uploads and drawn the following inference 
from it.We have checked the request and content length for dofilter() method in 
our logs. The JavaScript is not the culprit in this case. The JavaScript sets 
the AJAX field to success after sending request and thereafter waits for 
response(which is not received in our case). Our application works fine for 
lesser than 2 gb fie uploads but fails for greater size files as the request 
fails to reach the dofilter() method after which the request can be forwarded 
to the requested method.



Regards,
Rahul


From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Saturday, January 16, 2016 9:33 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Rahul,

On 1/15/16 1:02 AM, Rahul Singh wrote:
> Thanks for your guidelines, we have big hope from Apache Tomcat
> Team to solve this problem as this is show stopper for our
> application, we have also raise this question on various forum like
> stack overflow and other, but no relevant reply till now.

Why didn't you come to the Tomcat community first?

> Hope you understand my situation,
>
> please refer the below stackoverflow reference for more detail
> about this issue.
>
> http://stackoverflow.com/questions/34783438/dofilter-fails-to-get-any-
[http://cdn.sstatic.net/stackoverflow/img/apple-touch-i...@2.png?v=73d79a89bded]<http://stackoverflow.com/questions/34783438/dofilter-fails-to-get-any->

doFilter() fails to get any request for the file upload > 
2gb<http://stacko

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hello Christopher,
thanks for your prompt response !!

> Why didn't you come to the Tomcat community first?
Sorry for the delay, we wanted to make sure about the component causing the 
problem.


>>I don't have a test-case in front of me, but I'm fairly confident that
>>Tomcat allows file uploads of greater than 2GiB. I suspect the problem
is another component.
>>Are you using Servlet 3.0-based file upload, or are you allowing
>>Struts to handle the file-upload for you? If you use Servlet-3.0
>>file-upload, then you'll have code that deals with Multipart classes
>>and configuration in web.xml. If you are using Struts's file-upload,
>>then you'll mostly just be calling getFile or getInputStream or
>>however Struts 2 does things (I can't remember how it all works off
>>the top of my head).


In our case the filter class implements the javax.servlet.flter and imports 
javax.servlet.* 
The Filter class mentioned in the previous threads is the first one as declared 
in the web.xml (followed by other struts filters).
 All (url) requests are mapped to this filter. So this is where our file upload 
request goes. It is only in greater than 2 gb file upload request that the 
dofilter() fails to get any request.
So we feel servlet 3.0 being used in our case the Filter is not being able to 
handle greater than 2 gb requests.


>>The point is, if you are using Struts, then Tomcat will not touch the
>>request and Struts is handling the whole thing. If Struts is the
>>problem, you'll need to talk to the Struts team[1].

>>If you are using Servlet-3.0 file-upload, then Struts is just a red
>>herring and this is the right place to get your issue solved.

As mentioned above Servlet 3.0 is being used. So request the tomcat community 
to please look into our issue.

>>So far, you have posted some configuration for Struts and some JSP
>>tablib-filled code, plus some Java code for a Filter. You didn't say
>>where the Filter was in the filter chain (before or after Struts
>>filter). You also mentioned that the form is actually posted using
>>XMLHttpRequest and not through a standard form, but you didn't explain
>>what component is doing that or how it actually works.

>>There isn't enough information here to make any sense of the
>>situation. Can you please address all of the questions I've posed
>>above and maybe we can then help you?


<<>>> We need to model the following code to be told: 
 jsp submit of the form
How the .js submit it further in XmlHttpRequest
How the Filter is declared 
How the web.xml is declared


>Are you sure the request is even made to the server in these cases?What if the 
>Javascript upload component is failing before it even starts?

Yes the request is made in these cases. We have compared the scenario for 
greater than 2gb and lesser size file uploads and drawn the following inference 
from it.We have checked the request and content length for dofilter() method in 
our logs. The JavaScript is not the culprit in this case. The JavaScript sets 
the AJAX field to success after sending request and thereafter waits for 
response(which is not received in our case). Our application works fine for 
lesser than 2 gb fie uploads but fails for greater size files as the request 
fails to reach the dofilter() method after which the request can be forwarded 
to the requested method.



Regards,
Rahul 


From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Saturday, January 16, 2016 9:33 AM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Rahul,

On 1/15/16 1:02 AM, Rahul Singh wrote:
> Thanks for your guidelines, we have big hope from Apache Tomcat
> Team to solve this problem as this is show stopper for our
> application, we have also raise this question on various forum like
> stack overflow and other, but no relevant reply till now.

Why didn't you come to the Tomcat community first?

> Hope you understand my situation,
>
> please refer the below stackoverflow reference for more detail
> about this issue.
>
> http://stackoverflow.com/questions/34783438/dofilter-fails-to-get-any-
request-for-the-file-upload-2gb?noredirect=1#comment57315528_34783438
>
>
>
for more information:
>
> -No error are printed in tomcat logs. - how to configure "call
> HttpServletRequest.getHeader("Content-Length") as a String and
> parse it yourself."

I don't have a test-case in front of my, but I'm fairly confident that
Tomcat allows file uploads of greater than 2GiB. I suspect the problem
is another component.

Are you using Servlet 3.0-based file upload, or are you allowing
Struts to handle the file-upload for you?

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hello Christopher ,
Thanks for your input,



>ServletRequest.getContentLength is declared to return an int value (32-bit):

>* Integer.MAX_VALUE  = 2^31 - 1 = 2147483647
>* 2GiB = 2 * 1024 * 1024 * 1024 = 2147483648
>* 2147483648 > 2147483647

>Therefore, request.getContentLength cannot be used to fetch
>content-lengths over 2GiB - 1byte.

Yes above is already investigated, BTW thanks .

 You have to use
>ServletRequest.getContentLengthLong (new in servlet 3.1)

for this we have to upgrade tomcat 8, currently we are using tomcat 7.0.54.

> or call
>HttpServletRequest.getHeader("Content-Length") as a String and parse it
>yourself.

OK, but where we need to do this, in init() method or in doFilter() method, but 
FYI, the request(upload file >2GB) is not reached to doFilter().


Apart from above thread we want to share more information so that tomcat team 
help us to get out from this issue.

For my struts project the doFilter() fails to get any request from the file 
upload form in cases the size of the file is greater than 2gb. 
Below is the code fragment:

Filter is as follows:

public void doFilter(ServletRequest req, ServletResponse res, FilterChain 
chain) throws IOException, ServletException
{   
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
HttpSession session = request.getSession(false);
request.setCharacterEncoding("UTF-8");

/*
do the other business work example request response monitoring and 
logging
*/

 chain.doFilter(request, response);  

}

jsp is :



For my jsp the form is submitted as a XMLHttpRequest via the underlying 
javascipt. 
Now when I upload a a file (lesser than 2gb) ,in my dofilter() method I have 
checked the uri and request length for the request.
They are as expected via the action called in the jsp form and the file size.
The file upload works fine in this case. But in case where the file size is 
greater than 2gb ,
in my doFilter() method no request is available for the file upload action 
called by the form submit(for file size greater than 2 gb). 
Thus the upload does not proceed further in such cases.

I am using servlet 3.0. 
What do I need to do to support larger than 2 gb file uploads, so that the 
request reaches the doFilter() method?




From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Wednesday, January 13, 2016 8:11 PM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

Rahul,

On 1/12/16 10:56 PM, Rahul Singh wrote:
> Hi,
>
>> Define "Not successful"?  Exceptions thrown?  File truncated?  Upload
>> never starts?  Never finishes?
>
> Not successful :
>
> Request Never finishes, we have trace the HttpServlet request object
> and request.getContentLength return 0 in case when file size is >=2GB,
>
> No exception thrown, as well as when file size is less than 2GB, then
> request.getContentLength return the correct value of file size in
> byte.

ServletRequest.getContentLength is declared to return an int value (32-bit):

* Integer.MAX_VALUE  = 2^31 - 1 = 2147483647
* 2GiB = 2 * 1024 * 1024 * 1024 = 2147483648
* 2147483648 > 2147483647

Therefore, request.getContentLength cannot be used to fetch
content-lengths over 2GiB - 1byte. You have to use
ServletRequest.getContentLengthLong (new in servlet 3.1) or call
HttpServletRequest.getHeader("Content-Length") as a String and parse it
yourself.

-chris

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Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Dear Christopher,

Thanks for your guidelines, we have big hope from Apache Tomcat Team to solve 
this problem as this is show stopper for our application, we have also raise 
this question on various forum like stack overflow and other,but no relevant 
reply till now.

Hope you understand my situation,

please refer the below stackoverflow reference for more detail about this 
issue. 

http://stackoverflow.com/questions/34783438/dofilter-fails-to-get-any-request-for-the-file-upload-2gb?noredirect=1#comment57315528_34783438


for more information:

 -No error are printed in tomcat logs.
- how to configure "call HttpServletRequest.getHeader("Content-Length") as a 
String and parse it yourself."







From: Christopher Schultz 
Sent: Thursday, January 14, 2016 8:43 PM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

André,

On 1/14/16 5:02 AM, André Warnier (tomcat) wrote:
> I have not followed this thread in details, but did you check this :
>
> http://tomcat.apache.org/tomcat-7.0-doc/config/http.html#Common_Attributes
> --> maxPostSize

+1

> The maximum size in bytes of the POST which will be handled by the
> container FORM URL parameter parsing. The limit can be disabled by
> setting this attribute to a value less than zero. If not specified, this
> attribute is set to 2097152 (2 megabytes). Note that the
> FailedRequestFilter can be used to reject requests that exceed this limit.
>
> Note: the size above might relate to the *encoded* size of the file, as
> it is transmitted over the WWW (possibly encoded as Base64 e.g.), which
> may mean that an original 1 MB file translates to more than 1 MB bytes
> while being uploaded.
>
> Note also : maybe "Struts" is setting this to some other default value..
>
> Another question : did you check the Tomcat logs ?

IIRC, Tomcat doesn't log anything in these cases. You have to use the
FailedRequestFilter to detect and report the condition. I wouldn't use
that Filter in productio, but it would be good as a simple test to see
if this is the error that is occurring.

When Tomcat refuses to allow a file upload that it too large, it simply
does not parse the parameters, but the request continues to process as
usual (but the servlet doesn't end up getting any of the parameters).
I'm surprised that Struts isn't getting the request in these cases.

-chris

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Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hi André Warnier,

its 64 bit (OS and JVM)


From: André Warnier (tomcat) <a...@ice-sa.com>
Sent: Wednesday, January 13, 2016 2:17 PM
To: users@tomcat.apache.org
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

maybe a stupid question nowadays, but : is the platform on which you are 
running this
32-bit, or 64-bit ? (OS and JVM)

On 13.01.2016 04:56, Rahul Singh wrote:
> Hi,
>
>> Define "Not successful"?  Exceptions thrown?  File truncated?  Upload
>> never starts?  Never finishes?
>
> Not successful :
>
> Request Never finishes, we have trace the HttpServlet request object and 
> request.getContentLength return 0 in case when file size is >=2GB,
>
> No exception thrown, as well as when file size is less than 2GB, then 
> request.getContentLength return the correct value of file size in byte.
>
>
> Regards,
> Rahul Kumar Singh
> 
> From: David kerber <dcker...@verizon.net>
> Sent: Tuesday, January 12, 2016 6:07 PM
> To: Tomcat Users List
> Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
> Struts: 2.3.24 JAVA: openJDK 1.7.79]
>
> On 1/12/2016 12:01 AM, Rahul Singh wrote:
>>
>> Hello Apache Tomcat team,
>>
>> Sending again with some corrections,
>>
>> File upload in my  application(Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 
>> 1.7.79) is not successful for greater than 2 gb. After previous discussion 
>> here on previous thread, I migrated my application to struts 2.3.24 as the 
>> only possible solution in form of jakarta-stream parser for large size 
>> uploads (greater than 2gb).
>> But after successfully migrating to struts 2.3.24 from 2.1.8, file upload 
>> greater than 2 gb still not supported. I want to use jakarta-streams for 
>> this purpose.Following is the code
>> snippet:
>>
>>
>> In struts.xml:
>> 
>>
>> 
>> 
>>
>> In JSP:
>> ===
>>
>> > namespace="xyz"   validateFields="false" method="post"
>> enctype="multipart/form-data">
>>
>>
>> Alongwith with configuring server.xml with maxPostSize element and 
>> mutipart-config in web.xml But still the file upload request for greater 
>> than 2 gb not successful.
>
> Define "Not successful"?  Exceptions thrown?  File truncated?  Upload
> never starts?  Never finishes?
>
>
> -
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>
> -
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>


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Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hi,

>Define "Not successful"?  Exceptions thrown?  File truncated?  Upload
>never starts?  Never finishes?

Not successful :

Request Never finishes, we have trace the HttpServlet request object and 
request.getContentLength return 0 in case when file size is >=2GB,

No exception thrown, as well as when file size is less than 2GB, then 
request.getContentLength return the correct value of file size in byte.


Regards,
Rahul Kumar Singh

From: David kerber <dcker...@verizon.net>
Sent: Tuesday, January 12, 2016 6:07 PM
To: Tomcat Users List
Subject: Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 
Struts: 2.3.24 JAVA: openJDK 1.7.79]

On 1/12/2016 12:01 AM, Rahul Singh wrote:
>
> Hello Apache Tomcat team,
>
> Sending again with some corrections,
>
> File upload in my  application(Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 
> 1.7.79) is not successful for greater than 2 gb. After previous discussion 
> here on previous thread, I migrated my application to struts 2.3.24 as the 
> only possible solution in form of jakarta-stream parser for large size 
> uploads (greater than 2gb).
> But after successfully migrating to struts 2.3.24 from 2.1.8, file upload 
> greater than 2 gb still not supported. I want to use jakarta-streams for this 
> purpose.Following is the code
> snippet:
>
>
> In struts.xml:
> 
>
> 
> 
>
> In JSP:
> ===
>
>  namespace="xyz"   validateFields="false" method="post"
> enctype="multipart/form-data">
>
>
> Alongwith with configuring server.xml with maxPostSize element and 
> mutipart-config in web.xml But still the file upload request for greater than 
> 2 gb not successful.

Define "Not successful"?  Exceptions thrown?  File truncated?  Upload
never starts?  Never finishes?


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File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hello Apache Tomcat team,


File upload in my  application(Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 
1.7.79) is not successful for greater than 2 gb. After previous
discussion here on previous thread, I migrated my application to struts 2.3.24 
as the only
possible solution in form of jakarta-stream parser for large size uploads 
(greater than 2gb).
But after successfully migrating to struts 2.3.24 from 2.1.8, file upload 
greater than 2 gb
still not supported. I want to use jakarta-streams for this purpose.Following 
is the code
snippet:
In struts.xml:constant name="struts.multipart.parser" 
value="jakarta-stream" /constant
name="struts.multipart.maxSize" value="3147483648" /
jsp file:s:form id="uploadData" action="abc_UploadAction" namespace="xyz" 
validateFields="false"
method="post" enctype="multipart/form-data"

Alongwith with configuring server.xml with maxPostSize element and 
mutipart-config in web.xml
But still the file upload request for greater than 2 gb not successful.


Thanks
Rahul

Re: File size >= 2GB not uploaded in application [Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 1.7.79]

[Rahul Singh]

Hello Apache Tomcat team,

Sending again with some corrections,

File upload in my  application(Tomcat 7.0.54 Struts: 2.3.24 JAVA: openJDK 
1.7.79) is not successful for greater than 2 gb. After previous discussion here 
on previous thread, I migrated my application to struts 2.3.24 as the only 
possible solution in form of jakarta-stream parser for large size uploads 
(greater than 2gb).
But after successfully migrating to struts 2.3.24 from 2.1.8, file upload 
greater than 2 gb still not supported. I want to use jakarta-streams for this 
purpose.Following is the code
snippet:


In struts.xml:





In JSP:
===




Alongwith with configuring server.xml with maxPostSize element and 
mutipart-config in web.xml But still the file upload request for greater than 2 
gb not successful.


Thanks
Rahul


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RE: logjam attacks in tomcat 7

[Rahul Singh]

Ok Thanks for your quick response.Could you please tell me the size of cipher 
key mentioned below is it stronger than 
1024?ciphers="TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_RC4_128_SHA,TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA256,TLS_RSA_WITH_AES_256_CBC_SHA,SSL_RSA_WITH_RC4_128_SHA"
> Subject: Re: logjam attacks in tomcat 7
> To: users@tomcat.apache.org
> From: ma...@apache.org
> Date: Thu, 1 Oct 2015 08:59:31 +0200
> 
> On 01/10/2015 07:08, Rahul Singh wrote:
> > Yes i know this fix,
> > i just want to know, waht is deafult cipher deatil, in my existing 
> > server.xml no cipher parameter value is mentioned.So please help me to 
> > understand the same.
> 
> To quote the documentation:
> 
> 
> By default, the default ciphers for the JVM will be used. Note that this
> usually means that the weak export grade ciphers will be included in the
> list of available ciphers.
> 
> 
> If you want to know what that means for the JVM you are using then I
> strongly recommend this site:
> 
> https://www.ssllabs.com/ssltest/
> 
> Mark
> 
> 
> > 
> > 
> > 
> > 
> >> Date: Thu, 1 Oct 2015 10:26:43 +0530
> >> Subject: Re: logjam attacks in tomcat 7
> >> From: srikanth.hu...@gmail.com
> >> To: users@tomcat.apache.org
> >>
> >> Configuration like mentioned below should be able to resolve your issue:
> >>
> >>  >> protocol="org.apache.coyote.http11.Http11Protocol" SSLEnabled="true"
> >>maxThreads="150" scheme="https" secure="true"
> >>keystoreType="JKS" keystoreFile="{{path_to_keystore}}"
> >> keystorePass="{{ keystore_password }}"
> >>clientAuth="false" sslEnabledProtocols="TLSv1, TLSv1.1,
> >> TLSv1.2"
> >>  
> >> ciphers="TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
> >>  
> >> TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_RC4_128_SHA,
> >>  
> >> TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA256,
> >>  TLS_RSA_WITH_AES_256_CBC_SHA,SSL_RSA_WITH_RC4_128_SHA" />
> >>
> >> Srikanth Hugar
> >> www.gharki.com
> >>
> >>
> >>
> >> On Thu, Oct 1, 2015 at 10:22 AM, Rahul Singh <rksing...@hotmail.com> wrote:
> >>
> >>> Dear Tomcat Support Team,Thanks for your continuous support.
> >>> In our Application Tomcat V 7.0.54 is used. We are facing the problem of
> >>> "Server has a weak, ephemeral Diffie-Hellman public key
> >>> ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY"
> >>> In chrome browser.
> >>> Tomcat server .xml have following configuration, which does not contain
> >>> chipher, it means it used default cipher.
> >>>  >>> port="8585" minSpareThreads="5"enableLookups="true"
> >>> redirectPort="8282"acceptCount="32"
> >>> connectionTimeout="6"/>  >>> SSLEnabled="true"enableLookups="true"
> >>>   acceptCount="32"  scheme="https" secure="true"
> >>> clientAuth="false" sslEnabledProtocols="TLSv1.2"
> >>>  
> >>> algorithm="SunX509"/>
> >>> Underline JAVA is : OpenJDK Runtime Environment (rhel-2.5.5.3.el6-x86_64
> >>> u79-b14)
> >>> So could ypu please assist me to understand the following things.
> >>> 1- What value of default cipher is using in My application.2- Does it
> >>> require to update for working with lates Browser chrome and fixing the
> >>> "Diffie-Hellman" security issue.
> >>> Regards,Rahul kumar Singh
> >   
> > 
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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> 
  

logjam attacks in tomcat 7

[Rahul Singh]

Dear Tomcat Support Team,Thanks for your continuous support.
In our Application Tomcat V 7.0.54 is used. We are facing the problem of 
"Server has a weak, ephemeral Diffie-Hellman public key 
ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY"
In chrome browser.
Tomcat server .xml have following configuration, which does not contain 
chipher, it means it used default cipher.
 
Underline JAVA is : OpenJDK Runtime Environment (rhel-2.5.5.3.el6-x86_64 
u79-b14)
So could ypu please assist me to understand the following things.
1- What value of default cipher is using in My application.2- Does it require 
to update for working with lates Browser chrome and fixing the "Diffie-Hellman" 
security issue.
Regards,Rahul kumar Singh 

RE: logjam attacks in tomcat 7

[Rahul Singh]

Yes i know this fix,
i just want to know, waht is deafult cipher deatil, in my existing server.xml 
no cipher parameter value is mentioned.So please help me to understand the same.




> Date: Thu, 1 Oct 2015 10:26:43 +0530
> Subject: Re: logjam attacks in tomcat 7
> From: srikanth.hu...@gmail.com
> To: users@tomcat.apache.org
> 
> Configuration like mentioned below should be able to resolve your issue:
> 
>  protocol="org.apache.coyote.http11.Http11Protocol" SSLEnabled="true"
>maxThreads="150" scheme="https" secure="true"
>keystoreType="JKS" keystoreFile="{{path_to_keystore}}"
> keystorePass="{{ keystore_password }}"
>clientAuth="false" sslEnabledProtocols="TLSv1, TLSv1.1,
> TLSv1.2"
>  
> ciphers="TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
>  
> TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_RC4_128_SHA,
>  
> TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA256,
>  TLS_RSA_WITH_AES_256_CBC_SHA,SSL_RSA_WITH_RC4_128_SHA" />
> 
> Srikanth Hugar
> www.gharki.com
> 
> 
> 
> On Thu, Oct 1, 2015 at 10:22 AM, Rahul Singh <rksing...@hotmail.com> wrote:
> 
> > Dear Tomcat Support Team,Thanks for your continuous support.
> > In our Application Tomcat V 7.0.54 is used. We are facing the problem of
> > "Server has a weak, ephemeral Diffie-Hellman public key
> > ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY"
> > In chrome browser.
> > Tomcat server .xml have following configuration, which does not contain
> > chipher, it means it used default cipher.
> >  > port="8585" minSpareThreads="5"enableLookups="true"
> > redirectPort="8282"acceptCount="32"
> > connectionTimeout="6"/>  > SSLEnabled="true"enableLookups="true"
> >   acceptCount="32"  scheme="https" secure="true"
> > clientAuth="false" sslEnabledProtocols="TLSv1.2"
> >  
> > algorithm="SunX509"/>
> > Underline JAVA is : OpenJDK Runtime Environment (rhel-2.5.5.3.el6-x86_64
> > u79-b14)
> > So could ypu please assist me to understand the following things.
> > 1- What value of default cipher is using in My application.2- Does it
> > require to update for working with lates Browser chrome and fixing the
> > "Diffie-Hellman" security issue.
> > Regards,Rahul kumar Singh
  

log4j:ERROR setFile(null,true) call failed.

[Rahul Singh]

Dear Tomcat team,thanks for your continuous support.
please assist us to find the root cause of the below problem.
during the start of tomcat server, the below error occurred. 

Jul 30, 2015 6:57:38 AM org.apache.coyote.AbstractProtocol initINFO: 
Initializing ProtocolHandler [http-bio-8585]Jul 30, 2015 6:57:38 AM 
org.apache.coyote.AbstractProtocol initINFO: Initializing ProtocolHandler 
[http-bio-8282]Jul 30, 2015 6:57:39 AM org.apache.catalina.startup.Catalina 
loadINFO: Initialization processed in 1601 msJul 30, 2015 6:57:39 AM 
org.apache.catalina.core.StandardService startInternalINFO: Starting service 
CatalinaJul 30, 2015 6:57:39 AM org.apache.catalina.core.StandardEngine 
startInternalINFO: Starting Servlet Engine: Apache Tomcat Serverlog4j:ERROR 
setFile(null,true) call failed.java.io.FileNotFoundException: 
/var/log/HYDRAstor/hydragui/hydragui.log (Permission denied)at 
java.io.FileOutputStream.open(Native Method)at 
java.io.FileOutputStream.init(FileOutputStream.java:221)at 
java.io.FileOutputStream.init(FileOutputStream.java:142)at 
org.apache.log4j.FileAppender.setFile(FileAppender.java:290)at 
org.apache.log4j.RollingFileAppender.setFile(RollingFileAppender.java:194)  
  at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:164)   
 at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:257)
at 
org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:133)   
 at 
org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:97)
at 
org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:689)
at 
org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:647)
at 
org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:544)
at 
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:440)
at 
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:476)
at 
org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471)
at org.apache.log4j.LogManager.clinit(LogManager.java:125)at 
org.apache.log4j.Logger.getLogger(Logger.java:105)at 
org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:283) 
   at org.apache.commons.logging.impl.Log4JLogger.init(Log4JLogger.java:108)  
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)  
  at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)  
  at 
org.apache.commons.logging.impl.LogFactoryImpl.createLogFromClass(LogFactoryImpl.java:1040)
at 
org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:838)
at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:601)
at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:333)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:664)
at org.apache.commons.digester.Digester.init(Digester.java:303)at 
com.nec.hydragui.model2.biz.framework.menu.MenuFactory.parse(MenuFactory.java:88)
at 
com.nec.hydragui.model2.biz.framework.menu.MenuFactory.init(MenuFactory.java:72)
at 
com.nec.hydragui.utils.HydraServletContextListener.parseMenuConfig(HydraServletContextListener.java:84)
at 
com.nec.hydragui.utils.HydraServletContextListener.contextInitialized(HydraServletContextListener.java:39)
at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4973)
at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
   at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) 
   at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) 
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
   at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
   at java.lang.Thread.run(Thread.java:745)log4j:ERROR setFile(null,true) 
call failed.
  

RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Dear Konstantin,
Sorry for the inconvenience caused due to the below!!
We will take care this in future post.


-Original Message-
From: Konstantin Kolinko [mailto:knst.koli...@gmail.com] 
Sent: Thursday, July 23, 2015 2:09 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

2015-07-23 8:49 GMT+03:00 Rahul Kumar Singh rahul.si...@nectechnologies.in:
 Dear Christopher,

 The solution is fine, but first thing we need to identify the root cause.
 If it is the problem of loading a JSP-based class file. Why it is happened 
 in production environment?
 Any solid reason ?


Who knows?  It is your environment and your file.  It is up to you to perform 
the diagnostics.

(Or hire some 3rd party and to provide them access to your system).


For starters, we do not know what file is broken.

Also you stacktrace does not show the root cause. Where this class loading 
error was detected?  There shall be stacktrace from java.lang.ClassFormatError 
that was wrapped by ServletException.  You only provided 3 lines of stacktrace 
of ServletException.

It may be compiler's fault -- current version is 7.0.63 and it has a newer 
version of compiler, or you are hitting some size limit -- quotas, disk 
partition size, 2Gb limit, etc., or you have broken file / faulty HDD --

Maybe not the class file for a JSP page is broken, but some other class file on 
your system

http://tomcat.apache.org/lists.html#tomcat-users
Rules:
- 6. no top-posting

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RE: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID. | why there is different behaviour in Tomcat 6 and Tomcat 7

[Rahul Kumar Singh]

Dear Christopher,

On further debugging, I found out the difference is seen between 6.0.32 (same 
behavior as in 6.0.28 reported earlier) and 6.0.33 (same as in 7.0.54 reported 
earlier ) I could not figure out which change ( as mentioned in link 
https://tomcat.apache.org/tomcat-6.0-doc/changelog.html  ) has caused this 
difference.

Step to reproduce it?
1.  Untar tomcat versions(Tomcat V6.0.32 and Tomcat V6.0.33)
2.  Enable access log by uncommenting 'AccessLogValve' in conf/server.xml  
as shown below

Valve className=org.apache.catalina.valves.AccessLogValve 
directory=${catalina.base}/logs  
   prefix=localhost_access_log. suffix=.txt pattern=common 
resolveHosts=false/

3.  Deploy a  simple web application (login.jsp) in Tomcat.
// login.jsp in tomcat 
html
   body
%
   String str = request.getRequestURI();
   System.out.println(str);
   out.println(str);
 %
   /body
  /html

4.  Start tomcat
5.  Run client  wget to execute the login.jsp
6.  View access log file entry



-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Tuesday, July 21, 2015 8:47 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID. | why 
there is different behaviour in Tomcat 6 and Tomcat 7

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Rahul,

On 7/21/15 6:38 AM, Rahul Kumar Singh wrote:
 “;jsessionid=C1A67FB90E1300DF14EE027A3634A34B” passed in URL 
 localhost:8080/login.jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B

 
is not received in tomcat 6(V6.0.28). It is received in tomcat
 7(V7.0.54). What is reason for the different  behavior?

I'm not sure why the change in behavior, but when a client requests a protected 
resource, the container has to redirect that client to the login page.

Before the redirect, a session is created to hold the saved-request to the 
originally-requested protected resource. This session id needs to be preserved. 
If the container can't tell if the client supports cookie-based session 
tracking, it must encode the session id in the login URL just in case. You'll 
find that, if you use a browser with cookies enabled, after the login page 
there will be no jsessionid path parameters in your URLs.

Is the presence of the jsessionid path parameter a problem for you?

(And at this point, it's really a good idea to start planning your upgrade path 
to Tomcat 8, which is quite reliable and stable. Tomcat 6 will EOL 2016-12-31: 
http://tomcat.apache.org/tomcat-60-eol.html)

- -chris
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RE: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID. | why there is different behaviour in Tomcat 6 and Tomcat 7

[Rahul Kumar Singh]

Dear Konstantin,

On further debugging, I found out the difference is seen between 6.0.32 (same 
behavior as in 6.0.28 reported earlier) and 6.0.33 (same as in 7.0.54 reported 
earlier ) I could not figure out which change ( as mentioned in link 
https://tomcat.apache.org/tomcat-6.0-doc/changelog.html  ) has caused this 
difference.

Step to reproduce it?
1.  Untar tomcat versions(Tomcat V6.0.32 and Tomcat V6.0.33)
2.  Enable access log by uncommenting 'AccessLogValve' in conf/server.xml  
as shown below

Valve className=org.apache.catalina.valves.AccessLogValve 
directory=${catalina.base}/logs  
   prefix=localhost_access_log. suffix=.txt pattern=common 
resolveHosts=false/

3.  Deploy a  simple web application (login.jsp) in Tomcat.
// login.jsp in tomcat 
html
   body
%
   String str = request.getRequestURI();
   System.out.println(str);
   out.println(str);
 %
   /body
  /html

4.  Start tomcat
5.  Run client  wget to execute the login.jsp
6.  View access log file entry

-Original Message-
From: Konstantin Kolinko [mailto:knst.koli...@gmail.com] 
Sent: Tuesday, July 21, 2015 5:32 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID. | why 
there is different behaviour in Tomcat 6 and Tomcat 7

2015-07-21 14:38 GMT+03:00 Rahul Kumar Singh rahul.si...@nectechnologies.in:
 Hello Tomcat Team,

 “;jsessionid=C1A67FB90E1300DF14EE027A3634A34B” passed in URL  
 localhost:8080/login. jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B
  is not received in tomcat 6(V6.0.28) . It is received in tomcat 7(V7.0.54) . 
  What is reason for the different  behavior?

 I used WGET command to send same request to both version of tomcats.  Access 
 logs (logs/localhost_access_log.txt ) of both tomcat versions show the 
 difference


 WGET REQUEST:
 wget localhost:8080/login. jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B  
 .


 Observations:
 TOMCAT 7.0.54 ACCESS LOGS:
 127.0.0.1 - - [21/Jul/2015:08:30:13 +] GET 
 /login.jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B HTTP/1.0 200 1063


 -Original Message-
 From: Rahul Kumar Singh
 Sent: Tuesday, June 23, 2015 6:17 PM
 To: 'Tomcat Users List'
 Subject: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID.

 Hello Tomcat team,

 In Tomcat7.0.54 We have observe that Login URL is Appended with JSESSIONID 
 parameter in our Web Application
 Example:
 /framework/login.action;jsessionid=098D3C84B56FF2A2A25E88E4F059A20B

 System Configuration (WINDOW7+IE-8)

 Due to this session authentication get failed.



1. Step by step recipe to reproduce your issue  = ?

2. 6.0.28 is old. The current one is 6.0.44

3. http://tomcat.apache.org/security-6.html
CVE-2013-2067 ?

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RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Dear Christopher,

The solution is fine, but first thing we need to identify the root cause.
If it is the problem of loading a JSP-based class file. Why it is happened in 
production environment?
Any solid reason ?

Regads,
Rahul Kumar Singh



-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Wednesday, July 22, 2015 7:21 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Rahul,

On 7/21/15 11:02 PM, Rahul Kumar Singh wrote:
 Dear Christopher,
 Any quotas on the filesystem?
 No.
 Any idea which class it's having trouble loading?
 
 I have no idea on this but I have got the below exception:
 
 ==


 
2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException:
 java.lang.ClassFormatError: Truncated class file at
 org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at 
 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appli
cationFilterChain.java:303)

 
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:208)
 

Well,
 
it looks like you are having a problem loading a JSP-based class file. You 
could write a script to try to load each JSP .class file to see which one is 
broken. Something like this:

$ for class in $(find . -name *.class) ; \
  do \
echo $class \
javap -classpath [classpath] $(sed -e 's/\.class//' ) \
  done

 For more reference there is some logs from Catalina.out after tomcat 
 startup.
 
 Jul 17, 2015 11:58:33 AM
 org.apache.jasper.compiler.TldLocationsCache tldScanJar INFO: At least 
 one JAR was scanned for TLDs yet contained no TLDs. Enable debug 
 logging for this logger for a complete list of JARs that were scanned 
 but no TLDs were found in them. Skipping unneeded JARs during scanning 
 can improve startup time and JSP compilation time.

This is unrelated to your real problem.

- -chris
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RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Do you have sufficient free space on your hard drive?  Maybe your disk is full.
No, Disk Space is enough approx. ~ 96 GB
Did it happen once only, or this is a repeating error?
No it occurs multiple times.


-Original Message-
From: Konstantin Kolinko [mailto:knst.koli...@gmail.com] 
Sent: Tuesday, July 21, 2015 3:50 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

2015-07-21 11:41 GMT+03:00 Rahul Kumar Singh rahul.si...@nectechnologies.in:
 Hello Tomcat team,

 Thanks for your always support !!

 Please do the needful on below problem.

 Web Application credential:
 -
 Servlet used :servelet3.0
 MVC framework: Struts2.0
 Java: Open JDK 1.7
 

 We have observe the below error in production environment. What is the cause 
 of the issue.

 ==
 ==
 2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException: 
 java.lang.ClassFormatError: Truncated class file
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at 
 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
 at 
 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
 lterChain.java:208)

 ==
 ==

 Use case:
 1- Http request Start.
 2- Struts 2.0 filter executed.
 3- FilterChain.dofiletr(httpRequest, httpResponse) [doFilter method] : 
 error occurs here


 More log reference:

 ==
 === at 
 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at 
 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at 
 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
 at 
 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
 at 
 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at 
 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at 
 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at 
 org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
 at 
 org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at 
 org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
 at 
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at 
 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.lang.Thread.run(Thread.java:745)
 Caused by: java.lang.ClassFormatError: Truncated class file
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
 at 
 java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
 at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
 at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

 at 
 org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
 at 
 org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
 at 
 org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:145)
 at 
 org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:172)
 at 
 org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
 at 
 org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
 ... 83 more
 ==
 ===

 Your Help would be highly appreciated.


Do you have sufficient free space on your hard drive?  Maybe your disk is full.

Did it happen once only, or this is a repeating error?

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RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Dear Konstantin,


Do you have sufficient free space on your hard drive?  Maybe your disk is full.

Did it happen once only, or this is a repeating error?
-Original Message-
From: Konstantin Kolinko [mailto:knst.koli...@gmail.com] 
Sent: Tuesday, July 21, 2015 3:50 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

2015-07-21 11:41 GMT+03:00 Rahul Kumar Singh rahul.si...@nectechnologies.in:
 Hello Tomcat team,

 Thanks for your always support !!

 Please do the needful on below problem.

 Web Application credential:
 -
 Servlet used :servelet3.0
 MVC framework: Struts2.0
 Java: Open JDK 1.7
 

 We have observe the below error in production environment. What is the cause 
 of the issue.

 ==
 ==
 2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException: 
 java.lang.ClassFormatError: Truncated class file
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at 
 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
 at 
 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
 lterChain.java:208)

 ==
 ==

 Use case:
 1- Http request Start.
 2- Struts 2.0 filter executed.
 3- FilterChain.dofiletr(httpRequest, httpResponse) [doFilter method] : 
 error occurs here


 More log reference:

 ==
 === at 
 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at 
 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at 
 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at 
 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
 at 
 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
 at 
 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at 
 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at 
 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at 
 org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
 at 
 org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at 
 org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
 at 
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at 
 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.lang.Thread.run(Thread.java:745)
 Caused by: java.lang.ClassFormatError: Truncated class file
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
 at 
 java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
 at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
 at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

 at 
 org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
 at 
 org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
 at 
 org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:145)
 at 
 org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:172)
 at 
 org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
 at 
 org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
 ... 83 more
 ==
 ===

 Your Help would be highly appreciated.


Do you have sufficient free space on your hard drive?  Maybe your disk is full.

Did it happen once only, or this is a repeating error?

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RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Some more reference from catalina.out

Jul 17, 2015 10:15:36 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.ClassFormatError: Truncated class file
at java.lang.ClassLoader.defineClass1(Native Method)


-Original Message-
From: Rahul Kumar Singh [mailto:rahul.si...@nectechnologies.in] 
Sent: Wednesday, July 22, 2015 9:33 AM
To: Tomcat Users List
Subject: RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

Dear Christopher,
Any quotas on the filesystem?
No.
Any idea which class it's having trouble loading?

I have no idea on this but I have got the below exception:

==
2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException: 
java.lang.ClassFormatError: Truncated class file
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
   at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)


For more reference there is some logs from Catalina.out after tomcat startup.

Jul 17, 2015 11:58:33 AM org.apache.jasper.compiler.TldLocationsCache tldScanJar
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug 
logging for this logger for a complete list of JARs that were scanned but no 
TLDs were found in them. Skipping unneeded JARs during scanning can improve 
startup time and JSP compilation time.


Regards,
Rahul

-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Sent: Tuesday, July 21, 2015 10:49 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Rahul,

On 7/21/15 10:32 AM, Rahul Kumar Singh wrote:
 Do you have sufficient free space on your hard drive?  Maybe your 
 disk is full.
 
 No, Disk Space is enough approx. ~ 96 GB

Any quotas on the filesystem?

 Did it happen once only, or this is a repeating error?
 
 No it occurs multiple times.

Any idea which class it's having trouble loading?

- -chris
-BEGIN PGP SIGNATURE-
Comment: GPGTools - http://gpgtools.org

iQIcBAEBCAAGBQJVrn7wAAoJEBzwKT+lPKRYprcP/AmH3h58sRRF36LyDEm8ixwI
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O5gV21MzzkL2lB5Oy5al
=wMn+
-END PGP SIGNATURE-

-
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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and may not necessarily reflect the opinions of NEC or its affiliates. 
Any form of reproduction, dissemination, copying, disclosure, modification, 
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DISCLAIMER:
---
The contents of this e-mail and any attachment(s) are confidential and
intended
for the named recipient(s) only. 
It shall not attach any liability on the originator or NEC or its
affiliates. Any views or opinions presented in 
this email are solely those of the author and may not necessarily reflect the
opinions of NEC

RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Dear Christopher,
Any quotas on the filesystem?
No.
Any idea which class it's having trouble loading?

I have no idea on this but I have got the below exception:

==
2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException: 
java.lang.ClassFormatError: Truncated class file
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
   at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)


For more reference there is some logs from Catalina.out after tomcat startup.

Jul 17, 2015 11:58:33 AM org.apache.jasper.compiler.TldLocationsCache tldScanJar
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug 
logging for this logger for a complete list of JARs that were scanned but no 
TLDs were found in them. Skipping unneeded JARs during scanning can improve 
startup time and JSP compilation time.


Regards,
Rahul

-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Tuesday, July 21, 2015 10:49 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Rahul,

On 7/21/15 10:32 AM, Rahul Kumar Singh wrote:
 Do you have sufficient free space on your hard drive?  Maybe your 
 disk is full.
 
 No, Disk Space is enough approx. ~ 96 GB

Any quotas on the filesystem?

 Did it happen once only, or this is a repeating error?
 
 No it occurs multiple times.

Any idea which class it's having trouble loading?

- -chris
-BEGIN PGP SIGNATURE-
Comment: GPGTools - http://gpgtools.org

iQIcBAEBCAAGBQJVrn7wAAoJEBzwKT+lPKRYprcP/AmH3h58sRRF36LyDEm8ixwI
JvbACxfAIcGJcGEi976zjcCQwVDe5jjUcPtMm83ygH1dA5p9u3qAFHXJehRS4T6W
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O5gV21MzzkL2lB5Oy5al
=wMn+
-END PGP SIGNATURE-

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---
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for the named recipient(s) only. 
It shall not attach any liability on the originator or NEC or its
affiliates. Any views or opinions presented in 
this email are solely those of the author and may not necessarily reflect the
opinions of NEC or its affiliates. 
Any form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of 
this message without the prior written consent of the author of this e-mail is
strictly prohibited. If you have 
received this email in error please delete it and notify the sender
immediately. .
---

RE: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID. | why there is different behaviour in Tomcat 6 and Tomcat 7

[Rahul Kumar Singh]

Hello Tomcat Team,

“;jsessionid=C1A67FB90E1300DF14EE027A3634A34B” passed in URL  
localhost:8080/login. jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B 
 is not received in tomcat 6(V6.0.28) . It is received in tomcat 7(V7.0.54) .  
What is reason for the different  behavior?

I used WGET command to send same request to both version of tomcats.  Access 
logs (logs/localhost_access_log.txt ) of both tomcat versions show the 
difference


WGET REQUEST:
wget localhost:8080/login. jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B  . 


Observations: 
TOMCAT 7.0.54 ACCESS LOGS: 
127.0.0.1 - - [21/Jul/2015:08:30:13 +] GET 
/login.jsp;jsessionid=C1A67FB90E1300DF14EE027A3634A34B HTTP/1.0 200 1063


-Original Message-
From: Rahul Kumar Singh 
Sent: Tuesday, June 23, 2015 6:17 PM
To: 'Tomcat Users List'
Subject: Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID.

Hello Tomcat team,

In Tomcat7.0.54 We have observe that Login URL is Appended with JSESSIONID 
parameter in our Web Application
Example:
/framework/login.action;jsessionid=098D3C84B56FF2A2A25E88E4F059A20B

System Configuration (WINDOW7+IE-8)

Due to this session authentication get failed.


But in Tomcat 6 It is not happening.
Could any one help me on this from Apache Tomcat community.

Regards,
Rahul Kumar Singh




DISCLAIMER:
---
The contents of this e-mail and any attachment(s) are confidential and
intended
for the named recipient(s) only. 
It shall not attach any liability on the originator or NEC or its
affiliates. Any views or opinions presented in 
this email are solely those of the author and may not necessarily reflect the
opinions of NEC or its affiliates. 
Any form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of 
this message without the prior written consent of the author of this e-mail is
strictly prohibited. If you have 
received this email in error please delete it and notify the sender
immediately. .
---

RE: Tomcat 7 (7.0.54) java.lang.ClassFormatError: Truncated class file

[Rahul Kumar Singh]

Hello Tomcat team,

Thanks for your always support !!

Please do the needful on below problem.

Web Application credential:
-
Servlet used :servelet3.0
MVC framework: Struts2.0
Java: Open JDK 1.7


We have observe the below error in production environment. What is the cause of 
the issue.


2015-07-17 09:53:50,860 ERROR javax.servlet.ServletException: 
java.lang.ClassFormatError: Truncated class file
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)



Use case:
1- Http request Start.
2- Struts 2.0 filter executed.
3- FilterChain.dofiletr(httpRequest, httpResponse) [doFilter method] : error 
occurs here 


More log reference:

=
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at 
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassFormatError: Truncated class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at 
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
at 
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
at 
org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:145)
at 
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:172)
at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
... 83 more
=

Your Help would be highly appreciated.


Regards,
Rahul Kumar Singh




DISCLAIMER:
---
The contents of this e-mail and any attachment(s) are confidential and
intended
for the named recipient(s) only. 
It shall not attach any liability on the originator or NEC or its
affiliates. Any views or opinions presented in 
this email are solely those of the author and may not necessarily reflect the
opinions of NEC or its affiliates. 
Any form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of 
this message without the prior written consent of the author of this e-mail is
strictly prohibited. If you have 
received this email in error please delete it and notify the sender
immediately

Tomcat 7 (7.0.54) Login URL is Passing with JSESSION ID.

[Rahul Kumar Singh]

Hello Tomcat team,

In Tomcat7.0.54 We have observe that Login URL is Appended with JSESSIONID 
parameter in our Web Application
Example:
/framework/login.action;jsessionid=098D3C84B56FF2A2A25E88E4F059A20B

System Configuration (WINDOW7+IE-8)

Due to this session authentication get failed.


But in Tomcat 6 It is not happening.
Could any one help me on this from Apache Tomcat community.

Regards,
Rahul Kumar Singh




DISCLAIMER:
---
The contents of this e-mail and any attachment(s) are confidential and
intended
for the named recipient(s) only. 
It shall not attach any liability on the originator or NEC or its
affiliates. Any views or opinions presented in 
this email are solely those of the author and may not necessarily reflect the
opinions of NEC or its affiliates. 
Any form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of 
this message without the prior written consent of the author of this e-mail is
strictly prohibited. If you have 
received this email in error please delete it and notify the sender
immediately. .
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SSL / TLS compression | SPDY service|CVE-2012-4929

[Rahul Kumar Singh]

Hello Tomcat support team,

Thanks for your continuous support.


Problem : Security issue | CVE-2012-4929

Overview:
The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, 
Qt, and other products, can encrypt compressed data without properly 
obfuscating the length of the unencrypted data, which allows man-in-the-middle 
attackers to obtain plaintext HTTP headers by observing length differences 
during a series of guesses in which a string in an HTTP request potentially 
matches an unknown string in an HTTP header, aka a CRIME attack.



The remote service has one of two configurations that are known to be
required for the CRIME attack:
- SSL / TLS compression is enabled.


The attack allows an attacker to reveal sensitive information that is being 
passed inside an encrypted SSL tunnel. The most straightforward way to leverage 
this vulnerability is to use it to retrieve cookies being passed by an 
application and use them to login to the application as the victim
The TLS protocol encrypts compressed data without properly obfuscating the 
length of the unencrypted data. Successful exploitation may result in a remote 
attacker conducting man-in-the-middle attacks.
According to our analysis seems:
(No SSL compression in IE, Firefox has disabled it from V15.0 in 2012 and 
already disbaled in latest version of chrome).- TLS advertises the SPDY 
protocol earlier than version 4.

Solution: Disable compression and / or the SPDY service.

So how to disable compression and / or the SPDY service in tomcat6.


Regards,
Rahul Kumar Singh



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RE: SSL / TLS compression | SPDY service|CVE-2012-4929

[Rahul Kumar Singh]

Ok I understand, 
Is it mentioned somewhere in tomcat spec. That it is not being used in JSSE 
connector.

Based on the above answer my next question:
If any browser is affected with this CVE , then what happen, e.g IE-11.
If user tries to open the web application from IE-11 , then what happen.

From: Ognjen Blagojevic [ognjen.d.blagoje...@gmail.com]
Sent: Friday, March 27, 2015 8:34 PM
To: Tomcat Users List
Subject: Re: SSL / TLS compression | SPDY service|CVE-2012-4929

Rahul,

On 27.3.2015 14:42, Rahul Kumar Singh wrote:
 So how to disable compression and / or the SPDY service in tomcat6.

If you are using JSSE connectors (BIO/NIO/NIO2), compression is already
disabled because JSSE does not support it, and there is no support for
SPDY protocol on those connectors.

If you are using APR/Native connector, if you didn't explicitly enabled
it, SPDY is disabled by default. You may disable TLS compression using
APR/Native connector parameter SSLDisableCompression=true.

-Ognjen

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RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Hello Tomcat support Team,

One important observation from the GC logs reported in tomcat 7.


GC execution time is increased in tomcat7, which increased the young gen 
capacity of java heap and resident memory of tomcat process is reported by 
Linux top , which is bounded by the java virtual memory. That is why resident 
memory is also increase.

Could anyone from apache Group look into this observation/problem.
GC Logs are attached in the mail for both tomcat 6 and tomcat 7.

=

Regards,
Rahul Kumar Singh






-Original Message-
From: André Warnier [mailto:a...@ice-sa.com] 
Sent: Wednesday, March 25, 2015 4:11 AM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Rainer Jung wrote:
 Some numbers from a test here on RHEL 6, using Java 1.7.0_76 and TC 
 6.0.43, 7.0.59 and 8.0.20.
 
 Measurement is taken directly after start (a) plus once after one 
 request to a non-existing page and two full GCs (b). Only manager was 
 deployed, not example webapps or docs. GC was run using jcmd PID GC.run
 
 Numbers from ps
 
  RSSa  RSSb   SZaSZbVSZaVSZb
 tc6 62372 68336 272952 273532 1091808 1094128
 tc7 63608 70456 271710 271978 1086840 1087912
 tc8 72576 79140 272257 272525 1089028 1090100
 
 Differences between TC6 and 7 marginal, differences between tc7 and 8 
 only noticable in RSS, around 9MB.
 
 Numbers from jstat -gc. First Capacity:
 
 Semi Spaces start with 512KB and grow to 768.0KB (TC6), 896.0KB (tc7) 
 and 1024.0 (tc8). Those indicate increasing allocations, but are not 
 relevant for total memory use.
 
  Edena  EdenbOldaOldb   Perma   Permb
 tc6 4288.0 6656.0 10688.0 16320.0 21248.0 21248.0
 tc7 4288.0 7168.0 10688.0 17904.0 21248.0 21248.0
 tc8 6144.0 8640.0 15316.0 21316.0 21248.0 21248.0
 
 Again this is capacity so including garbage and unused. We see that 
 Perm is unchanged. For all versions Eden grows by 2.4-2.9 MB due to 
 allocation activity. Numbers for tc6 and 7 are again very similar, tc8 
 numbers are slightly higher already after startup. Old (Tenured) grows 
 by about 6-7MB, again very similar for tc 6 and tc 7 and slightly 
 higher for TC 8.
 
 Now for the used numbers after GC, which are more relevant (allocation 
 rates are another topic):
 
  Edena  EdenbOldaOldb   Perma   Permb
 tc6 2910.8   69.3  7231.7  7984.1 13923.0 14429.1
 tc7 2326.1   73.8  8504.4  9661.2 13910.1 15340.1
 tc8  203.7   60.9 10577.6 12599.7 16183.3 17653.8
 
 So the live objects are Edenb+Oldb:
 
 Edenb+Oldb
 tc6  8053.4
 tc7  9735.0
 tc8 12660.6
 
 And here we see some increase but the total amount of about 2MB 
 between tc 6 and 7 and about another 3 MB between 7 and 8 seems to be 
 not really problematic. The same holds true for perm, there's an 
 increase of about 1MB between 6 and 7 and 2 MB between 7 and 8.
 
 Finally: where does the difference between RSS, Sz and the sum of heap 
 and eden come from?
 
 Example for TC 8 case b:
 
 RSS: 79140
 SZ: 272525
 
 Sum of RSS due to smaps: 79088 so roughly consistent.
 
 S0+S1+E+O+P capacity: 53252, but Rss 40872, so a delta of 38MB to RSS.
 
 smaps entries that can be identified:
 
 TypeSize   Rss
 Perm   21248 17656
 Old21316 15040
 Eden+S0+S1 10688  8176
 libjvm.so  11732  7712 (read-only)
 
 Then about 21 thread stack reservations, total Size 21676, total Rss 2804.
 
 So the delta goes down to 38 - 7.7 - 2.8 = 28MB.
 
 Some more segments, that I can't fully interprete are:
 
 Size  Rssfrom -to   Perm File
 8852 7648 7f281800-7f28188a5000 rw-p
 8940 6496 7f281400-7f28148bb000 rw-p
 51116 4064 7f283527-7f283845b000 rw-p
 2496 2048 7f283500-7f283527 rwxp
 1788 1732 7f283d443000-7f283d602000 r--s .../lib/rt.jar
 3304 1444 7f282c00-7f282c33a000 rw-p
 784 784 7f283f1d9000-7f283f29d000 rw-p .../lib/amd64/server/libjvm.so
 1564 648 3f6d20-3f6d387000 r-xp /lib64/libc-2.12.so
 536 524 7f283000-7f2830086000 rw-p
 272 208 7f283f29d000-7f283f2e1000 rw-p
 
 and those nearly make up the missing 28MB Rss (whatever they are).
 

I don't know how to describe the above, nor the dedication that went into 
gathering that (and at this late European hour at that). Brilliant ?
In any case, thank you.

But now, for the mere humans among us, what does it mean in terms of the OP and 
his original question : why does Tomcat 7 seem to be using 70 MB more memory at 
startup than Tomcat 6 ?
Is it :
- it doesn't matter. The numbers shown are wrong, and if you run 10 instances 
of Tomcat 7 at the same time, you will see that they are not really using 700 
MB more than before.
or
- it is normal and expected. Tomcat 7 - because of the new Servlet Spec - needs 
to borogrove the watchamecalits, and this is using 70 MB more heap than before. 
In return, you get a 25% performance improvement later

RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Some of the observations during the GC call monitoring / heap dump from JMAP:


Tomcat Version

Stages

Java Heap Usage

Java Heap Capacity

Virtual memory
(by top)

Resident Memory
(by top)

Tomcat 6

After tomcat startup

17.18 MB

367.8 MB

6712 MB

175 MB

After functional operation

18.77 MB

367.8 MB

6745 MB

207 MB

After Operation

45.51 MB

331.0 MB

6745 MB

235 MB

Tomcat 7

After tomcat startup

57.90 MB

655.8 MB

6795 MB

423 MB

After functional operation

97.64 MB

655.8 MB

6828 MB

558 MB

After Operation

142.58 MB

1864.0 MB

6828 MB

1000 MB






Observation:

•   Top’s reported virtual memory is approximately same.

•   Resident memory correlates with Java heap capacity. Refer to next slide 
for details.





-Original Message-
From: André Warnier [mailto:a...@ice-sa.com]
Sent: Tuesday, March 24, 2015 9:00 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)



Johan Compagner wrote:



 I understand all that.  But the basic view, from a sysadmin's point

 of view is this :



 Tomcat 6(6.0.28)

 Virtual Memory: 6772 MB

 Resident Memory: 81 MB



 Tomcat 7(7.0.54)

 Virtual Memory: 6778 MB

 Resident Memory: 148 MB





 what does that Resident exactly mean here?

 i guess the total heap the java vm has taken after startup?



 Because that could be quite logical, maybe tomcat 7 needs a lot more

 data because of that annotation scanning Doesn't it load in way more

 classes?

 All that processing and then also maybe loading in up front way more

 classes then before will mean that the heap (and none heap in this

 scenario) is already way more loaded.





That's the kind of thing that I mean.

The OP is asking : assuming the same host, the same JVM, the same startup 
parameters, the same default ROOT application, why does Tomcat 7 seem to be 
using 70 MB more RAM at startup than Tomcat 6 ?

The answer can be :

- it doesn't matter. The numbers shown are wrong, and if you run 10 instances 
of Tomcat 7 at the same time, you will see that they are not really using 700 
MB more than before.

or

- it is normal and expected. Tomcat 7 - because of the new Servlet Spec - needs 
to borogrove the watchamecalits, and this is using 70 MB more heap than before. 
In return, you get a 25% performance improvement later..

or

- we have no clue. It does not happen on other machines, so there must be 
something special on your machine, and to find out what we need heap dumps.

or

???



The OP just wants to know which, but instead we are just telling him that he 
should take heap dumps or examine cryptic memory allocation displays etc.. He 
may not be adverse to that in the end, but some basic preliminary guidance may 
be helpful.







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RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) 
:
Tomcat7
application user  5597 1 38 02:11 ?00:00:13 
/usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java 
-Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
/opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar 
-Dcatalina.base=/opt/tomcat -Dcatalina.home=/opt/tomcat 
-Djava.io.tmpdir=/opt/tomcat/temp org.apache.catalina.startup.Bootstrap start

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) 
:
Tomcat6
application user  2860 1  0 10:34 ?00:01:35 
/usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java 
-Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
/opt/tomcat/bin/bootstrap.jar -Dcatalina.base=/opt/tomcat 
-Dcatalina.home=/opt/tomcat -Djava.io.tmpdir=/opt/tomcat/temp 
org.apache.catalina.startup.Bootstrap start

Also, which exact example Tomcat application are you deploying in both cases 
above ?
The default application came with apache tomcat 6 and tomcat7

-Original Message-
From: André Warnier [mailto:a...@ice-sa.com] 
Sent: Monday, March 23, 2015 5:27 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Rahul Kumar Singh wrote:
 Hello André Warnier,
 
 Thanks for your response.
 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 Yes, we have done the above suggested exercise. And got  the below output of 
 top command result.
 
 Development environment:
 ===
 RAM: 25 GB 
 CPU: CPU Intel(R) Xeon(R) CPU  X5450  @ 3.00GHz
 OS: RHEL Linux (5.8)
 ==
 
 Tomcat 6(6.0.28) 
 Virtual Memory: 6772 MB
 Resident Memory: 81 MB
 

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) :


 Tomcat 7(7.0.54)
 Virtual Memory: 6778 MB
 Resident Memory: 148 MB


Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) :

(That is for us to know if, for example, there are any command-line parameters 
that might 
explain the difference)

Also, which exact example Tomcat application are you deploying in both cases 
above ?

Note: these questions are not asked to annoy you, or to delay a response.  You 
realise 
that Tomcat is open-source free software, and that the people manning this 
forum are doing 
that for free, on their own time.  Also simulating your case will require 
someone to spend 
some time creating the same setup as yours.  So all in all, the more precise 
information 
which you provide, the more time you allow these people to save in order to 
give you an 
accurate answer, and the faster you will have that answer.

And if you want to know about heap dumps, this looks like a good start : 
http://www.jahia.com/community/blogs/tips-and-tricks-for-analyzing-java-virtual-machine
(searching Google for tomcat heap dump)

 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to 
 have a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what.
 
 The initial value is also somewhere double of tomcat6.
 
 
 Regards,
 Rahul Kumar Singh
 
 -Original Message-
 From: André Warnier [mailto:a...@ice-sa.com] 
 Sent: Monday, March 23, 2015 2:32 PM
 To: Tomcat Users List
 Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
 Tomcat 6 (6.0.28)
 
 Rahul Kumar Singh wrote:
 Dear Thomas,

 Thanks for your quick response,



 Tomcat doesn't use anything like that much memory on its own. I suspect it 
 is the application although the difference between Tomcat 6 and Tomcat 7 is 
 unexpected.


 Ok, I understand,

 But could you please confirm us theoretically that is there any difference 
 in initial memory requirement of tomcat6 and tomcat 7?


 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to have 
 a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what

RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Plz ignore previous mail

-Original Message-
From: Rahul Kumar Singh 
Sent: Monday, March 23, 2015 6:05 PM
To: Tomcat Users List
Subject: RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) 
:

application user  2860 1  0 10:34 ?00:01:35 
/usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java 
-Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
/opt/tomcat/bin/bootstrap.jar -Dcatalina.base=/opt/tomcat 
-Dcatalina.home=/opt/tomcat -Djava.io.tmpdir=/opt/hydra-tomcat/temp 
org.apache.catalina.startup.Bootstrap start


Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) :




-Original Message-
From: André Warnier [mailto:a...@ice-sa.com] 
Sent: Monday, March 23, 2015 5:27 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Rahul Kumar Singh wrote:
 Hello André Warnier,
 
 Thanks for your response.
 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 Yes, we have done the above suggested exercise. And got  the below output of 
 top command result.
 
 Development environment:
 ===
 RAM: 25 GB 
 CPU: CPU Intel(R) Xeon(R) CPU  X5450  @ 3.00GHz
 OS: RHEL Linux (5.8)
 ==
 
 Tomcat 6(6.0.28) 
 Virtual Memory: 6772 MB
 Resident Memory: 81 MB
 

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) :


 Tomcat 7(7.0.54)
 Virtual Memory: 6778 MB
 Resident Memory: 148 MB


Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) :

(That is for us to know if, for example, there are any command-line parameters 
that might 
explain the difference)

Also, which exact example Tomcat application are you deploying in both cases 
above ?

Note: these questions are not asked to annoy you, or to delay a response.  You 
realise 
that Tomcat is open-source free software, and that the people manning this 
forum are doing 
that for free, on their own time.  Also simulating your case will require 
someone to spend 
some time creating the same setup as yours.  So all in all, the more precise 
information 
which you provide, the more time you allow these people to save in order to 
give you an 
accurate answer, and the faster you will have that answer.

And if you want to know about heap dumps, this looks like a good start : 
http://www.jahia.com/community/blogs/tips-and-tricks-for-analyzing-java-virtual-machine
(searching Google for tomcat heap dump)

 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to 
 have a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what.
 
 The initial value is also somewhere double of tomcat6.
 
 
 Regards,
 Rahul Kumar Singh
 
 -Original Message-
 From: André Warnier [mailto:a...@ice-sa.com] 
 Sent: Monday, March 23, 2015 2:32 PM
 To: Tomcat Users List
 Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
 Tomcat 6 (6.0.28)
 
 Rahul Kumar Singh wrote:
 Dear Thomas,

 Thanks for your quick response,



 Tomcat doesn't use anything like that much memory on its own. I suspect it 
 is the application although the difference between Tomcat 6 and Tomcat 7 is 
 unexpected.


 Ok, I understand,

 But could you please confirm us theoretically that is there any difference 
 in initial memory requirement of tomcat6 and tomcat 7?


 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to have 
 a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what.
 
 -
 To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
 For additional commands, e-mail: users-h...@tomcat.apache.org
 
 
 
 
 DISCLAIMER:
 ---
 The contents of this e-mail and any attachment(s) are confidential

RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) 
:

application user  2860 1  0 10:34 ?00:01:35 
/usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java 
-Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
/opt/tomcat/bin/bootstrap.jar -Dcatalina.base=/opt/tomcat 
-Dcatalina.home=/opt/tomcat -Djava.io.tmpdir=/opt/hydra-tomcat/temp 
org.apache.catalina.startup.Bootstrap start


Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) :




-Original Message-
From: André Warnier [mailto:a...@ice-sa.com] 
Sent: Monday, March 23, 2015 5:27 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Rahul Kumar Singh wrote:
 Hello André Warnier,
 
 Thanks for your response.
 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 Yes, we have done the above suggested exercise. And got  the below output of 
 top command result.
 
 Development environment:
 ===
 RAM: 25 GB 
 CPU: CPU Intel(R) Xeon(R) CPU  X5450  @ 3.00GHz
 OS: RHEL Linux (5.8)
 ==
 
 Tomcat 6(6.0.28) 
 Virtual Memory: 6772 MB
 Resident Memory: 81 MB
 

Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | grep java) :


 Tomcat 7(7.0.54)
 Virtual Memory: 6778 MB
 Resident Memory: 148 MB


Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | grep java) :

(That is for us to know if, for example, there are any command-line parameters 
that might 
explain the difference)

Also, which exact example Tomcat application are you deploying in both cases 
above ?

Note: these questions are not asked to annoy you, or to delay a response.  You 
realise 
that Tomcat is open-source free software, and that the people manning this 
forum are doing 
that for free, on their own time.  Also simulating your case will require 
someone to spend 
some time creating the same setup as yours.  So all in all, the more precise 
information 
which you provide, the more time you allow these people to save in order to 
give you an 
accurate answer, and the faster you will have that answer.

And if you want to know about heap dumps, this looks like a good start : 
http://www.jahia.com/community/blogs/tips-and-tricks-for-analyzing-java-virtual-machine
(searching Google for tomcat heap dump)

 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to 
 have a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what.
 
 The initial value is also somewhere double of tomcat6.
 
 
 Regards,
 Rahul Kumar Singh
 
 -Original Message-
 From: André Warnier [mailto:a...@ice-sa.com] 
 Sent: Monday, March 23, 2015 2:32 PM
 To: Tomcat Users List
 Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
 Tomcat 6 (6.0.28)
 
 Rahul Kumar Singh wrote:
 Dear Thomas,

 Thanks for your quick response,



 Tomcat doesn't use anything like that much memory on its own. I suspect it 
 is the application although the difference between Tomcat 6 and Tomcat 7 is 
 unexpected.


 Ok, I understand,

 But could you please confirm us theoretically that is there any difference 
 in initial memory requirement of tomcat6 and tomcat 7?


 
 That should be much easier and quicker to check this by yourself, as you 
 obviously already have the 2 Tomcat versions up and running.
 Remove your own application, deploy one of the standard Tomcat-examples 
 applications, and have a look.
 
 If there is still a big difference between v6 and v7, then come back here.  
 At least then there will be a reproducible test case for someone here to have 
 a closer look.
 And if there is not a big difference, then obviously it must have something 
 to with your application.  And then, follow Mark's already-given advice to 
 find out what.
 
 -
 To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
 For additional commands, e-mail: users-h...@tomcat.apache.org
 
 
 
 
 DISCLAIMER:
 ---
 The contents of this e-mail and any attachment(s) are confidential and
 intended
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 affiliates. Any views or opinions presented in 
 this email are solely those of the author and may not necessarily reflect

RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Dear Thomas,

Thanks for your quick response,



Tomcat doesn't use anything like that much memory on its own. I suspect it is 
the application although the difference between Tomcat 6 and Tomcat 7 is 
unexpected.



Ok, I understand,

But could you please confirm us theoretically that is there any difference in 
initial memory requirement of tomcat6 and tomcat 7?



Above question is because of the below observation.

1-The deployed application is same. Even no difference in deployment scenario 
and no change in application.

2-The underlining java environment is also same.

(java version 1.7.0_09-icedtea

OpenJDK Runtime Environment (rhel-2.3.3.el5.1-x86_64)

OpenJDK 64-Bit Server VM (build 23.2-b09, mixed mode)),



3-The initial memory of tomcat is increased by three times.





Regards,

Rahul Kumar Singh









-Original Message-
From: Mark Thomas [mailto:ma...@apache.org]
Sent: Monday, March 23, 2015 1:13 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)



On 23/03/2015 07:05, Rahul Kumar Singh wrote:

 Hi Tomcat support team,



 While upgrading Tomcat from tomcat 6(6.0.28) to tomcat 7 (7.0.54).

 the following problem happens. TOMCAT 7 (7.0.54) memory consumption

 increased about approx. 3 times compare to the existing tomcat 6

 (6.0.28) memory consumption.



 Tomcat 6.0.28 memory consumption MAP. RESIDENT MEMORY:300-400 MB

 Approx.



 Tomcat 7.0.54 memory consumption MAP. RESIDENT MEMORY:900-1800 MB

 Approx.



 Underline java platform is same(OpenJDK7) in both tomcat 6 and tomcat

 7. Now question is that, why the memory consumption increased about 3

 times in Tomcat 7.



Tomcat doesn't use anything like that much memory on its own. I suspect it is 
the application although the difference between Tomcat 6 and Tomcat 7 is 
unexpected.



The only way to find out what is going on is to look at what is using that 
memory. You'll need to take a heap dump and/or use a profiler to find out.



Mark



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RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Really? The Tomcat ROOT web application is taking up 3 times as much heap 
space in Tomcat 6 as Tomcat 7?
Yes.

-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Monday, March 23, 2015 7:52 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Rahul,

On 3/23/15 8:39 AM, Rahul Kumar Singh wrote:
 Exact command-line that starts Tomcat7 (as given e.g. by ps -ef
 | grep java) :
 Tomcat7 application user  5597 1 38 02:11 ?00:00:13
 /usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java
 -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
 -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
 -Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
 /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
 -Dcatalina.base=/opt/tomcat -Dcatalina.home=/opt/tomcat 
 -Djava.io.tmpdir=/opt/tomcat/temp 
 org.apache.catalina.startup.Bootstrap start
 
 Exact command-line that starts Tomcat6 (as given e.g. by ps -ef
 | grep java) :
 Tomcat6 application user  2860 1  0 10:34 ?00:01:35
 /usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/java
 -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
 -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
 -Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath 
 /opt/tomcat/bin/bootstrap.jar -Dcatalina.base=/opt/tomcat 
 -Dcatalina.home=/opt/tomcat -Djava.io.tmpdir=/opt/tomcat/temp 
 org.apache.catalina.startup.Bootstrap start
 
 Also, which exact example Tomcat application are you deploying in 
 both cases above ?
 The default application came with apache tomcat 6 and tomcat7

Really? The Tomcat ROOT web application is taking up 3 times as much heap space 
in Tomcat 6 as Tomcat 7?

- -chris

 -Original Message- From: André Warnier [mailto:a...@ice-sa.com] 
 Sent: Monday, March 23, 2015 5:27 PM To:
 Tomcat Users List Subject: Re: Tomcat 7 (7.0.54) memory consuption is 
 very high(3 times) than Tomcat 6 (6.0.28)
 
 Rahul Kumar Singh wrote:
 Hello André Warnier,
 
 Thanks for your response.
 
 That should be much easier and quicker to check this by yourself, as 
 you obviously already have the 2 Tomcat versions up and running. 
 Remove your own application, deploy one of the standard 
 Tomcat-examples applications, and have a look.
 
 Yes, we have done the above suggested exercise. And got  the below 
 output of top command result.
 
 Development environment: === RAM: 25 GB
 CPU: CPU Intel(R) Xeon(R) CPU  X5450  @ 3.00GHz OS: RHEL Linux
 (5.8) ==
 
 Tomcat 6(6.0.28) Virtual Memory: 6772 MB Resident Memory: 81 MB
 
 
 Exact command-line that starts Tomcat6 (as given e.g. by ps -ef | 
 grep java) :
 
 
 Tomcat 7(7.0.54) Virtual Memory: 6778 MB Resident Memory: 148 MB
 
 
 Exact command-line that starts Tomcat7 (as given e.g. by ps -ef | 
 grep java) :
 
 (That is for us to know if, for example, there are any command-line 
 parameters that might explain the difference)
 
 Also, which exact example Tomcat application are you deploying in both 
 cases above ?
 
 Note: these questions are not asked to annoy you, or to delay a 
 response.  You realise that Tomcat is open-source free software, and 
 that the people manning this forum are doing that for free, on their 
 own time.  Also simulating your case will require someone to spend 
 some time creating the same setup as yours.  So all in all, the more 
 precise information which you provide, the more time you allow these 
 people to save in order to give you an accurate answer, and the faster 
 you will have that answer.
 
 And if you want to know about heap dumps, this looks like a good start 
 :
 http://www.jahia.com/community/blogs/tips-and-tricks-for-analyzing-jav
 a-virtual-machine

 
(searching Google for tomcat heap dump)
 
 If there is still a big difference between v6 and v7, then come back 
 here.  At least then there will be a reproducible test case for 
 someone here to have a closer look. And if there is not a big 
 difference, then obviously it must have something to with your 
 application.  And then, follow Mark's already-given advice to find 
 out what.
 
 The initial value is also somewhere double of tomcat6.
 
 
 Regards, Rahul Kumar Singh
 
 -Original Message- From: André Warnier [mailto:a...@ice-sa.com] 
 Sent: Monday, March 23, 2015 2:32 PM To:
 Tomcat Users List Subject: Re: Tomcat 7 (7.0.54) memory consuption is 
 very high(3 times) than Tomcat 6 (6.0.28)
 
 Rahul Kumar Singh wrote:
 Dear Thomas,
 
 Thanks for your quick response,
 
 
 
 Tomcat doesn't use anything like that much memory on its own.
 I suspect it is the application although the difference between 
 Tomcat 6 and Tomcat 7 is unexpected.
 
 
 Ok, I understand,
 
 But could you please confirm us theoretically that is there any 
 difference in initial memory

RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Just remember that the numbers out of top are at best approximations, and, as 
Rainer pointed out, not taking measurements immediately after a GC is a 
guarantee of an apples versus oranges comparison.

The appropriate tools (e.g., VisualVM) must be used for any rational analysis.
During the analysis, top is referred for memory report too.


-Original Message-
From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] 
Sent: Monday, March 23, 2015 8:03 PM
To: Tomcat Users List
Subject: RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

 From: Christopher Schultz [mailto:ch...@christopherschultz.net]
 Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) 
 than Tomcat 6 (6.0.28)

 Really? The Tomcat ROOT web application is taking up 3 times as much 
 heap space in Tomcat 6 as Tomcat 7?

Just remember that the numbers out of top are at best approximations, and, as 
Rainer pointed out, not taking measurements immediately after a GC is a 
guarantee of an apples versus oranges comparison.

The appropriate tools (e.g., VisualVM) must be used for any rational analysis.

 - Chuck


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Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Hi Tomcat support team,

While upgrading Tomcat from tomcat 6(6.0.28) to tomcat 7 (7.0.54). the 
following problem happens. TOMCAT 7 (7.0.54) memory consumption increased about 
approx. 3 times compare to the existing tomcat 6 (6.0.28) memory consumption.

Tomcat 6.0.28 memory consumption MAP. RESIDENT MEMORY:300-400 MB Approx.

Tomcat 7.0.54 memory consumption MAP. RESIDENT MEMORY:900-1800 MB Approx.

Underline java platform is same(OpenJDK7) in both tomcat 6 and tomcat 7. Now 
question is that, why the memory consumption increased about 3 times in Tomcat 
7.




Regards,
Rahul Kumar Singh




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RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Hello André Warnier,

Thanks for your response.

That should be much easier and quicker to check this by yourself, as you 
obviously already have the 2 Tomcat versions up and running.
Remove your own application, deploy one of the standard Tomcat-examples 
applications, and have a look.

Yes, we have done the above suggested exercise. And got  the below output of 
top command result.

Development environment:
===
RAM: 25 GB 
CPU: CPU Intel(R) Xeon(R) CPU  X5450  @ 3.00GHz
OS: RHEL Linux (5.8)
==

Tomcat 6(6.0.28) 
Virtual Memory: 6772 MB
Resident Memory: 81 MB

Tomcat 7(7.0.54)
Virtual Memory: 6778 MB
Resident Memory: 148 MB

If there is still a big difference between v6 and v7, then come back here.  At 
least then there will be a reproducible test case for someone here to have a 
closer look.
And if there is not a big difference, then obviously it must have something to 
with your application.  And then, follow Mark's already-given advice to find 
out what.

The initial value is also somewhere double of tomcat6.


Regards,
Rahul Kumar Singh

-Original Message-
From: André Warnier [mailto:a...@ice-sa.com] 
Sent: Monday, March 23, 2015 2:32 PM
To: Tomcat Users List
Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than 
Tomcat 6 (6.0.28)

Rahul Kumar Singh wrote:
 Dear Thomas,
 
 Thanks for your quick response,
 
 
 
 Tomcat doesn't use anything like that much memory on its own. I suspect it 
 is the application although the difference between Tomcat 6 and Tomcat 7 is 
 unexpected.
 
 
 
 Ok, I understand,
 
 But could you please confirm us theoretically that is there any difference in 
 initial memory requirement of tomcat6 and tomcat 7?
 
 

That should be much easier and quicker to check this by yourself, as you 
obviously already have the 2 Tomcat versions up and running.
Remove your own application, deploy one of the standard Tomcat-examples 
applications, and have a look.

If there is still a big difference between v6 and v7, then come back here.  At 
least then there will be a reproducible test case for someone here to have a 
closer look.
And if there is not a big difference, then obviously it must have something to 
with your application.  And then, follow Mark's already-given advice to find 
out what.

-
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RE: Tomcat 7 (7.0.54) memory consuption is very high(3 times) than Tomcat 6 (6.0.28)

[Rahul Kumar Singh]

Also interesting is cat /proc/PID/maps but here one would need to calculate 
sizes per line from the two hex addresses given at the start of each line. 
Something like:

cat /proc/PID/maps | perl -n -e '($a,$b)=split(/[- ]/);print hex($b)-hex($a), 
 , $_;' | sort -n

(replace PID by the current Tomcat java process id).

Command: cat /proc/19487/maps | perl -n -e '($a,$b)=split(/[- ]/);print 
hex($b) -hex($a),  , $_;' |sort -n abc.txt

OUTPUT
0d4b8000-0e736000 rw-p 0d4b8000 00:00 0  [heap]
ff60-ffe0 ---p  00:00 0  
[vsyscall]
2aaab000-2aab3000 r--s 00061000 09:01 2519920
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/ext/gnome-java-bridge.jar
2aab3000-2aab5000 r--s 6000 09:01 1834753
/opt/tomcat/bin/bootstrap.jar
2aab5000-2aab6000 r--s 5000 09:01 1834758
/opt/tomcat/bin/commons-daemon.jar
2aab6000-2aab8000 r--s 8000 09:01 1834770
/opt/tomcat/bin/tomcat-juli.jar
2aab8000-2aac5000 r-xp  09:01 2519898
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libverify.so
2aac5000-2acc4000 ---p d000 09:01 2519898
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libverify.so
2acc4000-2acc6000 rw-p c000 09:01 2519898
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libverify.so
2acc6000-2acef000 r-xp  09:01 2519877
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libjava.so
2acef000-2aeee000 ---p 00029000 09:01 2519877
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libjava.so
2aeee000-2aef rw-p 00028000 09:01 2519877
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libjava.so
2aef-2aef1000 r--p 2aef 00:00 0 
2aef1000-2aef2000 rw-p 2aef1000 00:00 0 
2aef2000-2aefa000 rw-s  09:01 2056360
/tmp/hsperfdata_app/19487
2aefe000-2af08000 r-xp  09:01 261147 
/lib64/libnss_files-2.5.so
2af08000-2b107000 ---p a000 09:01 261147 
/lib64/libnss_files-2.5.so
2b107000-2b108000 r--p 9000 09:01 261147 
/lib64/libnss_files-2.5.so
2b108000-2b109000 rw-p a000 09:01 261147 
/lib64/libnss_files-2.5.so
2b109000-2b111000 r-xp  09:01 2519899
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libzip.so
2b111000-2b31 ---p 8000 09:01 2519899
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libzip.so
2b31-2b311000 rw-p 7000 09:01 2519899
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libzip.so
2b311000-2b771000 rwxp 2b311000 00:00 0 
2b771000-2e311000 rw-p 2b771000 00:00 0 
2e311000-2e323000 rw-p 2e311000 00:00 0 
2e323000-2e3d1000 rw-p 2e323000 00:00 0 
2e3d1000-2e3e rw-p 2e3d1000 00:00 0 
2e3e-2e424000 rw-p 2e3e 00:00 0 
2e424000-2e51f000 rw-p 2e424000 00:00 0 
2e51f000-2f3cd000 rw-p 2e51f000 00:00 0 
2f3cd000-2f60c000 rw-p 2f3cd000 00:00 0 
2f60c000-2f6ec000 ---p 2f60c000 00:00 0 
2f6ec000-2fba2000 rw-p 2f6ec000 00:00 0 
2fba2000-2fc9e000 rw-p 2fba2000 00:00 0 
2fc9e000-2aaab0b4d000 rw-p 2fc9e000 00:00 0 
2aaab0b4d000-2aaab0b5c000 rw-p 2aaab0b4d000 00:00 0 
2aaab0b5c000-2aaab0ba rw-p 2aaab0b5c000 00:00 0 
2aaab0ba-2aaace81c000 rw-p 2aaab0ba 00:00 0 
2aaace81c000-2aaace9d7000 r--s 01c8f000 09:01 2519963
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/rt.jar
2aaace9d7000-2aaad0cd4000 rw-p 2aaace9d7000 00:00 0 
2aaad0cd4000-2aaad42a3000 r--p  09:01 2227921
/usr/lib/locale/locale-archive
2aaad42a3000-2aaad42b3000 r-xp  09:01 2519890
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libnio.so
2aaad42b3000-2aaad44b3000 ---p 0001 09:01 2519890
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libnio.so
2aaad44b3000-2aaad44b4000 rw-p 0001 09:01 2519890
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libnio.so
2aaad44b4000-2aaad44c9000 r-xp  09:01 2519889
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libnet.so
2aaad44c9000-2aaad46c9000 ---p 00015000 09:01 2519889
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/lib/amd64/libnet.so
2aaad46c9000-2aaad46ca000 rw-p 00015000 09:01 2519889

CGI script to work on Tomcat

[Rahul R]

Hi

 I am trying to migrate something which was working under apache to tomcat.
I had an html form which takes user input values and pass those values and
executes some cgi scripts. But when I moved html and cgi under tomcat, the
html form is loading properly, but when I click submit, its giving 404
error for the cgi execution.

I have my html files under ROOT and cgi scripts under ROOT/WEB-INF/cgi
Tomcat Version: 7.0.54

And in my html form I have mentioned the cgi location as
action='./WEB-INF/cgi/read_toggle.cgi'

I followed the steps mentioned in the below url.

http://www.wellho.net/solutions/java-running-cgi-scripts-in-apache-tomcat.html

I don't see anything in the catalina.out or any other logs. Kindly me help
to fix this issue.


-- 
Thanks,
Regards,
Rahul R

  .~.
  /V\
 // \\
/(   )\
 ^`~'^

Mob: 09008030921

Re: CGI script to work on Tomcat

[Rahul R]

Thanks Mark for your suggestion. But by privileged, did you mean to add an
entry like below on context.xml?

Context privileged=true
/Context



On Fri, Jun 20, 2014 at 5:46 PM, Mark Thomas ma...@apache.org wrote:

 On 20/06/2014 12:49, Rahul R wrote:
  Hi
 
   I am trying to migrate something which was working under apache to
 tomcat.
  I had an html form which takes user input values and pass those values
 and
  executes some cgi scripts. But when I moved html and cgi under tomcat,
 the
  html form is loading properly, but when I click submit, its giving 404
  error for the cgi execution.
 
  I have my html files under ROOT and cgi scripts under ROOT/WEB-INF/cgi
  Tomcat Version: 7.0.54
 
  And in my html form I have mentioned the cgi location as
  action='./WEB-INF/cgi/read_toggle.cgi'
 
  I followed the steps mentioned in the below url.
 
 
 http://www.wellho.net/solutions/java-running-cgi-scripts-in-apache-tomcat.html
 
  I don't see anything in the catalina.out or any other logs. Kindly me
 help
  to fix this issue.

 Try using the real Tomcat documentation rather than some random Google
 result that doesn't even bother to mention which version of Tomcat it
 was written for (hint: it wasn't written for Tomcat 7).

 Given how you have configured Tomcat, the behaviour you are seeing is
 exactly as expected. If you want your script to work with the minimum of
 changes you need to:
 - Make your web application privileged
 - Use action='./read_toggle.cgi'

 Mark

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-- 
Thanks,
Regards,
Rahul R

  .~.
  /V\
 // \\
/(   )\
 ^`~'^

Mob: 09008030921

Re: CGI script to work on Tomcat

[Rahul R]

More info:

http://localhost:8180/toggle_read.html is html. But after using
action='./read_toggle.cgi'
in the html the url loading is http://localhost:8180/read_toggle.cgi and
again its giving 404 error. :(


On Fri, Jun 20, 2014 at 5:59 PM, Rahul R rahul.ra...@gmail.com wrote:

 Thanks Mark for your suggestion. But by privileged, did you mean to add an
 entry like below on context.xml?

 Context privileged=true
 /Context



 On Fri, Jun 20, 2014 at 5:46 PM, Mark Thomas ma...@apache.org wrote:

 On 20/06/2014 12:49, Rahul R wrote:
  Hi
 
   I am trying to migrate something which was working under apache to
 tomcat.
  I had an html form which takes user input values and pass those values
 and
  executes some cgi scripts. But when I moved html and cgi under tomcat,
 the
  html form is loading properly, but when I click submit, its giving 404
  error for the cgi execution.
 
  I have my html files under ROOT and cgi scripts under ROOT/WEB-INF/cgi
  Tomcat Version: 7.0.54
 
  And in my html form I have mentioned the cgi location as
  action='./WEB-INF/cgi/read_toggle.cgi'
 
  I followed the steps mentioned in the below url.
 
 
 http://www.wellho.net/solutions/java-running-cgi-scripts-in-apache-tomcat.html
 
  I don't see anything in the catalina.out or any other logs. Kindly me
 help
  to fix this issue.

 Try using the real Tomcat documentation rather than some random Google
 result that doesn't even bother to mention which version of Tomcat it
 was written for (hint: it wasn't written for Tomcat 7).

 Given how you have configured Tomcat, the behaviour you are seeing is
 exactly as expected. If you want your script to work with the minimum of
 changes you need to:
 - Make your web application privileged
 - Use action='./read_toggle.cgi'

 Mark

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 --
 Thanks,
 Regards,
 Rahul R

   .~.
   /V\
  // \\
 /(   )\
  ^`~'^

 Mob: 09008030921




-- 
Thanks,
Regards,
Rahul R

  .~.
  /V\
 // \\
/(   )\
 ^`~'^

Mob: 09008030921

Re: CGI script to work on Tomcat

[Rahul R]

This is from my conf/web.xml

 servlet
servlet-namecgi/servlet-name

servlet-classorg.apache.catalina.servlets.CGIServlet/servlet-class
init-param
  param-namedebug/param-name
  param-value0/param-value
/init-param
init-param
  param-namecgiPathPrefix/param-name
  param-valueWEB-INF/cgi/param-value
/init-param
init-param
 param-namepassShellEnvironment/param-name
 param-valuetrue/param-value
 /init-param
init-param
  param-nameexecutable/param-name
  param-valueperl/param-value
/init-param

 load-on-startup5/load-on-startup
/servlet


servlet-mapping
servlet-namecgi/servlet-name
url-pattern/cgi-bin/*/url-pattern
/servlet-mapping


Please let me know what do you mean by privileged usage.


On Fri, Jun 20, 2014 at 6:17 PM, André Warnier a...@ice-sa.com wrote:

 Rahul R wrote:

 More info:

 http://localhost:8180/toggle_read.html is html. But after using
 action='./read_toggle.cgi'
 in the html the url loading is http://localhost:8180/read_toggle.cgi and
 again its giving 404 error. :(


 Are you listening to what you are told ?
 Did you read https://tomcat.apache.org/tomcat-7.0-doc/cgi-howto.html ?
 Did you understand it, and did you do all that is mentioned there ?

 To prove it, copy and paste here the content of your conf/web.xml file :
 -- start here --


 -- end here --




 On Fri, Jun 20, 2014 at 5:59 PM, Rahul R rahul.ra...@gmail.com wrote:

  Thanks Mark for your suggestion. But by privileged, did you mean to add
 an
 entry like below on context.xml?

 Context privileged=true
 /Context



 On Fri, Jun 20, 2014 at 5:46 PM, Mark Thomas ma...@apache.org wrote:

  On 20/06/2014 12:49, Rahul R wrote:

 Hi

  I am trying to migrate something which was working under apache to

 tomcat.

 I had an html form which takes user input values and pass those values

 and

 executes some cgi scripts. But when I moved html and cgi under tomcat,

 the

 html form is loading properly, but when I click submit, its giving 404
 error for the cgi execution.

 I have my html files under ROOT and cgi scripts under ROOT/WEB-INF/cgi
 Tomcat Version: 7.0.54

 And in my html form I have mentioned the cgi location as
 action='./WEB-INF/cgi/read_toggle.cgi'

 I followed the steps mentioned in the below url.


  http://www.wellho.net/solutions/java-running-cgi-
 scripts-in-apache-tomcat.html

 I don't see anything in the catalina.out or any other logs. Kindly me

 help

 to fix this issue.

 Try using the real Tomcat documentation rather than some random Google
 result that doesn't even bother to mention which version of Tomcat it
 was written for (hint: it wasn't written for Tomcat 7).

 Given how you have configured Tomcat, the behaviour you are seeing is
 exactly as expected. If you want your script to work with the minimum of
 changes you need to:
 - Make your web application privileged
 - Use action='./read_toggle.cgi'

 Mark

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 For additional commands, e-mail: users-h...@tomcat.apache.org



 --
 Thanks,
 Regards,
 Rahul R

   .~.
   /V\
  // \\
 /(   )\
  ^`~'^

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 ^`~'^

Mob: 09008030921

Unable to unpack war under webapps

[Rahul R]

Hi

I have put ROOT.war under webapps folder of tomcat. When I start the
instance I am getting the below error on catalina.out.

INFO: Deploying web application archive /opt/tomcat-proxy/webapps/ROOT.war
May 06, 2014 6:28:22 PM org.apache.catalina.startup.ContextConfig
beforeStart
SEVERE: Exception fixing docBase for context [/ROOT]
java.io.IOException: Unable to create the directory
[/opt/tomcat-proxy/webapps/ROOT]

I am not sure why this is happening. Checked the permissions on webapps
folder as well as the war file. Its 755.

P.S: I am able to use jar to unpack it manually under webapps.

Any help would be much appreciated.


-- 
Thanks,
Regards,
Rahul R

Re: Unable to unpack war under webapps

[Rahul R]

Thanks Daniel.. That clue helped... tomcat was running as a different user
and I tried to start using root.


On Tue, May 6, 2014 at 7:38 PM, Daniel Mikusa dmik...@gopivotal.com wrote:

 On May 6, 2014, at 9:25 AM, Rahul R rahul.ra...@gmail.com wrote:

  Hi
 
  I have put ROOT.war under webapps folder of tomcat. When I start the
  instance I am getting the below error on catalina.out.
 
  INFO: Deploying web application archive
 /opt/tomcat-proxy/webapps/ROOT.war
  May 06, 2014 6:28:22 PM org.apache.catalina.startup.ContextConfig
  beforeStart
  SEVERE: Exception fixing docBase for context [/ROOT]
  java.io.IOException: Unable to create the directory
  [/opt/tomcat-proxy/webapps/ROOT]
 
  I am not sure why this is happening. Checked the permissions on webapps
  folder as well as the war file. Its 755.
 
  P.S: I am able to use jar to unpack it manually under webapps.

 What about the owner of webapps?  Is that the same as the user you’re
 using to run Tomcat?  Can that user extract the files?

 Dan

 
  Any help would be much appreciated.
 
 
  --
  Thanks,
  Regards,
  Rahul R


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Regards,
Rahul R

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  /V\
 // \\
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 ^`~'^

Mob: 09008030921

Re: Async Context not timing out

[Rahul Kumar]

Hi Mark,

Thanks for the reply.

As I could understand from this bug
https://issues.apache.org/bugzilla/show_bug.cgi?id=53061 , and referring to
your comment Looking at the NIO source code, there is a test that
essentially means that timeouts only get processed after one second of
inactivity so under high, constant load, timeouts will never be processed. I
find it hard to believe it has always been like that so I'll need to go
back and research who changed it (probably me), when it changed (probably
the refactoring) and why it changed (probably an error on my part). I
should be able to get that done pretty quickly. *This has been fixed in
trunk and 7.0.x and will be included in 7.0.28 onwards. *, I assumed that
the frequency of the timeout check was reduced. But now that you're saying
that it is still there, using async timeout won't serve the purpose for me,
because the timeouts for me can be anything from 100 millis to 1
millis.  I think I should be using a timer thread or a HashWheeledTimer
instead!

Thank You!

-Rahul

PS: The async timeout works just fine with higher timeout and sleep values
for e.g. (a timeout of 1000 millis and a sleep of 4000 millis always
guarantees a timeout.



On Tue, May 14, 2013 at 2:16 AM, Mark Thomas ma...@apache.org wrote:

 On 13/05/2013 18:01, Rahul Kumar wrote:
  Hi All,
 
  I need some help with the async context timeout in servlet 3.0 running
  on tomcat 7.0.40.
 
  I have set the asynccontext timeout value, but the timeout behaviour is
  highly inconsistent. Sometimes the timeouts work, but most of the times
  they don't. I am attaching the source code and the output in plain text
  format.
 
  I have tried this on Tomcat 7.0.20, 7.0.37, 7.0.40. Nothing seems to
 help. Am i doing something wrong?

 Yes and no. You are making assumptions about how frequently timeouts are
 checked. Tomcat only checks them every second for APR/native and BIO.
 NIO always checks every second by default and may check more frequently
 when under low load.

 Mark

 
  Please help. Apologize if I am wasting your time! But I need to fix it.
 
  Thanks for your help!
 
  -Rahul
 
  /Meet AdIQuity at:/
  *Ad:Tech, Singapore *on 13th-14th June 2013
 
  /The information contained in this communication is intended solely for
  the use of the individual or entity to whom it is addressed and others
  authorized to receive it. This communication may contain confidential or
  legally privileged information. If you are not the intended recipient,
  any disclosure, copying, distribution or action taken relying on the
  contents is prohibited and may be unlawful. If you have received this
  communication in error, or if you or your employer does not consent to
  email messages of this kind, please notify to sender immediately by
  responding to this email and then delete it from your system. No
  liability is accepted for any harm that may be caused to your systems or
  data by this message./
 
 
 
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use of the individual or entity to whom it is addressed and others 
authorized to receive it. This communication may contain confidential or 
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this kind, please notify to sender immediately by responding to this email 
and then delete it from your system. No liability is accepted for any harm 
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Async Context not timing out

[Rahul Kumar]

Hi All,

I need some help with the async context timeout in servlet 3.0 running on
tomcat 7.0.40.

I have set the asynccontext timeout value, but the timeout behaviour is
highly inconsistent. Sometimes the timeouts work, but most of the times
they don't. I am attaching the source code and the output in plain text
format.

I have tried this on Tomcat 7.0.20, 7.0.37, 7.0.40. Nothing seems to
help. Am i doing something wrong?

Please help. Apologize if I am wasting your time! But I need to fix it.

Thanks for your help!

-Rahul

-- 
*Meet AdIQuity at:*
*Ad:Tech, Singapore *on 13th-14th June 2013

*The information contained in this communication is intended solely for the 
use of the individual or entity to whom it is addressed and others 
authorized to receive it. This communication may contain confidential or 
legally privileged information. If you are not the intended recipient, any 
disclosure, copying, distribution or action taken relying on the contents 
is prohibited and may be unlawful. If you have received this communication 
in error, or if you or your employer does not consent to email messages of 
this kind, please notify to sender immediately by responding to this email 
and then delete it from your system. No liability is accepted for any harm 
that may be caused to your systems or data by this message.*
@WebServlet(name = TestServlet, urlPatterns = {/test},asyncSupported = true)
public class TestServlet extends HttpServlet{

private static final long serialVersionUID = 1L;

private static PriorityBlockingQueueRunnable pq = new 
PriorityBlockingQueueRunnable(1000);

private static ThreadPoolExecutor threadPoolExecutor = new 
ThreadPoolExecutor(1,1,10, TimeUnit.SECONDS,pq);

public void service(final ServletRequest servletRequest, final 
ServletResponse response)
throws ServletException, IOException {
TestListener listener = new TestListener();
final AsyncContext asyncContext = 
servletRequest.startAsync(servletRequest, response);
asyncContext.addListener(listener);
asyncContext.setTimeout(100);
Handler handler = new Handler(asyncContext);
threadPoolExecutor.execute(handler);
}
}

### Handler class###


public class Handler implements Runnable {

private AsyncContext asyncContext;

public Handler(AsyncContext asyncContext){
this.asyncContext = asyncContext;
}
public void run(){
try {
long currtime = System.currentTimeMillis();
Thread.sleep(500);
System.out.println(slept for  + (System.currentTimeMillis() - 
currtime));
} catch (InterruptedException e) {
System.out.println(Error in thread );
}

try{
if(asyncContext != null){
System.out.println(Completing async context  +  timeout is  
+ asyncContext.getTimeout());
asyncContext.complete();
}
}catch (Exception e){
System.out.println(Exception in completing async context );
}
}
}

 Listener class 

public class TestListener implements AsyncListener {
public void onComplete(AsyncEvent event) throws IOException {
System.out.println(Event completed);
}

public void onError(AsyncEvent event) throws IOException {
event.getAsyncContext().complete();
}

public void onStartAsync(AsyncEvent event) throws IOException {
// TODO Auto-generated method stub
}



public void onTimeout(AsyncEvent event){
System.out.println(Timeout );
event.getAsyncContext().complete();
}
}


Execution 

[ops@root combinedlogs]$ time curl http://localhost:9001/mockresponse/test;

real0m0.506s
user0m0.001s
sys 0m0.003s
[ops@root combinedlogs]$ time curl http://localhost:9001/mockresponse/test;

real0m0.159s
user0m0.001s
sys 0m0.003s


Catalina logs

slept for 500
Completing async context  timeout is 100
Event completed

Timeout 
Event completed
slept for 500
Exception in completing async context
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Tomcat DBCP Logging

[Rahul Somasunderam]

Hi,

I'm running Tomcat 7.0.23. I've got a question about configuring the logging of 
DBCP Failures. 

I've go this in my context xml file.

Context docBase=/home/foo/war/ path=/foo reloadable=true
   Resource
   name=jdbc/hd/datasource
   auth=Container
   type=javax.sql.DataSource
   driverClassName=oracle.jdbc.OracleDriver
   url=jdbc:oracle:thin:@//localhost:1531/PROD
   username=foouser
   password=foopass
   /
/Context

When the username and password are correct, I have no trouble connecting and my 
application works as expected.
However when this is wrong, I get no indication of why it went wrong. I suppose 
Tomcat/DBCP is catching the exception and not logging it.
When I try from outside of tomcat using jdbc, I see Oracle returning a 
ORA-01017 error code and jdbc throwing an exception.

What must I do in the logging.properties to make tomcat log this?

R,
rahul

smime.p7s
Description: S/MIME cryptographic signature

Re: Tomcat DBCP Logging

[Rahul Somasunderam]

On Mar 6, 2013, at 11:26 AM, Daniel Mikusa dmik...@vmware.com wrote:

 On Mar 6, 2013, at 1:49 PM, Rahul Somasunderam wrote:
 
 Hi,
 
 I'm running Tomcat 7.0.23.
 
 This is getting pretty old, you might want to consider upgrading.

I will, but I don't think this has to do much with tomcat being old. I think 
it's with me having to configure the logging correctly.

 
 I've got a question about configuring the logging of DBCP Failures. 
 
 I've go this in my context xml file.
 
 Context docBase=/home/foo/war/ path=/foo reloadable=true
  Resource
  name=jdbc/hd/datasource
  auth=Container
  type=javax.sql.DataSource
  driverClassName=oracle.jdbc.OracleDriver
  url=jdbc:oracle:thin:@//localhost:1531/PROD
  username=foouser
  password=foopass
  /
 /Context
 
 When the username and password are correct, I have no trouble connecting and 
 my application works as expected.
 However when this is wrong, I get no indication of why it went wrong.
 
 When it's wrong what happens?  How are you testing for failure?  Are you 
 accessing a page in your app that requires the DB?

I'm testing this by changing the password in my context to be a wrong password. 
I'm looking at the startup logs and I see this in catalina.out

Mar 06, 2013 11:57:27 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
Mar 06, 2013 11:57:27 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/foo] startup failed due to previous errors

And this in localhost.date.log

Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: 
attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 
'org.apache.jasper.compiler.TldLocationsCache@1296dee6')
Mar 06, 2013 11:56:55 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log


 
 I suppose Tomcat/DBCP is catching the exception and not logging it.
 
 Hard to say for sure, but it's possible that DBCP may not even be connecting 
 to the Database.  The initialSize parameter defaults to 0, so on startup it 
 won't make any connections.  Maybe try setting initialSize to 1 and see 
 what happens.
 
  https://commons.apache.org/dbcp/configuration.html
 
 Dan
 
 When I try from outside of tomcat using jdbc, I see Oracle returning a 
 ORA-01017 error code and jdbc throwing an exception.
 
 What must I do in the logging.properties to make tomcat log this?
 
 R,
 rahul
 
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Description: S/MIME cryptographic signature

Re: Tomcat DBCP Logging

[Rahul Somasunderam]

Thanks Dan,

The initialSize brought the logs into my catalina.out.

R,
rahul

On Mar 6, 2013, at 2:21 PM, Daniel Mikusa dmik...@vmware.com wrote:

 On Mar 6, 2013, at 5:07 PM, Rahul Somasunderam wrote:
 
 
 On Mar 6, 2013, at 11:26 AM, Daniel Mikusa dmik...@vmware.com wrote:
 
 On Mar 6, 2013, at 1:49 PM, Rahul Somasunderam wrote:
 
 Hi,
 
 I'm running Tomcat 7.0.23.
 
 This is getting pretty old, you might want to consider upgrading.
 
 I will, but I don't think this has to do much with tomcat being old. I think 
 it's with me having to configure the logging correctly.
 
 You're right, this is not related to the issue at hand.  It's just a general 
 reminder :)
 
 
 
 I've got a question about configuring the logging of DBCP Failures. 
 
 I've go this in my context xml file.
 
 Context docBase=/home/foo/war/ path=/foo reloadable=true
 Resource
name=jdbc/hd/datasource
auth=Container
type=javax.sql.DataSource
driverClassName=oracle.jdbc.OracleDriver
url=jdbc:oracle:thin:@//localhost:1531/PROD
username=foouser
password=foopass
 /
 /Context
 
 When the username and password are correct, I have no trouble connecting 
 and my application works as expected.
 However when this is wrong, I get no indication of why it went wrong.
 
 When it's wrong what happens?  How are you testing for failure?  Are you 
 accessing a page in your app that requires the DB?
 
 I'm testing this by changing the password in my context to be a wrong 
 password. I'm looking at the startup logs and I see this in catalina.out
 
 Mar 06, 2013 11:57:27 AM org.apache.catalina.core.StandardContext 
 startInternal
 SEVERE: Error listenerStart
 Mar 06, 2013 11:57:27 AM org.apache.catalina.core.StandardContext 
 startInternal
 SEVERE: Context [/foo] startup failed due to previous errors
 
 Your application failed to start for some reason.  It appears that a listener 
 has failed.  You should check the other Tomcat log files and your application 
 log files for clues.
 
 
 And this in localhost.date.log
 
 Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
 INFO: ContextListener: contextInitialized()
 Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
 INFO: SessionListener: contextInitialized()
 Mar 06, 2013 10:13:17 AM org.apache.catalina.core.ApplicationContext log
 INFO: ContextListener: 
 attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 
 'org.apache.jasper.compiler.TldLocationsCache@1296dee6')
 Mar 06, 2013 11:56:55 AM org.apache.catalina.core.ApplicationContext log
 INFO: Initializing Spring root WebApplicationContext
 Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log
 INFO: ContextListener: contextInitialized()
 Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log
 INFO: SessionListener: contextInitialized()
 Mar 06, 2013 11:58:57 AM org.apache.catalina.core.ApplicationContext log
 
 Is this the entire localhost.-MM-DD.log file?  Given the SEVERE log in 
 catalina.out, I would have expected an exception here.
 
 Dan
 
 PS.  Have you tried setting the initialSize attribute on your Resource / 
 tag?  That should force DBCP to create a connection at startup and, if that 
 connection fails, it should log it.  I tested this in my Tomcat setup, with 
 an out-of-the-box logging configuration, and it worked fine.
 
 
 
 
 I suppose Tomcat/DBCP is catching the exception and not logging it.
 
 Hard to say for sure, but it's possible that DBCP may not even be 
 connecting to the Database.  The initialSize parameter defaults to 0, so 
 on startup it won't make any connections.  Maybe try setting initialSize 
 to 1 and see what happens.
 
 https://commons.apache.org/dbcp/configuration.html
 
 Dan
 
 When I try from outside of tomcat using jdbc, I see Oracle returning a 
 ORA-01017 error code and jdbc throwing an exception.
 
 What must I do in the logging.properties to make tomcat log this?
 
 R,
 rahul
 
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server.xml for ldap connection

[Rahul R]

Hi All,


This is the snippet from my server.xml of my tomcat which takes care of
ldap connection.

Realm className=org.apache.catalina.realm.JNDIRealm
debug=99
authentication=simple
referrals=follow
userSubtree=true
roleSubtree=true
*connectionName=GLOBAL\UserName*
*connectionPassword=Secret*
connectionURL=ldap://global.ad.myCompany.com:389;
userBase=dc=Global,dc=ad,dc=myCompany,dc=com
userSearch=(sAMAccountName={0})

roleBase=OU=Groups,OU=PROD,DC=Global,DC=ad,DC=myCompany,DC=com
roleName=cn
roleSearch=(amp;(objectClass=group)(member={0}))
 /

But I have different environments like development, qa, staging etc. Hence
the functional a/c which connects to the ldap changes accordingly. Is there
any way to use some variable which reads the username/password from a file?
So that who ever owns that environment can simply change the
username/password in that file. There is already a property file in the
conf folder of the tomcat which is used for taking some environment
specific values by a jsp file, which is under webapps folder. Can I make
use of that for having these values? It would be a great help if some one
can help me here.


Regards,
Rahul R

Re: Exclude url from authorized access-web.xml

[Rahul R]

How can I add an email id to auth instead of adding a whole group? Is that
possible? I don't want to give the access to all the members of the groups
in the AD. Following is the web.xml of my tomcat.

security-constraint
web-resource-collection
web-resource-nameProtected
Area/web-resource-name
url-pattern/*/url-pattern
/web-resource-collection

auth-constraint
--! These are the groups in AD --
role-nameEngineering/role- name
role-nameMigration Expert/role-name
role-nameDevelopers/role-name

/auth-constraint
/security-constraint

  security-constraint
   web-resource-collection
  url-pattern/update/*/url-pattern
   /web-resource-collection
  /security-constraint

login-config
auth-methodBASIC/auth-method
realm-nameServices Portal/realm-name
/login-config


On Thu, Jun 14, 2012 at 8:00 PM, Pid p...@pidster.com wrote:

 On 14/06/2012 15:06, Rahul R wrote:
  Hi All,
 
  I have an issue with allowing access to a page which is secured using
  active directory authentication. I want some pages/content to be excluded
  from this. Following is my web.xml file under conf of tomcat.
 
 
  [code=java]
 
  security-constraint
  web-resource-collection
  web-resource-nameProtected
  Area/web-resource-name
  url-pattern/*/url-pattern
  /web-resource-collection
 
  auth-constraint
  --! These are the groups in AD --
  role-nameEngineering/role-
  name
  role-nameMigration Expert/role-name
  role-nameDevelopers/role-name
 
  /auth-constraint
  /security-constraint
 
security-constraint
 web-resource-collection
url-pattern/update/*/url-pattern
 /web-resource-collection
/security-constraint
 
  login-config
  auth-methodBASIC/auth-method
  realm-nameServices Portal/realm-name
  /login-config
 
  [/code]
 
  As per my understanding, this should allow url's with a content update
  and allow other pages only with AD credentials. But this is not working
 for
  me now. Its asking for the credentials even for the url with update.
 
  Tomcat Version:7
  Env:Linux
  Url:http://myserver.com:8080/solar/index.jsp. Here its asking the
  credentials, its fine and as expected.
 
  url with update in the address:
 http://myserver.com:8080/solar/site/update.
  When I access this url, its still asking for the credentials.

 This:
  /solar/site/update

 does not match this pattern:
  url-pattern/update/*/url-pattern


 the pattern would have to be:
  url-pattern/site/update/*/url-pattern


 p

  I am not really sure why this is happening. Could anyone here can help me
  on this?
 
 


 --

 [key:62590808]




-- 
Thanks,
Regards,
Rahul R

  .~.
  /V\
 // \\
/(   )\
 ^`~'^

Mob: 09008030921

Exclude url from authorized access-web.xml

[Rahul R]

Hi All,

I have an issue with allowing access to a page which is secured using
active directory authentication. I want some pages/content to be excluded
from this. Following is my web.xml file under conf of tomcat.


[code=java]

security-constraint
web-resource-collection
web-resource-nameProtected
Area/web-resource-name
url-pattern/*/url-pattern
/web-resource-collection

auth-constraint
--! These are the groups in AD --
role-nameEngineering/role-
name
role-nameMigration Expert/role-name
role-nameDevelopers/role-name

/auth-constraint
/security-constraint

  security-constraint
   web-resource-collection
  url-pattern/update/*/url-pattern
   /web-resource-collection
  /security-constraint

login-config
auth-methodBASIC/auth-method
realm-nameServices Portal/realm-name
/login-config

[/code]

As per my understanding, this should allow url's with a content update
and allow other pages only with AD credentials. But this is not working for
me now. Its asking for the credentials even for the url with update.

Tomcat Version:7
Env:Linux
Url:http://myserver.com:8080/solar/index.jsp. Here its asking the
credentials, its fine and as expected.

url with update in the address: http://myserver.com:8080/solar/site/update.
When I access this url, its still asking for the credentials.

I am not really sure why this is happening. Could anyone here can help me
on this?


-- 
Thanks,
Regards,
Rahul R

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Yes

On Sat, Apr 16, 2011 at 8:44 PM, Pid p...@pidster.com wrote:

 On 4/15/11 6:58 PM, RAHUL RAJ wrote:
  This is like a small assignment that has to be submitted urgently

 Is this student coursework?


 p

Working of Tomcat with MS Access

[RAHUL RAJ]

Hello,
 I am working on  building a jsp website with MS Access as
database. When my login page is loaded on tomcat
(localhost:8080/login.jsp), it shows the following error:

java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source
name not found and no default driver specified.

The jdbc program alone is working perfectly, So There might not be
problems due to  Driver, Data source name, Database Tables or any
other software version compatibilities.

OS: Windows Vista Home Basic
Tomcat Version: 5.5.x
jdk version: 1.6
MS Access 2010


code is given below:

%@ page language=java import=java.sql.* %
 html
 body
 form method=post
 p Enter your username :  input type=text name=username/ /p
 p Enter your password :  input type=text name=password/ /p
 input type=submit value=Login/
 %
String usn = request.getParameter(username);
String pass = request.getParameter(password);

try{
 Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
 String url = jdbc:odbc:rahul;
 Connection con = DriverManager.getConnection(url, , );
 Statement s = con.createStatement();

 ResultSet rs = s.executeQuery(select * from customers);
 while(rs.next())
 {
   String u = rs.getString(1);
   String p = rs.getString(2);
   if(usn.equals(u)  pass.equals(p))
   {
  out.println(login successfull);
  }
   else
   {
  out.println(login failed);
 }
   }
}

catch(Exception e)
{
   out.println(Error+e);
   }

 %
 /form
 /body
 /html

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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

I know my code is not perfect.
But I just want to resolve this error now. Can u say how to solve
this? pls answer to the question.have u read my message
completely?

On 4/15/11, Mikolaj Rydzewski m...@ceti.pl wrote:

  On Fri, 15 Apr 2011 15:34:37 +0530, RAHUL RAJ omrahulraj...@gmail.com
  wrote:

  I am working on  building a jsp website with MS Access as
 database.

  I usually do not express my opinions about others code, but your is
  really the worst code sample I have ever seen...
  I know that everyone has its time to begin. But please use some good
  book to start with.

  1. use newer tomcat
  2. do not mix code and html
  3. instantiate jdbc driver once
  4. close jdbc connections (within finally block) after use
  5. use where sql clause
  6. use better database
  7. perform usernamepassword check only after form submission
  8. use any framework/library to wrap jdbc calls
  9. 

 --
  Mikolaj Rydzewski m...@ceti.pl

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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

The code I gave is just a sample code, it might change afterwards..but
before that, I need to resolve this error, sorry for your
inconvenience...

On 4/15/11, RAHUL RAJ omrahulraj...@gmail.com wrote:
 I know my code is not perfect.
 But I just want to resolve this error now. Can u say how to solve
 this? pls answer to the question.have u read my message
 completely?

 On 4/15/11, Mikolaj Rydzewski m...@ceti.pl wrote:

  On Fri, 15 Apr 2011 15:34:37 +0530, RAHUL RAJ omrahulraj...@gmail.com
  wrote:

  I am working on  building a jsp website with MS Access as
 database.

  I usually do not express my opinions about others code, but your is
  really the worst code sample I have ever seen...
  I know that everyone has its time to begin. But please use some good
  book to start with.

  1. use newer tomcat
  2. do not mix code and html
  3. instantiate jdbc driver once
  4. close jdbc connections (within finally block) after use
  5. use where sql clause
  6. use better database
  7. perform usernamepassword check only after form submission
  8. use any framework/library to wrap jdbc calls
  9. 

 --
  Mikolaj Rydzewski m...@ceti.pl

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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

I got communications exception when I did this with mysql...and no one knows
the reason perfectly...no response from mysql forum too...

On Fri, Apr 15, 2011 at 9:08 PM, Troy troylparr...@aol.com wrote:

 Raj;

 To all reading this response, this is my first response on this list so if
 I get it a little wrong have patience.

 You may want to look at the light weight RDBMS mysql.  It is free, easily
 installed and can be utilized with the companion Workbench to make dealing
 with the db very easy, a lot like the access interface.  You will have good
 driver support from the java end as well and a lot of documentation and
 tutorials to get you connected in your web app to your persistence layer.

 mysql.com

 Just my two cents and an attempt to give back a little to the community.

 Troy










 -Original Message-
 From: RAHUL RAJ omrahulraj...@gmail.com
 To: users users@tomcat.apache.org
 Sent: Fri, Apr 15, 2011 6:05 am
 Subject: Working of Tomcat with MS Access


 Hello,

 I am working on  building a jsp website with MS Access as

 database. When my login page is loaded on tomcat

 (localhost:8080/login.jsp), it shows the following error:



 java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source

 name not found and no default driver specified.



 The jdbc program alone is working perfectly, So There might not be

 problems due to  Driver, Data source name, Database Tables or any

 other software version compatibilities.



 OS: Windows Vista Home Basic

 Tomcat Version: 5.5.x

 jdk version: 1.6

 MS Access 2010





 code is given below:



 %@ page language=java import=java.sql.* %

  html

  body

  form method=post

  p Enter your username :  input type=text name=username/ /p

  p Enter your password :  input type=text name=password/ /p

  input type=submit value=Login/

  %

String usn = request.getParameter(username);

String pass = request.getParameter(password);



try{

 Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);

 String url = jdbc:odbc:rahul;

 Connection con = DriverManager.getConnection(url, , );

 Statement s = con.createStatement();



 ResultSet rs = s.executeQuery(select * from customers);

 while(rs.next())

 {

   String u = rs.getString(1);

   String p = rs.getString(2);

   if(usn.equals(u)  pass.equals(p))

   {

  out.println(login successfull);

  }

   else

   {

  out.println(login failed);

 }

   }

}



catch(Exception e)

{

   out.println(Error+e);

   }



  %

  /form

  /body

  /html



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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Yes I already did , that  you might think I should. Now I am trying with MS
ACCESS...and new error came : SQLException: general error
I didn't found any error in my  sql syntax or jdbc code. jdbc code alone is
working perfectly..

On Fri, Apr 15, 2011 at 9:02 PM, Angel Java Lopez ajlopez2...@gmail.comwrote:

 One question:

 You should have an ODBC declaration named rahul. It is declared for your
 user, or as a system odbc name? My guess, your Tomcat is running as a
 service, or under other user (not your user), and ODBC rahul Data Source
 name is only for your user.

 Is it the case?

 Did you solve the problem? How?

 Angel Java Lopez
 http://www.ajlopez.com
 http://twitter.com/ajlopez

 On Fri, Apr 15, 2011 at 7:04 AM, RAHUL RAJ omrahulraj...@gmail.com
 wrote:

  Hello,
  I am working on  building a jsp website with MS Access as
  database. When my login page is loaded on tomcat
  (localhost:8080/login.jsp), it shows the following error:
 
  java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source
  name not found and no default driver specified.
 
  The jdbc program alone is working perfectly, So There might not be
  problems due to  Driver, Data source name, Database Tables or any
  other software version compatibilities.
 
  OS: Windows Vista Home Basic
  Tomcat Version: 5.5.x
  jdk version: 1.6
  MS Access 2010
 
 
  code is given below:
 
  %@ page language=java import=java.sql.* %
   html
   body
   form method=post
   p Enter your username :  input type=text name=username/ /p
   p Enter your password :  input type=text name=password/ /p
   input type=submit value=Login/
   %
 String usn = request.getParameter(username);
 String pass = request.getParameter(password);
 
 try{
  Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
  String url = jdbc:odbc:rahul;
  Connection con = DriverManager.getConnection(url, ,
 );
  Statement s = con.createStatement();
 
  ResultSet rs = s.executeQuery(select * from customers);
  while(rs.next())
  {
String u = rs.getString(1);
String p = rs.getString(2);
if(usn.equals(u)  pass.equals(p))
{
   out.println(login successfull);
   }
else
{
   out.println(login failed);
  }
}
 }
 
 catch(Exception e)
 {
out.println(Error+e);
}
 
   %
   /form
   /body
   /html
 
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  To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
  For additional commands, e-mail: users-h...@tomcat.apache.org
 
 

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Since I am a beginner, I have to start with some trial projects, right? I
know this is nothing! and help me...pls answer to the question..

On Fri, Apr 15, 2011 at 8:41 PM, Jeff Hubbs jhubbsl...@att.net wrote:

 You do realize, I hope, that what you're proposing is akin to sourcing
 parts for your jet engine from Fisher-Price?

 IMHO MS Access is not and never has been useful as a professional database
 product.  I'm not even sure if what you are proposing even holds up in the
 looking-through-binoculars-from-the-big-end sense.

 MS Access is a desktop application that accesses files on disk.  Java apps
 running on Tomcat typically access an RDBMS over a network connection via
 SQL statements and their responses.  AFAIK there is not a server
 instantiation of MS Access; in fact, part of the whole point of MS Access
 as an ongoing product is that it acts as a gateway drug to MS' SQL Server
 product, the transition to which would be triggered by the inherent
 limitations (and, in my past experience, persistent unaddressed bugs) of
 Access.

 I think you need to back up a bit and work toward getting your data
 liberated from MS Access and ported into a proper RDBMS like PostgreSQL or
 one of MS SQL Server, Oracle, IBM DB2, etc. if you feel that money must be
 continually spent on software licenses for such.  Then you will be facing
 Java apps and Tomcat in a far more conventional way.

 So, to sum up this and earlier responses: 1) Learn to code Java 2)
 Understand real RDBMSses.

 - Jeff


 On 4/15/11 6:04 AM, RAHUL RAJ wrote:

 Hello,
  I am working on  building a jsp website with MS Access as
 database. When my login page is loaded on tomcat
 (localhost:8080/login.jsp), it shows the following error:

 java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source
 name not found and no default driver specified.

 The jdbc program alone is working perfectly, So There might not be
 problems due to  Driver, Data source name, Database Tables or any
 other software version compatibilities.

 OS: Windows Vista Home Basic
 Tomcat Version: 5.5.x
 jdk version: 1.6
 MS Access 2010


 code is given below:

 %@ page language=java import=java.sql.* %
  html
  body
  form method=post
  p  Enter your username :input type=text name=username/  /p
  p  Enter your password :input type=text name=password/  /p
  input type=submit value=Login/
  %
 String usn = request.getParameter(username);
String pass = request.getParameter(password);

try{
 Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
 String url = jdbc:odbc:rahul;
 Connection con = DriverManager.getConnection(url, , );
 Statement s = con.createStatement();

 ResultSet rs = s.executeQuery(select * from customers);
 while(rs.next())
 {
   String u = rs.getString(1);
   String p = rs.getString(2);
   if(usn.equals(u)  pass.equals(p))
   {
  out.println(login successfull);
  }
   else
{
   out.println(login failed);
  }
}
 }

catch(Exception e)
{
   out.println(Error+e);
   }

  %
  /form
  /body
  /html

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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Yes, it runs as a service. But how to know under what account does that
service run? does it mean 'admin' or 'normal user' or 'system'?
I made a system DSN for this...not the user DSN(Data Source Name)
and I launched tomcat service by right click 'run as admin'

On Fri, Apr 15, 2011 at 11:09 PM, Leo Donahue - PLANDEVX 
leodona...@mail.maricopa.gov wrote:


 -Original Message-
 From: RAHUL RAJ [mailto:omrahulraj...@gmail.com]
 Sent: Friday, April 15, 2011 10:35 AM
 To: Tomcat Users List
 Subject: Re: Working of Tomcat with MS Access
 
 Since I am a beginner, I have to start with some trial projects, right?
 I
 know this is nothing! and help me...pls answer to the question..
 

 Mikolaj gave you a hint already.

 If your Tomcat runs as a service, under what account does that service run?
  Does that account have access to your mdb?

 Did you create a user or system datasource on your computer with the name:
 rahul

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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

ya...I did the same thing  you told in mysql...but communications Exception
occured..
This is like a small assignment that has to be submitted urgently..so I have
to run away from the error! and tried with MS ACCESS.
The jdbc program for access works perfect alone..

On Fri, Apr 15, 2011 at 11:19 PM, Troy troylparr...@aol.com wrote:

 Raj,

 I think everyone is saying to take a look at this syntax:


 String url = jdbc:odbc:rahul;
 Connection con = DriverManager.getConnection(url, , );


 I know that when I make this type of simple jdbc connection in mysql the
 syntax is:

 String url = jdbc:mysql://localhost/dbName;
 Connection conn = DriverManager.getConnection(url, , );

 Troy










 -Original Message-
 From: RAHUL RAJ omrahulraj...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Fri, Apr 15, 2011 1:31 pm
 Subject: Re: Working of Tomcat with MS Access


 I got communications exception when I did this with mysql...and no one
 knows

 the reason perfectly...no response from mysql forum too...



 On Fri, Apr 15, 2011 at 9:08 PM, Troy troylparr...@aol.com wrote:



  Raj;

 

  To all reading this response, this is my first response on this list so
 if

  I get it a little wrong have patience.

 

  You may want to look at the light weight RDBMS mysql.  It is free, easily

  installed and can be utilized with the companion Workbench to make
 dealing

  with the db very easy, a lot like the access interface.  You will have
 good

  driver support from the java end as well and a lot of documentation and

  tutorials to get you connected in your web app to your persistence layer.

 

  mysql.com

 

  Just my two cents and an attempt to give back a little to the community.

 

  Troy

 

 

 

 

 

 

 

 

 

 

  -Original Message-

  From: RAHUL RAJ omrahulraj...@gmail.com

  To: users users@tomcat.apache.org

  Sent: Fri, Apr 15, 2011 6:05 am

  Subject: Working of Tomcat with MS Access

 

 

  Hello,

 

  I am working on  building a jsp website with MS Access as

 

  database. When my login page is loaded on tomcat

 

  (localhost:8080/login.jsp), it shows the following error:

 

 

 

  java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source

 

  name not found and no default driver specified.

 

 

 

  The jdbc program alone is working perfectly, So There might not be

 

  problems due to  Driver, Data source name, Database Tables or any

 

  other software version compatibilities.

 

 

 

  OS: Windows Vista Home Basic

 

  Tomcat Version: 5.5.x

 

  jdk version: 1.6

 

  MS Access 2010

 

 

 

 

 

  code is given below:

 

 

 

  %@ page language=java import=java.sql.* %

 

   html

 

   body

 

   form method=post

 

   p Enter your username :  input type=text name=username/ /p

 

   p Enter your password :  input type=text name=password/ /p

 

   input type=submit value=Login/

 

   %

 

 String usn = request.getParameter(username);

 

 String pass = request.getParameter(password);

 

 

 

 try{

 

  Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);

 

  String url = jdbc:odbc:rahul;

 

  Connection con = DriverManager.getConnection(url, ,
 );

 

  Statement s = con.createStatement();

 

 

 

  ResultSet rs = s.executeQuery(select * from customers);

 

  while(rs.next())

 

  {

 

String u = rs.getString(1);

 

String p = rs.getString(2);

 

if(usn.equals(u)  pass.equals(p))

 

{

 

   out.println(login successfull);

 

   }

 

else

 

{

 

   out.println(login failed);

 

  }

 

}

 

 }

 

 

 

 catch(Exception e)

 

 {

 

out.println(Error+e);

 

}

 

 

 

   %

 

   /form

 

   /body

 

   /html

 

 

 

  -

 

  To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org

 

  For additional commands, e-mail: users-h...@tomcat.apache.org

 

 

 

 

 

 

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

No I am in Windows mode.

On Fri, Apr 15, 2011 at 11:26 PM, Propes, Barry L
barry.l.pro...@citi.comwrote:

 Jeff has some really good points here, Rahul.

 I'm a guy who spent several years doing ASP development with both MS Access
 and SQL Server over the web before getting into Java.
 Even still, I didn't fathom trying to mess with MS Access with Java when I
 was making that transition. I started with mySQL on my Windows desktop to
 get started, but when I got access to our Oracle servers, went that route.

 Like Jeff says, you can do this basically for no cost using both Tomcat and
 mySQL.

 Sure, it's command line, unlike MS Access, but you shouldn't have too much
 trouble with it. Jeff, if he's using MS Access, he's probably not on Linux,
 is he?


 -Original Message-
 From: Jeff Hubbs [mailto:jhubbsl...@att.net]
 Sent: Friday, April 15, 2011 12:46 PM
 To: Tomcat Users List
 Subject: Re: Working of Tomcat with MS Access

 A beginner needs to at least begin with workable platforms and software.
  PostgreSQL on Linux has a total software license cost of $0.00; your
 barrier to entry with inappropriate software is considerably higher.

 On 4/15/11 1:35 PM, RAHUL RAJ wrote:
  Since I am a beginner, I have to start with some trial projects,
  right? I know this is nothing! and help me...pls answer to the
 question..
 
  On Fri, Apr 15, 2011 at 8:41 PM, Jeff Hubbsjhubbsl...@att.net  wrote:
 
  You do realize, I hope, that what you're proposing is akin to
  sourcing parts for your jet engine from Fisher-Price?
 
  IMHO MS Access is not and never has been useful as a professional
  database product.  I'm not even sure if what you are proposing even
  holds up in the looking-through-binoculars-from-the-big-end sense.
 
  MS Access is a desktop application that accesses files on disk.  Java
  apps running on Tomcat typically access an RDBMS over a network
  connection via SQL statements and their responses.  AFAIK there is
  not a server instantiation of MS Access; in fact, part of the whole
  point of MS Access as an ongoing product is that it acts as a
  gateway drug to MS' SQL Server product, the transition to which
  would be triggered by the inherent limitations (and, in my past
  experience, persistent unaddressed bugs) of Access.
 
  I think you need to back up a bit and work toward getting your data
  liberated from MS Access and ported into a proper RDBMS like
  PostgreSQL or one of MS SQL Server, Oracle, IBM DB2, etc. if you feel
  that money must be continually spent on software licenses for such.
  Then you will be facing Java apps and Tomcat in a far more conventional
 way.
 
  So, to sum up this and earlier responses: 1) Learn to code Java 2)
  Understand real RDBMSses.
 
  - Jeff
 
 
  On 4/15/11 6:04 AM, RAHUL RAJ wrote:
 
  Hello,
I am working on  building a jsp website with MS Access as
  database. When my login page is loaded on tomcat
  (localhost:8080/login.jsp), it shows the following error:
 
  java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source
  name not found and no default driver specified.
 
  The jdbc program alone is working perfectly, So There might not be
  problems due to  Driver, Data source name, Database Tables or any
  other software version compatibilities.
 
  OS: Windows Vista Home Basic
  Tomcat Version: 5.5.x
  jdk version: 1.6
  MS Access 2010
 
 
  code is given below:
 
  %@ page language=java import=java.sql.* %
html
body
form method=post
p   Enter your username :input type=text name=username/
 /p
p   Enter your password :input type=text name=password/
 /p
input type=submit value=Login/
%
   String usn = request.getParameter(username);
  String pass = request.getParameter(password);
 
  try{
   Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
   String url = jdbc:odbc:rahul;
   Connection con = DriverManager.getConnection(url, ,
 );
   Statement s = con.createStatement();
 
   ResultSet rs = s.executeQuery(select * from
 customers);
   while(rs.next())
   {
 String u = rs.getString(1);
 String p = rs.getString(2);
 if(usn.equals(u)   pass.equals(p))
 {
out.println(login successfull);
}
 else
  {
 out.println(login failed);
}
  }
   }
 
  catch(Exception e)
  {
 out.println(Error+e);
 }
 
%
/form
/body
/html
 
  
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  For additional commands, e-mail: users-h...@tomcat.apache.org

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

running 'tomcat as standalone java program'? can u explain for me sir?

2011/4/15 Mikolaj Rydzewski m...@ceti.pl

 RAHUL RAJ wrote:

 This is like a small assignment that has to be submitted urgently..so I
 have
 to run away from the error! and tried with MS ACCESS.
 The jdbc program for access works perfect alone..


 So run tomcat as a 'standalone' java program - that means not as a service.


 --
 Mikolaj Rydzewski m...@ceti.pl


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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Thank you very much for your help! When I did with mysql, the corresponding
jdbc driver is stored in /webapps/ROOT/lib directory in tomcat.

On Fri, Apr 15, 2011 at 11:56 PM, Troy troylparr...@aol.com wrote:

 I wrote a quick little jsp to access one of my db (a mysql)


 %@page contentType=text/html pageEncoding=UTF-8%
 %@page import=java.sql.* %
 !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN
   http://www.w3.org/TR/html4/loose.dtd;

 html
head
meta http-equiv=Content-Type content=text/html; charset=UTF-8
titleTest Connection/title
/head
body

%
String name = ;
Class.forName(com.mysql.jdbc.Driver);
Connection conn =
 DriverManager.getConnection(jdbc:mysql://localhost/dbName, ,
 XX);
Statement stmt = conn.createStatement();
String query = select * from friends where id='1';
ResultSet rs = stmt.executeQuery(query);
while(rs.next()){
 name = rs.getString(3);
}

 %

 %= name %

/body
 /html

 Worked like expected.  I know this is not a java thread . . . but still
 trying to help since it is a time sensitive matter.
 Silly question, but are your jdbc drivers added to your library for the web
 app?  I make this mistake ALL the time.

 Troy










 -Original Message-
 From: RAHUL RAJ omrahulraj...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Fri, Apr 15, 2011 1:59 pm
 Subject: Re: Working of Tomcat with MS Access


 ya...I did the same thing  you told in mysql...but communications Exception

 occured..

 This is like a small assignment that has to be submitted urgently..so I
 have

 to run away from the error! and tried with MS ACCESS.

 The jdbc program for access works perfect alone..



 On Fri, Apr 15, 2011 at 11:19 PM, Troy troylparr...@aol.com wrote:



  Raj,

 

  I think everyone is saying to take a look at this syntax:

 

 

  String url = jdbc:odbc:rahul;

  Connection con = DriverManager.getConnection(url, ,
 );

 

 

  I know that when I make this type of simple jdbc connection in mysql the

  syntax is:

 

  String url = jdbc:mysql://localhost/dbName;

  Connection conn = DriverManager.getConnection(url, , );

 

  Troy

 

 

 

 

 

 

 

 

 

 

  -Original Message-

  From: RAHUL RAJ omrahulraj...@gmail.com

  To: Tomcat Users List users@tomcat.apache.org

  Sent: Fri, Apr 15, 2011 1:31 pm

  Subject: Re: Working of Tomcat with MS Access

 

 

  I got communications exception when I did this with mysql...and no one

  knows

 

  the reason perfectly...no response from mysql forum too...

 

 

 

  On Fri, Apr 15, 2011 at 9:08 PM, Troy troylparr...@aol.com wrote:

 

 

 

   Raj;

 

  

 

   To all reading this response, this is my first response on this list so

  if

 

   I get it a little wrong have patience.

 

  

 

   You may want to look at the light weight RDBMS mysql.  It is free,
 easily

 

   installed and can be utilized with the companion Workbench to make

  dealing

 

   with the db very easy, a lot like the access interface.  You will have

  good

 

   driver support from the java end as well and a lot of documentation and

 

   tutorials to get you connected in your web app to your persistence
 layer.

 

  

 

   mysql.com

 

  

 

   Just my two cents and an attempt to give back a little to the
 community.

 

  

 

   Troy

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

   -Original Message-

 

   From: RAHUL RAJ omrahulraj...@gmail.com

 

   To: users users@tomcat.apache.org

 

   Sent: Fri, Apr 15, 2011 6:05 am

 

   Subject: Working of Tomcat with MS Access

 

  

 

  

 

   Hello,

 

  

 

   I am working on  building a jsp website with MS Access as

 

  

 

   database. When my login page is loaded on tomcat

 

  

 

   (localhost:8080/login.jsp), it shows the following error:

 

  

 

  

 

  

 

   java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source

 

  

 

   name not found and no default driver specified.

 

  

 

  

 

  

 

   The jdbc program alone is working perfectly, So There might not be

 

  

 

   problems due to  Driver, Data source name, Database Tables or any

 

  

 

   other software version compatibilities.

 

  

 

  

 

  

 

   OS: Windows Vista Home Basic

 

  

 

   Tomcat Version: 5.5.x

 

  

 

   jdk version: 1.6

 

  

 

   MS Access 2010

 

  

 

  

 

  

 

  

 

  

 

   code is given below:

 

  

 

  

 

  

 

   %@ page language=java import=java.sql.* %

 

  

 

html

 

  

 

body

 

  

 

form method=post

 

  

 

p Enter your username :  input type=text name=username/ /p

 

  

 

p Enter your password :  input type=text name=password/ /p

 

  

 

input type=submit value=Login/

 

  

 

%

 

  

 

  String usn = request.getParameter(username);

 

  

 

  String pass

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

Yes of course...I did the same...then what to do with this error? Remember
that Now I am working in ACCESS. code is not much different...

On Sat, Apr 16, 2011 at 12:10 AM, Troy troylparr...@aol.com wrote:

 I believe the drivers should be located in: YourApp/WEB-INF/lib/


 Troy








 -Original Message-
 From: RAHUL RAJ omrahulraj...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Fri, Apr 15, 2011 2:35 pm
 Subject: Re: Working of Tomcat with MS Access


 Thank you very much for your help! When I did with mysql, the corresponding

 jdbc driver is stored in /webapps/ROOT/lib directory in tomcat.



 On Fri, Apr 15, 2011 at 11:56 PM, Troy troylparr...@aol.com wrote:



  I wrote a quick little jsp to access one of my db (a mysql)

 

 

  %@page contentType=text/html pageEncoding=UTF-8%

  %@page import=java.sql.* %

  !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN

http://www.w3.org/TR/html4/loose.dtd;

 

  html

 head

 meta http-equiv=Content-Type content=text/html;
 charset=UTF-8

 titleTest Connection/title

 /head

 body

 

 %

 String name = ;

 Class.forName(com.mysql.jdbc.Driver);

 Connection conn =

  DriverManager.getConnection(jdbc:mysql://localhost/dbName, ,

  XX);

 Statement stmt = conn.createStatement();

 String query = select * from friends where id='1';

 ResultSet rs = stmt.executeQuery(query);

 while(rs.next()){

  name = rs.getString(3);

 }

 

  %

 

  %= name %

 

 /body

  /html

 

  Worked like expected.  I know this is not a java thread . . . but still

  trying to help since it is a time sensitive matter.

  Silly question, but are your jdbc drivers added to your library for the
 web

  app?  I make this mistake ALL the time.

 

  Troy

 

 

 

 

 

 

 

 

 

 

  -Original Message-

  From: RAHUL RAJ omrahulraj...@gmail.com

  To: Tomcat Users List users@tomcat.apache.org

  Sent: Fri, Apr 15, 2011 1:59 pm

  Subject: Re: Working of Tomcat with MS Access

 

 

  ya...I did the same thing  you told in mysql...but communications
 Exception

 

  occured..

 

  This is like a small assignment that has to be submitted urgently..so I

  have

 

  to run away from the error! and tried with MS ACCESS.

 

  The jdbc program for access works perfect alone..

 

 

 

  On Fri, Apr 15, 2011 at 11:19 PM, Troy troylparr...@aol.com wrote:

 

 

 

   Raj,

 

  

 

   I think everyone is saying to take a look at this syntax:

 

  

 

  

 

   String url = jdbc:odbc:rahul;

 

   Connection con = DriverManager.getConnection(url, ,

  );

 

  

 

  

 

   I know that when I make this type of simple jdbc connection in mysql
 the

 

   syntax is:

 

  

 

   String url = jdbc:mysql://localhost/dbName;

 

   Connection conn = DriverManager.getConnection(url, , );

 

  

 

   Troy

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

   -Original Message-

 

   From: RAHUL RAJ omrahulraj...@gmail.com

 

   To: Tomcat Users List users@tomcat.apache.org

 

   Sent: Fri, Apr 15, 2011 1:31 pm

 

   Subject: Re: Working of Tomcat with MS Access

 

  

 

  

 

   I got communications exception when I did this with mysql...and no one

 

   knows

 

  

 

   the reason perfectly...no response from mysql forum too...

 

  

 

  

 

  

 

   On Fri, Apr 15, 2011 at 9:08 PM, Troy troylparr...@aol.com wrote:

 

  

 

  

 

  

 

Raj;

 

  

 

   

 

  

 

To all reading this response, this is my first response on this list
 so

 

   if

 

  

 

I get it a little wrong have patience.

 

  

 

   

 

  

 

You may want to look at the light weight RDBMS mysql.  It is free,

  easily

 

  

 

installed and can be utilized with the companion Workbench to make

 

   dealing

 

  

 

with the db very easy, a lot like the access interface.  You will
 have

 

   good

 

  

 

driver support from the java end as well and a lot of documentation
 and

 

  

 

tutorials to get you connected in your web app to your persistence

  layer.

 

  

 

   

 

  

 

mysql.com

 

  

 

   

 

  

 

Just my two cents and an attempt to give back a little to the

  community.

 

  

 

   

 

  

 

Troy

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

   

 

  

 

-Original Message-

 

  

 

From: RAHUL RAJ omrahulraj...@gmail.com

 

  

 

To: users users@tomcat.apache.org

 

  

 

Sent: Fri, Apr 15, 2011 6:05 am

 

  

 

Subject: Working of Tomcat with MS Access

 

  

 

   

 

  

 

   

 

  

 

Hello,

 

  

 

   

 

  

 

I am working on  building a jsp website with MS Access as

 

  

 

   

 

  

 

database. When my login page

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

There is no startup.bat file in the directory u specified.

In my system the directory path is
C:\Program Files\Apache Software Foundation\Tomcat 5.5\bin


On Sat, Apr 16, 2011 at 12:14 AM, Angel Java Lopez ajlopez2...@gmail.comwrote:

 Rahul:

 Stop tomcat as a service.
 Go to /tomcatdir/bin
 Run startup.bat
 Try your app again.

 Only to discard user account/access problems.

 On Fri, Apr 15, 2011 at 3:13 PM, RAHUL RAJ omrahulraj...@gmail.com
 wrote:

  running 'tomcat as standalone java program'? can u explain for me sir?
 
  2011/4/15 Mikolaj Rydzewski m...@ceti.pl
 
   RAHUL RAJ wrote:
  
   This is like a small assignment that has to be submitted urgently..so
 I
   have
   to run away from the error! and tried with MS ACCESS.
   The jdbc program for access works perfect alone..
  
  
   So run tomcat as a 'standalone' java program - that means not as a
  service.
  
  
   --
   Mikolaj Rydzewski m...@ceti.pl
  
  
   -
   To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
   For additional commands, e-mail: users-h...@tomcat.apache.org
  
  
 

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

you said:

You need to change that account to one that has access to your mdb.  You
can do that through the Services console.  Or try starting Tomcat via the
startup.bat file, that should launch Tomcat with the same account you've
logged into your system with, which hopefully is the same account you need
to for Access.


I don't know how to do these...Can you explain for me? Also startup.bat is
not there in the specified directory.

On Sat, Apr 16, 2011 at 1:48 AM, Leo Donahue - PLANDEVX 
leodona...@mail.maricopa.gov wrote:

 -Original Message-
 From: RAHUL RAJ [mailto:omrahulraj...@gmail.com]
 Subject: Re: Working of Tomcat with MS Access
 
 Yes, it runs as a service. But how to know under what account does that
 service run? does it mean 'admin' or 'normal user' or 'system'?
 I made a system DSN for this...not the user DSN(Data Source Name)
 and I launched tomcat service by right click 'run as admin'

 I'm really surprised you have had as many responses to this thread as
 you've had.

 Assuming you have Tomcat installed as a Windows service, usually the
 default account that runs Tomcat as a Windows service is Local System
 Account.  You need to change that account to one that has access to your
 mdb.  You can do that through the Services console.  Or try starting Tomcat
 via the startup.bat file, that should launch Tomcat with the same account
 you've logged into your system with, which hopefully is the same account you
 need to for Access.

 The code you posted should work, although I can't understand what the
 purpose of your assignment is.  Don't get in the habit of using this code
 for anything related to logging in, or anything else.

 If you must stay in the MS world, use SQL Express.

 try {
Class.forName( sun.jdbc.odbc.JdbcOdbcDriver);
 Connection con =
 DriverManager.getConnection(jdbc:odbc:rahul,,);

  Statement stmt =
 con.createStatement(ResultSet.TYPE_FORWARD_ONLY,ResultSet.CONCUR_READ_ONLY);
  String query = Select whatever;

  ResultSet rs = stmt.executeQuery(query);

  while(rs.next()){
   // do stuff
}
rs.close();
  stmt.close();
  con.close();
} catch(SQLException ex) {

} catch(java.lang.ClassNotFoundException jdbce) {

}

Re: Working of Tomcat with MS Access

[RAHUL RAJ]

I am working on windows platform.  I downloaded tomcat setup,  md5(.exe) and
installed it.

On Sat, Apr 16, 2011 at 3:18 AM, André Warnier a...@ice-sa.com wrote:


  Also startup.bat is not there in the specified directory.


 It is not there because you have downloaded and installed the Tomcat
 installer version, and that one does not have a startup.bat file.


 Stop your existing Tomcat service.

 Go back to the Tomcat website, and download the appropriate zip version
 (32-bit or 64-bit, depending on what your Java version is.
 (you can see that by typing java -version in a command window)

 Create a new directory on your PC (maybe call it tomcat-zip) and unzip
 the zip-file there.

 Then go to the /bin sub-directory, and type startup.bat.
 This will run this new Tomcat in the command window, under your own login
 user-id.
 Verify that it runs, with a browser, by accessing http://localhost:8080;.

 Type CTRL-C in the tomcat command window to stop it.

 Then start modifying the configuration of this new Tomcat, to add what is
 necessary to run you application.  Do it one little bit at a time, and try
 restarting Tomcat each time you modify something, so that if there is a
 problem you know what you did wrong.

 When that all runs, then we'll tell you how to setup this new Tomcat as a
 Windows Service.




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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

vista home basic.
No, I can restart tomcat each time, by clicking the start/stop button.

On Sat, Apr 16, 2011 at 2:49 AM, Leo Donahue - PLANDEVX 
leodona...@mail.maricopa.gov wrote:

 -Original Message-
 From: RAHUL RAJ [mailto:omrahulraj...@gmail.com]
 Subject: Re: Working of Tomcat with MS Access
 
 you said:
 
 You need to change that account to one that has access to your mdb.
 You
 can do that through the Services console.  Or try starting Tomcat via
 the
 startup.bat file, that should launch Tomcat with the same account you've
 logged into your system with, which hopefully is the same account you
 need
 to for Access.
 
 
 I don't know how to do these...Can you explain for me?

 On Vista Home Basic... ?  Uh...

 Start/Control Panel
 Switch to Classic View
 Find Administrative Tools/Services

 You're on your own after this, but in a nutshell.. you need to check the
 properties of the Tomcat Service and see if you can change the way the
 service Logs On

 What happens when you reboot your computer? Do you have to restart Tomcat
 each time or is it still running after you reboot?


 Also startup.bat is not there in the specified directory.
 Fine.  By the way, I never specified a directory because no one here knows
 how you've installed Tomcat 5.5.x
 I'm very fond of version x myself.



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Re: Working of Tomcat with MS Access

[RAHUL RAJ]

I think I have to have tomcat (.zip) rather than md5 package..just a
moment...i will get back to you...

On Sat, Apr 16, 2011 at 8:50 AM, Leo Donahue - PLANDEVX 
leodona...@mail.maricopa.gov wrote:


 
 From: RAHUL RAJ [omrahulraj...@gmail.com]
 Subject: Re: Working of Tomcat with MS Access

 vista home basic.
 No, I can restart tomcat each time, by clicking the start/stop button.

 Did you try any of the suggestions André or I offered?
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Tomcat Connection Pool

[Rahul Kumar]

Hi,

Can anyone help me regarding  issue with connection pool for Tomcat?

Tomcat version: 6.0
OS: Linux
Database: Oracle 10g


.

Problem Statement:

When server is idle for long period of time thread hangs for waiting the DBMS 
to return with response.
I have tried all the possible combination configuration for connection pool but 
could succeed in removing that problem.

Connection pool Configuration:

maxActive=8
   maxIdle=8
   maxWait=3
   minIdle=1
   initialSize=1
   validationQuery=select * 
from dual
   testOnBorrow=true
   testWhileIdle=true
   
timeBetweenEvictionRunsMillis=180
   
minEvictableIdleTimeMillis=180
   numTestsPerEvictionRun=3
   username=PESALES
   password=X
   
driverClassName=oracle.jdbc.OracleDriver
  
url=jdbc:oracle:thin:@10.156.33.42:1521:ORADEV2/

Excerpt of thread Dump:

at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at oracle.net.ns.Packet.receive(Unknown Source)
at oracle.net.ns.DataPacket.receive(Unknown Source)
at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at 
oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1104)
at 
oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1075)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:480)
at 
oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:207)
at 
oracle.jdbc.driver.T4CStatement.executeForDescribe(T4CStatement.java:801)
at 
oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1039)
at 
oracle.jdbc.driver.T4CStatement.executeMaybeDescribe(T4CStatement.java:841)
at 
oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1134)
at 
oracle.jdbc.driver.OracleStatement.executeQuery(OracleStatement.java:1274)
- locked 0x2aab9a2b0ae8 (a 
oracle.jdbc.driver.T4CStatement)
- locked 0x2aab9ba7d688 (a 
oracle.jdbc.driver.T4CConnection)
at 
org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
at 
org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:332)
at 
org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.validateObject(PoolableConnectionFactory.java:312)
at 
org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:855)
- locked 0x2aab9ba7d498 (a 
org.apache.tomcat.dbcp.pool.impl.GenericObjectPool)
at 
org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:96)
at 
org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
at 
org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:82)
at 
org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)
at 
org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
at 
org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119)
at 
org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)
at 
org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:558)
at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:350)
at 
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:262)
at 

tomcat6 status results into dead state

[rahul vatsa]

Hi,

When i start tomcat6 two times without a stop in between, rctomcat6 status
results into dead state.

I checked the rctomcat6 start script, in this case when the tomcat6 is
already running and a rctomcat6 start is done, it display a msg that  
process already running, but it continues in the start function further
down  executes the
TOMCAT_SCRIPT(dtomcat6) script with the start argument. And after that pid
in the tomcat6.pid file gets changed but the process keeps running with the
old pid, and hence when we do a rctomcat6 status, it results into dead
state(bcoz it doesn't find any process running with that pid).

I think it shouldn't execute the TOMCAT_SCRIPT in this case,  so in case
when checkpid is success(in start function), i put an exit after the echo
msg   process already running, this solves the problem, but is this the
correct solution ?
If you think its not the right solution, plz suggest me something
appropriate.




function start() {
echo -n Starting Tomcat ($CATALINA_BASE)
if [ -f /var/lock/subsys/${NAME} ] ; then
if [ -f /var/run/${NAME}.pid ]; then
read kpid  /var/run/${NAME}.pid
if checkpid $kpid 21; then
echo $NAME process already running
rc_failed 0

#The below exit i have added
exit
else
echo -n lock file found but no process running for
pid $kpid, continuing
rc_failed 7
fi
fi
fi
.
.


regards
rahul

Connect the same Database from two different web application

[Rahul Deb Mohan]

Hello Everyone,

I am using Hibernate to connect to my MySql Database using C3p0 connection
pooling mechanism from my web application which is deployed in Tomcat.

Eventually, now I need to develop a child application, using the same
Database instance.

So I have two application now : say Application A and Application B, and
both will be deployed in a Tomcat Server and both has to use the same
Database, let say my DB name is EmployeeDB.

I defined Resource  parameters separately for both of the application and
have done all the settings that are required for the connectivity. Now when
I deploy the applications, and try to run them, the first application ( it
may be Application A or Application B) loads up properly, but the second
application shows error as it could not connect to the Database. Whatever
application I load first, it successfully connect to the Database, but
second application fails to connect.

I am guessing there must be some locking mechanism, provided by either
Hibernate or the Tomcat, which is preventing me to do so.

Please help me to overcome this issue as that is my fundamental requirement
now.

Thanks is advance.

I am posting the stack trace hereby:

[code]com.mchange.v2.cfg.BasicMultiPropertiesConfig: Properties object found
at resource path [system properties] contains a value that is not a String:
25
Skipping...
com.mchange.v2.cfg.BasicMultiPropertiesConfig: Properties object found at
resource path [system properties] contains a value that is not a String: 25
Skipping...
921 [http-8990-4] ERROR org.hibernate.connection.C3P0ConnectionProvider -
could not instantiate C3P0 connection pool
java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:394)
at
com.mchange.v2.c3p0.DataSources.pooledDataSource(DataSources.java:314)
at
org.hibernate.connection.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:181)
at
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:137)
at
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:79)
at
org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:448)
at
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:89)
at
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
at
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
at
com.duke.zaloni.studentdb.server.hibernate.HibernateUtil.clinit(HibernateUtil.java:17)
at
com.duke.zaloni.studentdb.server.LoginServletImpl.doPost(LoginServletImpl.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Hibernate Error:Initial SessionFactory creation
failed.org.hibernate.HibernateException: Could not instantiate C3P0
connection pool
org.hibernate.HibernateException: Could not instantiate C3P0 connection pool
at
org.hibernate.connection.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:185)
at
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:137)
at
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:79)
at
org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:448)
at
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:89)
at
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
at
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
at
com.duke.zaloni.studentdb.server.hibernate.HibernateUtil.clinit(HibernateUtil.java:17)
at
com.duke.zaloni.studentdb.server.LoginServletImpl.doPost(LoginServletImpl.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at 

Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Hello Friends

A very strange findings for today! Found it only because I skipped the first 
Launch page that used to launch a new window through Java Script. Now, the 
finding is - 
1. After the Launch, this would open a Home Page with the request URL - 
http://localhost:5080/URL
2. Clicking on Search Work Order menu, it will request the URL:
http://localhost:5080/SearchListURL
3. Now, interesting bit - On providing search crietria and clicking search, the 
request is sent to - 
http://localhost:8080/SearchListURL

Now, why the third step is posting this to default 8080 port when clearly the 
server.xml is configured to listen to HTTP requests on 5080 port.

I tested this in Windows with 5080 listener port and it failed there too.

Any hints?

- Regards
Rahul




--- On Mon, 7/5/10, Pid p...@pidster.com wrote:

 From: Pid p...@pidster.com
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Monday, July 5, 2010, 12:05 PM
 On 4 Jul 2010, at 23:02, rahul iamrahu...@yahoo.com
 wrote:
 
  I guess there are jsp:include page / and
 %@ include file %  
  directives in you webapp. Check them for case
 sensitivity
  
  
  There are only couple of directives - 
  %@ taglib uri=/taglib.tld prefix=salmon%
  and
  %@ page errorPage=ErrorPage.jsp
 extends=com.salmonllc.jsp.JspServlet%
  
  ErrorPage.jsp is perfectly correct case-wise. 
 
 There is an ErrorPage.jsp in each directory?
 
 
 p
 
  
  
  --- On Fri, 7/2/10, Mikolaj Rydzewski m...@ceti.pl
 wrote:
  
  From: Mikolaj Rydzewski m...@ceti.pl
  Subject: Re: Tomcat 6.0.26 with Java 6 update 20
 on Sun Solaris 5.8 Sparc - Web application unable to execute
 properly
  To: Tomcat Users List users@tomcat.apache.org
  Date: Friday, July 2, 2010, 1:14 PM
  On 07/02/2010 01:23 AM, rahul wrote:
  1. I tried building the war in Windows and
 worked
  fine. I transferred the war to UNIX, it
 mis-behaves as
  described earlier.
  2. I tried building the war in UNIX, it
 mis-behaves as
  described earlier. I transferred the war to
 Windows and it
  worked fine.
      
  
  I guess there are jsp:include page / and
 %@
  include file % directives in you webapp. Check
 them for
  case sensitivity.
  
  
  -- 
  Mikolaj Rydzewskim...@ceti.pl
  
  
 
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  To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Thanks to all of your comments and help!! The problem is resolved. I was very 
fortunate that I was testing with FireFox otherwise I would never have come to 
know about the actual problem (That is Redirecting to port 8080). The Internet 
Explorer was not at all showing that the request is going to the incorrect 
port, wonder why??. 
Now, on clicking search button, data gets posted to the correct place and data 
gets fetched from the database correctlty. As this webapp uses the Salmon SOFIA 
framework, in order to display the data, it internally uses its own 
URLGenerator class: URLGenerator  and gets the PORT from System.properties 
file! And this is where the port was specified as 8080. I changed that to the 
one in Server.xml and VOILA!! 

--- On Mon, 7/5/10, André Warnier a...@ice-sa.com wrote:

 From: André Warnier a...@ice-sa.com
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Monday, July 5, 2010, 1:41 PM
 rahul wrote:
  Hello Friends
  
  A very strange findings for today! Found it only
 because I skipped the first Launch page that used to
 launch a new window through Java Script. Now, the finding is
 - 1. After the Launch, this would open a Home Page with the
 request URL - http://localhost:5080/URL
  2. Clicking on Search Work Order menu, it will request
 the URL:
  http://localhost:5080/SearchListURL
  3. Now, interesting bit - On providing search crietria
 and clicking search, the request is sent to -
 http://localhost:8080/SearchListURL
  
  Now, why the third step is posting this to default
 8080 port when clearly the server.xml is configured to
 listen to HTTP requests on 5080 port.
  
  I tested this in Windows with 5080 listener port and
 it failed there too.
  
  Any hints?
  
 Rahul,
 I don't know about the rest of your problem, but if you
 click on a link /in the browser/, and the browser sends a
 request to localhost:8080 as a result, then it means that
 /the html page which the browser has/ contains a link that
 points to port 8080.
 So in your example above, it is the page returned by
 http://localhost:5080/SearchListURL
 which contains a link to port 8080.
 It has nothing to do with what server.xml says about the
 ports the server is listening on.
 
 -
 To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
 For additional commands, e-mail: users-h...@tomcat.apache.org
 
 




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Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

 I guess there are jsp:include page / and %@ include file %  
 directives in you webapp. Check them for case sensitivity


There are only couple of directives - 
%@ taglib uri=/taglib.tld prefix=salmon%
and
%@ page errorPage=ErrorPage.jsp extends=com.salmonllc.jsp.JspServlet%

ErrorPage.jsp is perfectly correct case-wise. 


--- On Fri, 7/2/10, Mikolaj Rydzewski m...@ceti.pl wrote:

 From: Mikolaj Rydzewski m...@ceti.pl
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Friday, July 2, 2010, 1:14 PM
 On 07/02/2010 01:23 AM, rahul wrote:
  1. I tried building the war in Windows and worked
 fine. I transferred the war to UNIX, it mis-behaves as
 described earlier.
  2. I tried building the war in UNIX, it mis-behaves as
 described earlier. I transferred the war to Windows and it
 worked fine.
     
 
 I guess there are jsp:include page / and %@
 include file % directives in you webapp. Check them for
 case sensitivity.
 
 
 -- 
 Mikolaj Rydzewskim...@ceti.pl
 
 
 -
 To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
 For additional commands, e-mail: users-h...@tomcat.apache.org
 
 




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Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Hello Miki

Thanks for your inputs. UNIX war means the war file deployed in UNIX 
environment and Windows war means the war file deployed in Windows. So, as I 
said that when I just transfer the war file from Windows to UNIX, it 
mis-bheaves the way I specified. On the other hand, if I transfer the war file 
from UNIX to Windows, it works perfectly. 

So, I guess that refutes the conception that the build process is platform 
dependent. I can agree with the Tomcat Setup part. But what? I have been unable 
to figure that out for this is the third day now.

Thanks and Regards,
Rahul

--- On Thu, 7/1/10, Mikolaj Rydzewski m...@ceti.pl wrote:

 From: Mikolaj Rydzewski m...@ceti.pl
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Thursday, July 1, 2010, 4:05 PM
 rahul wrote:
  1. Replacing the Windows war file with the one in
 UNIX, works fine. 2. Replacing the UNIX war file with that
 in Windows mis-behaves.   
 Please clarify what windows-war and unix-war mean.
 So, in other words does it mean:
 
 If you take old war file, that runs on Tomcat 4.x, from
 Solaris box and deploy it on new Tomcat on Windows box it
 runs fine.
 
 If you build new war file on Windows box, deploy it on new
 Tomcat on Windows box it runs fine. But if deploy the same
 war file on new Tomcat on Solaris box it misbehaves.
 
 Is that correct?
 
 If so, I guess that either your build process is platform
 dependant, or there are differences between Tomcat setups
 (Windows vs Solaris).
 
 -- Mikolaj Rydzewski m...@ceti.pl
 
 
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Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

This email contained a .zip file attachment. Raytheon does not allow email 
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---

Hi

 What are you doing to build the .war, running an Ant script
 perhaps?
 
 Does your build process include OS specific configuration?
 
 Where are the OS specific configuration files you mentioned
 placed on
 the filing system?
 
 What is different about the server.xml, in the two
 different Tomcat
 installations?
 
 What do the logs says during startup in each Tomcat? 
 (You might clear
 the logs and start a fresh one for each server)

Yes, we do run an ANT script to build the war. The ANT script uses the 
build.properties file that has couple of file system references. The build.xml, 
however does NOT have any such EXPLICIT references. So, when I build the war it 
takes the jars and sources from the provided locations and build at the 
provided target location. Now, I will re-iterate - 
1. I tried building the war in Windows and worked fine. I transferred the war 
to UNIX, it mis-behaves as described earlier.
2. I tried building the war in UNIX, it mis-behaves as described earlier. I 
transferred the war to Windows and it worked fine.

The config files are located in a directory structure, that directory location 
is provided in the catalina.bat startup script. If they are not provided 
correctly, it will throw errors while starting up the app. 

Windows and UNIX startup logs are attached herewith. I do not see any much 
difference in between the logs except for the file systems.

Another additional comment - Its not only the back button that tends to display 
the Search Result, a refresh of the page also displays the page properly. So, 
in short, click on search, 404-Page Not Found turns up. Refresh it, or Back 
Button of browser, Search result turns up. This is the mis-behaviour in UNIX I 
have been mentioning.

Thanks and Regards,
Rahul

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Fw: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

In support of my email below, I am attaching the logs. As they are not in zip 
format, I hop they will not be removed. Else, I need to copy and paste each one 
of them :)

--- On Fri, 7/2/10, rahul iamrahu...@yahoo.com wrote:

 From: rahul iamrahu...@yahoo.com
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org, p...@pidster.com
 Date: Friday, July 2, 2010, 4:53 AM
 Hi
 
  What are you doing to build the .war, running an Ant
 script
  perhaps?
  
  Does your build process include OS specific
 configuration?
  
  Where are the OS specific configuration files you
 mentioned
  placed on
  the filing system?
  
  What is different about the server.xml, in the two
  different Tomcat
  installations?
  
  What do the logs says during startup in each Tomcat? 
  (You might clear
  the logs and start a fresh one for each server)
 
 Yes, we do run an ANT script to build the war. The ANT
 script uses the build.properties file that has couple of
 file system references. The build.xml, however does NOT have
 any such EXPLICIT references. So, when I build the war it
 takes the jars and sources from the provided locations and
 build at the provided target location. Now, I will
 re-iterate - 
 1. I tried building the war in Windows and worked fine. I
 transferred the war to UNIX, it mis-behaves as described
 earlier.
 2. I tried building the war in UNIX, it mis-behaves as
 described earlier. I transferred the war to Windows and it
 worked fine.
 
 The config files are located in a directory structure, that
 directory location is provided in the catalina.bat startup
 script. If they are not provided correctly, it will throw
 errors while starting up the app. 
 
 Windows and UNIX startup logs are attached herewith. I do
 not see any much difference in between the logs except for
 the file systems.
 
 Another additional comment - Its not only the back button
 that tends to display the Search Result, a refresh of the
 page also displays the page properly. So, in short, click on
 search, 404-Page Not Found turns up. Refresh it, or Back
 Button of browser, Search result turns up. This is the
 mis-behaviour in UNIX I have been mentioning.
 
 Thanks and Regards,
 Rahul
 
 
      




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Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Dear Users,

We are trying to upgrade the Tomcat version from existing
4.1.31 to the latest available release 6.0.26. In the
process, I did the following changes – 

1. Downloaded the Tomcat 6.0.26 basic distribution file -
apache-tomcat-6.0.26.zip from the website.
2. Unbundled it and deployed the web application on my
workstation – Windows XP SP2 - first.
3. Ran the Tomcat and the application worked without any
trouble. 
4. Now, tried to test the same in UNIX (As the productive
environment is UNIX) – the version and details of the
system is as given in the subject line - , by copying the
distribution and the source code with ANT build.
5. Built and deployed the application in the UNIX itself. 
6. Ran the application and observed that it did not work
properly. The details are as explained below- 


First Page - The index page comes fine where some menu
items are displayed.
Second Page - After clicking on Work List Details it
loads the second page that displays all the search criteria
- perfectly.
Third Page - After selecting the criteria, the user click
on Search button and there is a page opens with 404 -
Page is unavailable. However, on clicking the back button
of the IE, the search result appears. 

Attached are the log files extracts. For Windows log -
windowsLog.log and for UNIX it is UnixLog.log. 

Apparently, this particular information goes missing from
the log on pressing Search button while running in UNIX.
Its only after clicking browser's back button that the
following appears in the log and the page gets displayed as
well. There is absolutely no error/exception that is visible
in any of the logs. **NOTE - these logs extracts are from
Catalina.bat/Catalina.sh output. Also attached is the screen
short for page cannot be displayed message. 

{ Information Message | 2010-06-30 11:46:49.479 |
Thread[http-8080-1,5,main] | 
org.apache.jsp.Jsp.WorkOrderList_jsp} JspServlet.service()
start - URI=/workbench/Jsp/WorkOrderList.jsp
{ SQL Statement | 2010-06-30 11:46:49.479 |
Thread[http-8080-1,5,main] | 
com.salmonllc.sql.DBStatement} executeQuery() SELECT
WEB_USER.USER_ID,WEB_USER.DISABLED,WEB_USER_ROLE.ROLE_ID,WEB_ROLE_COMP_ACS_LVLS.APPLICATION_ID,WEB_ROLE_COMP_ACS_LVLS.SCREEN_ID,WEB_ROLE_COMP_ACS_LVLS.COMPONENT_ID,WEB_ROLE_COMP_ACS_LVLS.ROLE_ID
 
FROM WEB_USER,WEB_USER_ROLE,WEB_ROLE_COMP_ACS_LVLS 
WHERE (WEB_USER.USER_ID=WEB_USER_ROLE.USER_ID AND
WEB_USER_ROLE.ROLE_ID=WEB_ROLE_COMP_ACS_LVLS.ROLE_ID) AND
(WEB_USER.USER_ID='MSDOMAIN\rrahul' AND
WEB_USER.DISABLED='N' AND
WEB_ROLE_COMP_ACS_LVLS.SCREEN_ID='work_order_list')
{ Debug | 2010-06-30 11:46:49.494 |
Thread[http-8080-1,5,main] | 
com.salmonllc.jsp.tags.DataSourceTag} Returning SKIP_BODY {
Information Message | 2010-06-30 11:46:49.557 |
Thread[http-8080-1,5,main] | 
org.apache.jsp.Jsp.WorkOrderList_jsp} JspServlet.service()
end - URI=/workbench/Jsp/WorkOrderList.jsp Time=78
Init=false


Please assist me in figuring out what is going on or what
am I doing wrong. Please reply me on: iamrahu...@yahoo.com
or/and rahul.ra...@eb-services.com.au



Thanks and Regards,
Rahul
EB-Services (SP-Ausnet) EAI Team
Mobile: +61 413650106
Phone: +61 3 96068387


      




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RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Hello Charles

Thanks for extremely prompt reply :). First answers to your question:
1. Replacing the Windows war file with the one in UNIX, works fine. 
2. Replacing the UNIX war file with that in Windows mis-behaves. 

Some more clarification - 
When I started the upgrade test after testing successfully in the workstation, 
I copied the entire war from Windows to UNIX. The application uses certain 
properties files where the file system references are provided. Those 
references were changed to map to the UNIX file systems in the properties 
files. The server.xml ports were chamnged. I am attaching the same here with as 
requested. Also, tomcat-users.xml was changed to add the admin user for 
manager role. It did not work that is mis-behaved the same way as explained 
in my first email.

Then I tried copying the whole source code to UNIX with ANT utility. Built 
there and deployed there itself, ending up with the same result. 

Please let me know whether I am able to get you a bit clearer picture. Is there 
any way  I can give you a call, if you have any contact number? Where are you 
located? May be this way we can clarify the things more quickly. I have become 
a bit desperate now, trying to get some hint on this issue for around 2 days 
now.:)

Your help is appreciated. 

Best Regards,
Rahul
--- On Thu, 7/1/10, Caldarale, Charles R chuck.caldar...@unisys.com wrote:

 From: Caldarale, Charles R chuck.caldar...@unisys.com
 Subject: RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Thursday, July 1, 2010, 3:49 AM
  From: rahul [mailto:iamrahu...@yahoo.com]
  Subject: Tomcat 6.0.26 with Java 6 update 20 on Sun
 Solaris 5.8 Sparc -
  Web application unable to execute properly
  
  5. Built and deployed the application in the UNIX
 itself.
 
 If the application is pure Java, that step was
 unnecessary.  What happens if you take the .war file
 (or .class files) from the Solaris box and run them on
 Windows?  Does the app misbehave there as well?
 
 Likewise, what happens if you take what's running on
 Windows and deploy it on Solaris?  Does it run
 properly?
 
 Also, post your server.xml for Tomcat 6.0.26; lots of
 things changed between 4.1 and 6.0, and if any config items
 were copied over verbatim, that might create problems.
 
  Third Page - After selecting the criteria, the user
 click
  on Search button and there is a page opens with 404
 -
  Page is unavailable. However, on clicking the back
 button
  of the IE, the search result appears.
 
 Turn on Tomcat's access logging and see what's coming in.
 
  Attached are the log files extracts.
 
 Nope; the mailing list strips almost all attachments. 
 Post them inline, or put them in some public location on the
 web.
 
  Please assist me in figuring out what is going on or
 what
  am I doing wrong.
 
 Case problems?  Windows is not case-sensitive, Solaris
 is.
 
  Please reply me on: iamrahu...@yahoo.com
  or/and rahul.ra...@eb-services.com.au
 
 No, replies should go only to the mailing list, not to
 individuals.
 
  - Chuck
 
 
 THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR
 OTHERWISE PROPRIETARY MATERIAL and is thus for use only by
 the intended recipient. If you received this in error,
 please contact the sender and delete the e-mail and its
 attachments from all computers.
 



  ?xml version='1.0' encoding='utf-8'?
!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the License); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an AS IS BASIS,
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--
!-- Note:  A Server is not itself a Container, so you may not
 define subcomponents such as Valves at this level.
 Documentation at /docs/config/server.html
 --
Server port=5005 shutdown=SHUTDOWN

  !--APR library loader. Documentation at /docs/apr.html --
  Listener className=org.apache.catalina.core.AprLifecycleListener SSLEngine=on /
  !--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper-howto.html --
  Listener className=org.apache.catalina.core.JasperListener /
  !-- Prevent memory leaks due to use of particular java/javax APIs--
  Listener className=org.apache.catalina.core.JreMemoryLeakPreventionListener /
  !-- JMX Support for the Tomcat server. Documentation at /docs/non-existent.html --
  Listener

Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Thanks Pid. Your points noted. 

Any pointers to the issues will be appreciated. 

Kind Regards,
Rahul

--- On Thu, 7/1/10, Pid p...@pidster.com wrote:

 From: Pid p...@pidster.com
 Subject: Re: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Thursday, July 1, 2010, 4:51 AM
 On 30/06/2010 23:58, rahul wrote:
 
  Is there any way  I can give you a call, if you
 have any contact number? 
 
 See below.
 
  No, replies should go only to the mailing list,
 not to
  individuals.
 
 We keep all discussions on the list, that way other people
 can learn
 from them too.  You can think of it as the 'price' of
 free help.
 
 
 p
 
 




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Fw: RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

A further information - 

I installed Mozilla Firefox and on clicking search it printed out an error 
message that The requested URL /workbench/Jsp/WorkOrderList.jsp was not found 
on this server.. Ran the same application parallaly on Windows and that works 
fine with Firefox as well. 

Best Regards,
Rahul

--- On Thu, 7/1/10, rahul iamrahu...@yahoo.com wrote:

 From: rahul iamrahu...@yahoo.com
 Subject: RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - 
 Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Thursday, July 1, 2010, 4:28 AM
 Hello Charles
 
 Thanks for extremely prompt reply :). First answers to your
 question:
 1. Replacing the Windows war file with the one in UNIX,
 works fine. 
 2. Replacing the UNIX war file with that in Windows
 mis-behaves. 
 
 Some more clarification - 
 When I started the upgrade test after testing successfully
 in the workstation, I copied the entire war from Windows to
 UNIX. The application uses certain properties files where
 the file system references are provided. Those references
 were changed to map to the UNIX file systems in the
 properties files. The server.xml ports were chamnged. I am
 attaching the same here with as requested. Also,
 tomcat-users.xml was changed to add the admin user for
 manager role. It did not work that is mis-behaved the same
 way as explained in my first email.
 
 Then I tried copying the whole source code to UNIX with ANT
 utility. Built there and deployed there itself, ending up
 with the same result. 
 
 Please let me know whether I am able to get you a bit
 clearer picture. Is there any way  I can give you a
 call, if you have any contact number? Where are you located?
 May be this way we can clarify the things more quickly. I
 have become a bit desperate now, trying to get some hint on
 this issue for around 2 days now.:)
 
 Your help is appreciated. 
 
 Best Regards,
 Rahul
 --- On Thu, 7/1/10, Caldarale, Charles R chuck.caldar...@unisys.com
 wrote:
 
  From: Caldarale, Charles R chuck.caldar...@unisys.com
  Subject: RE: Tomcat 6.0.26 with Java 6 update 20 on
 Sun Solaris 5.8 Sparc - Web application unable to execute
 properly
  To: Tomcat Users List users@tomcat.apache.org
  Date: Thursday, July 1, 2010, 3:49 AM
   From: rahul [mailto:iamrahu...@yahoo.com]
   Subject: Tomcat 6.0.26 with Java 6 update 20 on
 Sun
  Solaris 5.8 Sparc -
   Web application unable to execute properly
   
   5. Built and deployed the application in the
 UNIX
  itself.
  
  If the application is pure Java, that step was
  unnecessary.  What happens if you take the .war file
  (or .class files) from the Solaris box and run them
 on
  Windows?  Does the app misbehave there as well?
  
  Likewise, what happens if you take what's running on
  Windows and deploy it on Solaris?  Does it run
  properly?
  
  Also, post your server.xml for Tomcat 6.0.26; lots of
  things changed between 4.1 and 6.0, and if any config
 items
  were copied over verbatim, that might create
 problems.
  
   Third Page - After selecting the criteria, the
 user
  click
   on Search button and there is a page opens with
 404
  -
   Page is unavailable. However, on clicking the
 back
  button
   of the IE, the search result appears.
  
  Turn on Tomcat's access logging and see what's coming
 in.
  
   Attached are the log files extracts.
  
  Nope; the mailing list strips almost all
 attachments. 
  Post them inline, or put them in some public location
 on the
  web.
  
   Please assist me in figuring out what is going on
 or
  what
   am I doing wrong.
  
  Case problems?  Windows is not case-sensitive,
 Solaris
  is.
  
   Please reply me on: iamrahu...@yahoo.com
   or/and rahul.ra...@eb-services.com.au
  
  No, replies should go only to the mailing list, not
 to
  individuals.
  
   - Chuck
  
  
  THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR
  OTHERWISE PROPRIETARY MATERIAL and is thus for use
 only by
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 error,
  please contact the sender and delete the e-mail and
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RE: RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc - Web application unable to execute properly

[rahul]

Charles

The web.xml does not have much mapping as the application uses the SOFIA Salmon 
LLC framework. Actually, as I said, the page is entered and executed first to 
print the search criteria with URL - 
http://host:5080/app/Jsp/WorkOrderList.jsp?work_order_type=activeNavBarId=work_order_list

Now, after selecting search criteria, the Search button is hit, and apparantly 
the same page get executed, as the log file goes:
{ Information Message | 2010-06-30 11:46:49.197 | Thread[http-8080-2,5,main] |  
org.apache.jsp.Jsp.WorkOrderList_jsp} JspServlet.service() start - 
URI=/workbench/Jsp/WorkOrderList.jsp

Then it gets data from the data source succecssfully. Then, it prints:
{ Information Message | 2010-06-30 11:46:49.479 | Thread[http-8080-2,5,main] |  
org.apache.jsp.Jsp.WorkOrderList_jsp} JspServlet.service() end - 
URI=/workbench/Jsp/WorkOrderList.jsp Time=282 Init=false

Then the front end page says: Page Not Found. 

In Windows, however, right after this line JspServlet.service() start - 
URI=/workbench/Jsp/WorkOrderList.jsp is printed AGAIN in the logs to execute 
all the other HTML related component for the frontend. And in the last it 
prints the end - URI bit again. 

You may refer to the attachments posted earlier. 

Please let me know whether I have clarified your query. 

Kind Regards,
Rahul

--- On Thu, 7/1/10, Caldarale, Charles R chuck.caldar...@unisys.com wrote:

 From: Caldarale, Charles R chuck.caldar...@unisys.com
 Subject: RE: RE: Tomcat 6.0.26 with Java 6 update 20 on Sun Solaris 5.8 Sparc 
 - Web application unable to execute properly
 To: Tomcat Users List users@tomcat.apache.org
 Date: Thursday, July 1, 2010, 8:23 AM
  From: rahul [mailto:iamrahu...@yahoo.com]
  Subject: Fw: RE: Tomcat 6.0.26 with Java 6 update 20
 on Sun Solaris 5.8
  Sparc - Web application unable to execute properly
  
  I installed Mozilla Firefox and on clicking search
 it printed out an
  error message that The requested URL
 /workbench/Jsp/WorkOrderList.jsp
  was not found on this server.. Ran the same
 application parallaly on
  Windows and that works fine with Firefox as well.
 
 I suspect it's what I told you to look for earlier - case
 sensitivity.  In Windows, case matters very little, but
 on Solaris, it's critical.  Is the directory the URL
 maps to spelled exactly the same way the URL is formed (eg,
 Jsp, not jsp)?  Is there a URL-pattern in your
 WEB-INF/web.xml that might have the wrong casing?
 
  - Chuck
 
 
 THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR
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 the intended recipient. If you received this in error,
 please contact the sender and delete the e-mail and its
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Re: mod_jk compatibilities between versions.

[rahul]

| rahul wrote:
|  I am trying to integrate mod_jk with the apache 2.2 package
|  distribution in solaris.
|  I would like to know what would be the versions that can have
|  incompatibilities with the previous versions (both API and configuration)

| Check the change log:
| http://tomcat.apache.org/connectors-doc/miscellaneous/changelog.html

thanks I will check it.

| It contains all changes between each version. If you need to know what
| changed between 1.2.14 and 1.2.25, then you need read all of the changes
| for intervening versions.
| 
|  Is JK-1.2.25 going to be completely compatible with JK-1.2.26
| 
| All of the 1.2.x versions are compatible with each other.
| 
|  How about JK-1.2.25 and JK-1.3.xx and 
| 
| I don't believe there are any 1.3.x versions.

I had meant it for the future versions. ie. at what version level change
can I expect the compatibility to get broken (If there is a reason for
breaking it). To ask in a different way, If you find that you need to
break the compatibility between releases, which version number will you
increment?.

|  JK-1.2.25 and JK-2.xx.yy 
| 
| Same here: there are no 2.x versions.

(As above. I meant the future versions)

|  which is the version change where I can expect the compatibility to be
|  guaranteed?
| 
| Do you mean feature compatibility? Each version of mod_jk includes
| improvements and features that were not included in previous versions.
| So, in a sense, all versions are incompatible (with each other).

No, I meant the newer versions to not break any thing if dropped in
place of older ones.

| On the other hand, they all implement the AJP12 and AJP13 protocols. So,
| in a sense, they are all entirely compatible (with each other).

See above. If there is a chance that you want to break drop-in compatibility 
for some reason, which is the version number that will change. (Not that
it has happened yet. But _in case_ )

| All versions along the 1.2.x line are expected to be drop-in replaceable
| for other versions in the same line. You should always read the release
| notes between versions so that some fixed bug doesn't end up breaking
| your setup.

The reason I had asked is that if we know for sure that a version would
be drop-in replacement, we can push it as an inplace upgrade. While a
version that may break compatibility should be placed in a separate
location or given a separate name when upgrading so that nothing gets
broken.

rahul
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xx

[rahul]

rahul
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mod_jk compatibilities between versions.

[rahul]

Hi,
I am trying to integrate mod_jk with the apache 2.2 package
distribution in solaris.
I would like to know what would be the versions that can have
incompatibilities with the previous versions (both API and configuration)

ie 
Is JK-1.2.25 going to be completely compatible with JK-1.2.26

How about JK-1.2.25 and JK-1.3.xx and 

JK-1.2.25 and JK-2.xx.yy 

which is the version change where I can expect the compatibility to be
guaranteed?


rahul
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Apache connectors for tomcat

[rahul]

Hi,
Which is the recommended connector for Apache now?
mod_jk or mod_proxy_ajp (with balancer) ?

rahul
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Need info on IPv6 support for Tomcat in RHEL and SLES distros

[Prasad, Rahul B (STSD)]

Hi All,

I need information on whether IPv6 is supported on Tomcat for the
following distros:

 

Redhat Enterprise Edition Linux 4 (base version) (Tomcat 4.1)

Redhat Enterprise Edition Linux 5 (base version) (Tomcat 5.5)

SuSE Enterprise Linux Server 9 (base version)  -

SuSE Enterprise Linux Server 10 (base version) (Tomcat 5.0)

 

I am mailing this after searching through the Tomcat apache archives,
Red Hat docs, to no avail.  I would be glad if you could help me on
this. 

 

Thanks in advance.

Rahul Prasad B
Hewlett Packard
Bangalore

The ability to simplify means to eliminate the unnecessary so that the
necessary may speak. - Hans Hoffman
 

 

Re: NullPointerException with Parameters.getParameterValues(String)

[Rahul Thakur]

Hi Chris,



Rahul Thakur wrote:
 Looks like it was the 'username'. The username is being initialised in
 the taglib handler implementation but the behaviour differs between
 JRun and Tomcat.

That should not be the case. The servlet spec is quite clear about the
order of execution of the various init/begin/body/end taglib calls. Are
you sure you haven't changed anything?

 Now this can also accept other attributes (if the expected request
 param names were different). I updated it for Tomcat like this:

 users:login loginpage=login.jsp logout=logout username=username
 password=password /

Why would it have to change for Tomcat?


This particular web app was coded up 5+ years ago and deployed on
JRun. I am not sure if the Servlet spec then was clear on taglib
lifecycle or not (I admit I haven't read the spec!)




 While 'username', 'password' and 'logout' are initialised to the
 default values in the taglib handler implementation, the setter method
 for these attributes still gets called when they are not specified in
 the JSP, and NULL values are assumed for them. That's the only
 explanation I can think of :-)

Sounds like it might happen that way. If you have a default value for
username (and friends), why not set those defaults in the
setUsername(String) method and use the default when NULL is passed?

Also, why is a setter being called on the tag handler when there is no
attribute value specified? Something sounds fishy. Does adding
'username=username' fix the problem when running under Tomcat?


Yes, adding those attributes to the taglib works on Tomcat.  Another
difference that Robert pointed out in an earlier email on this thread
was about the Request 'Parameter' objects not being
created/assimilated by Tomcat container when another Servlet or Filter
makes a call to Request.getInputStream() or getReader(). I did not hit
any issues on JRun w.r.t this.

Rahul

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Re: NullPointerException with Parameters.getParameterValues(String)

[Rahul Thakur]

Looks like it was the 'username'. The username is being initialised in
the taglib handler implementation but the behaviour differs between
JRun and Tomcat.

In the layout template jsp for the admin console, we use a taglib that
checks if a user is logged in or not. The following snippet works on
JRun.

users:login loginpage=login.jsp /

Now this can also accept other attributes (if the expected request
param names were different). I updated it for Tomcat like this:

users:login loginpage=login.jsp logout=logout username=username
password=password /

While 'username', 'password' and 'logout' are initialised to the
default values in the taglib handler implementation, the setter method
for these attributes still gets called when they are not specified in
the JSP, and NULL values are assumed for them. That's the only
explanation I can think of :-)

What is the correct behaviour? Any ideas.

Cheers,

Rahul



On 4/11/07, Robert Harper [EMAIL PROTECTED] wrote:

Try username. I'm surprised the compiler doesn't complain that username is
being used without being initialized. If it didn't, the compiler probably
set username to be null.

You need to pass a valid string to the method getParameter();

Try something more like:

String username = null;
Username = pageContext().getRequest().getParameter( username );



Robert S. Harper
Senior Engineer
Information Access Technology, Inc.



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