give servlet.jar path to ur classpath ,that jar file may be in tomcat_root/common/lib
folder
Sayeed [EMAIL PROTECTED] wrote:Sir
I am new to Tomcat.
I am now making my first Servlet and trying to creat a class (sayeed).
It give me errors as under :
Hi,
I have tomcat 4.1.30 installed on linux red hat 9 with java version
1.4.1_03. Sometimes when I shutdown tomcat by using shutdown script it
remains java process in memory which I have to kill manually. Only then
I can start up tomcat again. What can be the reason of this? I'm using
made a post a few days ago which never received a reply. part of me
honestly believes that someone out there, or developers, at one point in
time, have played with virtual hosts. but then again, maybe not. could
be fresh new territory. i like surprises.
[ environment ]
2 x windows 2000 with
What kind of problems are you having? Normally I scan fairly quickly to
see if there are any subjects which I might have the ability to help out
with. JK2/Isapi, i've spent far too much time on in the past few months.
I found a really good tutorial a few months ago relating to the redirector
Could you list your operating environment. I have (see my other note) a
very similar problem, and I think that by working out which components
are common to both of us we can narrow this down much quicker.
I am using 5.0.27 Tomcat (I also used 4.1 and got the same problem), I am
using JSPs with
dear sir and Shivjuluru
these are my Paths:
set JAVA_HOME=C:\j2sdk1.4.2_04
set CATALINA_HOME=C:\APACHE\TOMCAT
set CLASSPATH=C:\Apache\Tomcat\common\lib\servlet.jar
but still when I compile my servlet file (sayeed) it give the same erros:
There is more than one way :-)
- From within a servlet, add a shutdown hook with
Runtime.getRuntim().addShutdownHook()
- Create a ServletContextListener, and implement the clean stop of your
daemon in the listener contextDestroyed() method
- Create an initialization servlet, and implement the
Maybe you have some non-daemon threads running. This would prevent the
JVM from exiting. I would do the following:
- Once the java process is frozen, ask it a thread stack dump (I do
not remember well, but I think in Linux you must send the process a QUIT
signal)
- In the trace you should see
does anyone know if tomcat can handle citrix metaframe ?
I will be out of the office starting 07/28/2004 and will not return
until 09/07/2004.
I will be out of the office starting 07/28/2004 and will not return
until 09/07/2004.
If you need assistance for Express Link, please contact Mark at
214-665-2116.
If you need assistance for SDMS, please
--- TL C [EMAIL PROTECTED] wrote:
I not quite sure how to post the questions on the
problem I faced with tomcat-connector-jk-1.2.6 to
tomcat group mailing list? Hope this is the one.
I have serious problem with compilation on Redhat
Enterprise AS 3.0.
When I tried to compile, I got
ok sayeed,
just open ur command prompt and give
cmdset
classpath=%classpath%;C:\Apache\Tomcat\common\lib\servlet.jar;C:\j2sdk1.4.2_04\lib\tools.jar;C:\j2sdk1.4.2_04\dt.jar;C:\j2sdk1.4.2_04\jre\lib\rt.jar;.
now compile ur java file (ex: javac sayeed)
if it works,it's may be the problem with
Hello list users,
I'm using Tomcat on win2k. There is a window which is always open
when Tomcat runs. It shows messages like INFO: etc. Is there a way I
can write to this window from inside a servlet? I'm just looking for an
easy way to debug my servlets.
TIA,
Vamsee.
--
Because joy is
The best advise I can give you is to use a proper logging API :
Log4J is great :
http://logging.apache.org/log4j/docs/
http://logging.apache.org/log4j/docs/download.html
Just put your log4j.properties file in the classpath of your webapp (WEB-INF/classes),
and log4j will automatically use this
Sayeed
Try changing:
set CLASSPATH=C:\Apache\Tomcat\common\lib\servlet.jar
TO
set CLASSPATH=C:\Apache\Tomcat\common\lib\servlet-api.jar
shiv juluru wrote:
ok sayeed,
just open ur command prompt and give
cmdset
ya i am also agree with rruiz
if u getting problems like this ,use killall java in linux
Rodrigo Ruiz [EMAIL PROTECTED] wrote:
Maybe you have some non-daemon threads running. This would prevent the
JVM from exiting. I would do the following:
- Once the java process is frozen, ask it a thread
Hi,
As the error message hints, a common cause for this exception is the
client closing the browser while you're generating the page. People do
that often when they run into error pages, e.g. as soon as they see the
404 header. I don't know what the rest of your 404.jsp does, but you
should try
Hi,
I bet you have the context or init servlet declared twice. Can you post
the relevant parts from your server.xml and web.xml? (Or alternatively
just comment on my assertion?)
To answer some of you specific questions:
07/07/2004 11:04:53 WARN [http-8080-Processor4]
Yes, http-8080-Processor4
Hi,
Excellent answer by Rodrigo Ruiz. I wanted to correct one tiny part,
and for Tomcat it's a theoretical correction only, but since this a
common mistake and a blemish on an otherwise great post:
load-on-startup servlets are initialized on startup by the container.
But that doesn't mean they
Hi,
Use System.out.println to write to the console. Then take Mr.
Stockholm's advice and convert the log4j.
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Vamsee Kanakala [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 8:44 AM
To: Tomcat Users List
Hi,
Amen! The responses on the list so far have made my day! ;)
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Rodrigo Ruiz [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 6:29 AM
To: Tomcat Users List
Subject: Re: Problem with proper shutdown of tomcat
Hi,
Nagios is also an excellent tool along these lines.
You didn't mention you tomcat version, but recent ones have a switch in
$CATALINA_HOME/bin/catalina.sh which writes the PID out to a file of
your choice. This will be the actual PID and you don't have to write
the script yourself.
Yoav
Yes there is a problem with shutdown.
In linux you can use command killall -9 java to stop deamon java thread.
-Jignesh
On Wed, 2004-07-28 at 08:59, Shapira, Yoav wrote:
Hi,
Amen! The responses on the list so far have made my day! ;)
Yoav Shapira
Millennium Research Informatics
Hi Vamsee,
there is a log()-Method defined in the HttpServlet Interface. Just call
this.log(your debug msg);
from within your servlet, then the message should appear
HTH,
Thilo
Hello list users,
I'm using Tomcat on win2k. There is a window which is always open
when Tomcat runs. It shows
Re: Tomcat Admin Tool - Point taken. :-P
Re: jkMount -
If I understand correctly jkMount involves pointing Apache Virtual Hosts at specific
jk2 workers.
The example from the jakarta site shows:
# send all requests ending in .jsp to worker1
JkMount /*.jsp worker1
# send all requests jsp
I deleted all in work/localhost/ and re-run the server... it works !
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Hi,
I don't know, but what are the requirements for handling citrix metaframe ?
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Gunnar Pörschke [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 6:46 AM
To: 'Tomcat Users List'
Subject: Tomcat and citrix
A web server needed...
Or: is there a forward like jk2 mod for this:
www.mydomain.com - tomcat
www.mydomain.com/mycontent - tomcat content
www.mydomain.com/citrix - apache/iis whatever webserver listening on port
xyz with their content e.g. www.mydomain.com:xyz/Citrix
Could I make clear what
If that's a verbatim copy of your Context elements, make sure that the closing tag
is /Context, not /context. Otherwise, the document is not well-formed XML, and
won't be parsed by the Tomcat Digester.
Benjamin J. Armintor
Operations Systems Specialist
ITS-Systems: Mainframe Group
University
By adding the resource-ref tag to the web.xml and including the
ResourceLink tag in the Context of the server.xml it allieviated the
issues of the datasource not bound to the Context. However, I received
another error listed below
2004-07-28 08:59:49 StandardWrapperValve[jsp]:
Hi,
Well, Tomcat certainly is a web server, and can certainly handle requests by itself...
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Gunnar Pörschke [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 9:26 AM
To: 'Tomcat Users List'
Subject: AW: Tomcat
We are currently running version 5.0.19 and have been experiencing a gradual memory
leak on our MS Windows 2000 IIS web server. (TC is installed on our IIS box).
Last night we upgraded the ISAPI connector from version 2.0.2 to 2.0.4 and was
wondering if upgrading to TC 5.0.27 would help
org.apache.jasper.JasperException: /BillingInfo.jsp(1,16) quote symbol
expected
I am getting the above error, i am using struts tags in my BillingInfo.jsp.
Below is my BillingInfo.jsp...
%@ page contentType=text/html;charset=UTF-8 language=java %
%@ taglib uri=/WEB-INF/struts-html.tld
Hola,
Without knowing the cause of your memory leak, it's hard to tell whether
an upgrade will help. That said, it's usually a good idea to use the
latest stable version of any given product, especially if you test it
beforehand with your application.
As for the service upgrade process: I'm not
Hmm the jsp appears to be alright. What's in your
application.properties file for properties used in the html:errors/ tag?
Shilpa Nalgonda wrote:
org.apache.jasper.JasperException: /BillingInfo.jsp(1,16) quote symbol
expected
I am getting the above error, i am using struts tags in my
this is my application.properties file..
==
# -- standard errors --
errors.header=UL
errors.prefix=LI
errors.suffix=/LI
errors.footer=/UL
# -- validator --
errors.invalid={0} is invalid.
errors.maxlength={0} can not be greater than {1}
Well... worth a shot. This appears to be the stock, standard
application.properties file. Got me. I even ran this snippet through
an XML validator and other than missing tr.../tr around the row for
lastname and a missing /html ending tag, everything is good. Maybe
check the original file
yeah, that helped just by adding closing html and missing tr tags...thanks
for ur help.
-Original Message-
From: David Smith [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 10:33 AM
To: Tomcat Users List
Subject: Re: jasper exception in jsp -- please help..
Well... worth a
Cool. I would never have suspected missing tags to cause that error.
Glad to help.
--David
Shilpa Nalgonda wrote:
yeah, that helped just by adding closing html and missing tr tags...thanks
for ur help.
-Original Message-
From: David Smith [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July
I will be out of the office starting 07/28/2004 and will not return
until 09/07/2004.
I will be out of the office starting 07/28/2004 and will not return
until 09/07/2004.
If you need assistance for Express Link, please contact Mark at
214-665-2116.
If you need assistance for SDMS, please
I am using struts in my web application, My application is trying to create
a new user in the database when the user clicks on the submit button giving
teh user information.
And i am getting connection not found error. below is the error stack
trace...
WARNING: Unhandled Exception thrown: class
Missing tags/end tags can wreak havoc on a page. When I first got
started on this, I admit to being a tad sloppy. Hey, it worked in
BrandXBrowser, move on. Well, not good... Now I try to express
everything, if doc says such-and-such tag is assumed or default or
something I put it in
Hi all,
I am running tomcat 5 on Win2003 server, my single app. has
several threads running in the background (threads loading and writing
data, detecting URL connections).
Tomcat starting-up with 80 up 90 MB memory size as Win2003 shows in the
Tasks Manager, it keeps running stable
As I come to the end of my current contract and this e-mail address will
in all probability be decommissioned shortly I will soon unsubscribe
from this list ( hopefully with more success than others - you can take
no news as goodnews ;-) )
I just wanted to say thanks for the help, support (and
And good luck to you, Adam...
Cornell
-Original Message-
From: Adam Buglass [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 11:09
To: Tomcat Users List
Subject: Goodbye and Thanks
As I come to the end of my current contract and this e-mail address will
in all probability be
Hola,
Good luck and see you around ;)
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Adam Buglass [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 11:09 AM
To: Tomcat Users List
Subject: Goodbye and Thanks
As I come to the end of my current contract and
Hi,
Windows needs additional space for other things (including possibly idle
thread cleanup) and swaps your process into a paging area temporarily.
It's fairly standard practice, and as you noted results in no errors, so
don't worry about it.
Yoav Shapira
Millennium Research Informatics
Can someone please help on this error...
-Original Message-
From: Shilpa Nalgonda [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 11:03 AM
To: Tomcat Users List
Subject: getting Naming exception with struts...please help...
I am using struts in my web application, My
But windows has enough space, 2GB memory, Dual processors, this app. is
running but still Tomcat does not receive hits, what will happen if the
server has up to 500 visitors concurrently,
How windows will handle this?
How to make sure that JVM will not goes down?
-Original
Only you can answer these questions by testing your application with something like
Jmeter. Devise tests that replicate user behaviour and increase the load until it
breaks. Then you will be able to see what it can handle and how windows copes with the
load.
Ta
Matt
-Original
Hello!
just restart tomcat and your done... =)
aris
-Original Message-
From: Bussie, Andre D [mailto:[EMAIL PROTECTED]
Sent: Wed 7/28/2004 9:35 PM
To: [EMAIL PROTECTED]
Cc:
Subject:DataSource
By adding the resource-ref tag to the web.xml and including the
as others have stated, the only way to know is to stress test your
app. even without running a test, I can tell you IIS5 running on a
dual CPU box cannot handle 500 concurrent requests for dynamic pages.
500 concurrent requests for static files isn't a problem.
Depending on the kind of
Hi,
The only good way of knowing what your setup is capable of, is testing.
if you do not reach the 500 concurrent visitors mark in simulation
testings (using JMeter or some ohter stress tool) you will probably not
be able to serve 500 real concurrent users.
Be sure to run the test over night,
I don't think it's related to the IIS5, my web server is Tomcat5. how
many concurrent requests related to my hardware (JVM) and tomcat
threading.
I have MySql server 4.0.16 (max_connections=300), and Tomcat5 both
running on the same machine.
-Original Message-
From: Peter Lin
keep in mind that even if you set the max connections to 300, it
doesn't mean it can realiably handle 300 concurrent queries with good
performance. I would use JMeter to stress test the database with real
queries.
Once you get a picture of how the queries scale in relation to the
number of
I restarted Tomcat and I'm still receiving the following error
2004-07-28 12:56:27 StandardWrapperValve[jsp]: Servlet.service() for
servlet jsp threw exception
org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver of
class '' for connect URL 'null', cause:
Folks:
I wanted to find out if 5.0.19 is a production release, or just a
alpha/beta?
thanks,
-sunitha
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It was a production release but is far from the latest.
Ta
Matt
-Original Message-
From: Sunitha Kumar [mailto:[EMAIL PROTECTED]
Sent: 28 July 2004 18:26
To: [EMAIL PROTECTED]
Subject: 5.0.19 - production release?
Folks:
I wanted to find out if 5.0.19 is a production release, or just a
Hi,
5.0.19 is a production or stable release as we call it. There have been
a couple of stable releases since then (and several alpha/beta ones).
5.0.27 is the latest stable release.
Yoav Shapira
Millennium Research Informatics
-Original Message-
From: Sunitha Kumar [mailto:[EMAIL
Dear All,
I am in the process of porting/migrating a working web app from JRun 4 to
Tomcat 5 and have come across a custom tag processing problem that I am
ignorant about how to solve. I've looked through the tomcat docs and a
number of mail archives but haven't found anything pertinent to this
Important notice!
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I will be out of the office starting 07/28/2004 and will not return
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I will be out of the office starting 07/28/2004 and will not return
until 09/07/2004.
If you need assistance for Express Link, please contact Mark at
214-665-2116.
If you need assistance for SDMS, please
I cannot understand what you're asking man :(
the tomcat started again to serve, but the faces jar gets me error alwyas
- Original Message -
From: Hiroshi Iwatani [EMAIL PROTECTED]
To: Betto McRose G, [EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 3:00 PM
Subject: Re: Tomcat 5.0.27 /
Can't remember where I read it but it's something like this on
NT/2k/XP/2k3 family:
Windows is using the physical memory as cache to cache the real app
image in the swap file. So if your app has been idle for a while, it's
very likely to be swap out of the physical memory. This is regardless
Hi
I have 3 questions:
1. How can I enable redirection of errorLogs, accessLogs AND stdout/stderr
into MONTHLY files with tomcat 5.0.27+?
2. Is there any freeware tool to analyse tomcats accessLogs?
3. Is there an easy way to forward host/test/... to
http://127.0.0.1:8080/test/ (there is
I am writing a struts application...I have configued struts-config such that
when the user submit billing info,
the data is inserted into database and returns result.jsp page. when i run
my aplication the billing info is created in database but the result page is
displayed blank. Is there any in
try:
return (mapping.findForward(success));
[EMAIL PROTECTED] 07/28/04 02:44PM
I am writing a struts application...I have configued struts-config such that
when the user submit billing info,
the data is inserted into database and returns result.jsp page. when i run
my aplication the billing
Has anyone had time to think on this?
Any thoughts or advice is greatly appreciated.
Thx
From: Matthew Mamet [mailto:[EMAIL PROTECTED]
Sent: Wed 7/28/2004 9:10 AM
To: Tomcat Users List
Subject: RE: Point Apache at Tomcat Contexts via JkMount
Re: Tomcat Admin
On Wednesday 28 July 2004 03:47 pm, SH Solutions wrote:
3. Is there an easy way to forward host/test/... to
http://127.0.0.1:8080/test/ (there is apache in 8080, tomcat on 80). I
read that filters could do so, but found no example...
I used a simple HTML Redirect to accomplish this. I
Good input, but the site is not being accessed by anyone but me right now
and I sure did NOT cancel the page load. So, this is being caused by
something else...
Michael
- Original Message -
From: Shapira, Yoav [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Wednesday,
What's triggers this error message I've been trying to connect to a
datasource via JNDI on Tomcat 5.0.19 for the past couple of days and it
seems like when I fix one problem I run into another. Does anyone know
what causes this error message?
org.apache.commons.dbcp.SQLNestedException: Cannot
I not sure but when I did this for mysql and got this error. It was due
to the version of the driver that I used. The version that I had was
lower than what the java libraries was expecting. You may want to check
the driver to see what version of Java it works with.
Allen
-Original
I changed to success instead of result, but i have another problem
javax.servlet.ServletException: org/apache/jsp/result_jsp (wrong name:
org/apache/jsp/Result_jsp)
In the beginning i had path as result.jsp in forward element of struts
config file. But i have named the jsp as Result.jsp. But
Is it possible to have Tomcat interpret one URL, e.g.
http://www.mysite.com/dir/dir/file
to really load another one, e.g.
http://www.mysite.com/otherdir/otherfile.do
I think Apache can do this with mod_rewrite; is there a Tomcat
equivalent? I need this to maintain backward compatibility for
Hello everybody
Does anybody has a clue on why stopping the Tomcat takes ages? And why
some pages are never returned to the client although the servlets send
the output in less then a second?
Thank you,
Christina
-
To
-Original Message-
From: Shilpa Nalgonda [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 5:16 PM
To: Tomcat Users List
Subject: RE: struts problem..action forward not working...pleasehelp...
I changed to success instead of result, but i have another problem
Have you tried the HttpServletResponse .sendRedirect( String url ) method?
Robert S. Harper
801.265.8800 ex. 255
-Original Message-
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Jacob Weber
Sent: Wednesday, July 28, 2004 3:07 PM
To: [EMAIL PROTECTED]
Subject: Rewriting URLs in
At http://funkman.home.comcast.net/ I have a project called ServletUtils.
You can use either RedirectFilter or ForwardFilter. They both can use regex's.
-Tim
Jacob Weber wrote:
Is it possible to have Tomcat interpret one URL, e.g.
http://www.mysite.com/dir/dir/file
to really load another one, e.g.
From: Shilpa Nalgonda [EMAIL PROTECTED]
javax.servlet.ServletException: org/apache/jsp/result_jsp (wrong name:
org/apache/jsp/Result_jsp)
In the beginning i had path as result.jsp in forward element of struts
config file. But i have named the jsp as Result.jsp. But inorder to
correct it i
thanks it works
-Original Message-
From: Wendy Smoak [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 28, 2004 5:42 PM
To: Tomcat Users List
Subject: Re: why do we get ...javax.servlet.ServletException:
org/apache/jsp/result_jsp (wrong name:org/apache/jsp/Result_jsp)
From: Shilpa
Hello
Has anybody encounter this and knows what's to be done about it? I found
this in one of the logs:
CoyoteConnector Coyote can't register jmx for protocol
This started happening after I messed out the server.xml file or someone
messed up my deployment machine. I've googled for this error
Christina Androne wrote:
Has anybody encounter this and knows what's to be done about it? I
found this in one of the logs:
CoyoteConnector Coyote can't register jmx for protocol
What I forgot to add is that apparently the effect of this error is that
the browsers are never returned a response
Christina Androne wrote:
Christina Androne wrote:
Has anybody encounter this and knows what's to be done about it? I
found this in one of the logs:
CoyoteConnector Coyote can't register jmx for protocol
This other error shows up too:
2004-07-29 01:42:32
Christina Androne wrote:
Christina Androne wrote:
Has anybody encounter this and knows what's to be done about it? I
found this in one of the logs:
CoyoteConnector Coyote can't register jmx for protocol
This other error shows up too:
2004-07-29 01:42:32
Hi all,
I have a servlet that gets a bunch of data from the DB and returns in the
form of XML, in UTF-8. This has been working with all the 5x versions until
5.0.27. It seems to be caused specifically by the change listed in the
change log.
org.apache.cayote.tomcat5.CayoteResponse.java
Hi,
I think the exception already told you what going wrong
according to:
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-resources-howto.html
the url should be:
parameter
nameurl/name
valuejdbc:HypersonicSQL:database/value
/parameter
so if your database call testDB
the url
Tim Funk [EMAIL PROTECTED] wrote:
At http://funkman.home.comcast.net/ I have a project called ServletUtils.
You can use either RedirectFilter or ForwardFilter. They both can use regex's.
Robert Harper [EMAIL PROTECTED] wrote:
Have you tried the HttpServletResponse .sendRedirect( String url )
This message is totally harmless. It happens when you've removed the
ServerLifecycleListener from your server.xml file. The only thing that it
means is that the admin webapp won't work. Tomcat should otherwise function
normally.
Christina Androne [EMAIL PROTECTED] wrote in message
news:[EMAIL
broken-record
Tomcat 5.0.19 has a known memory leak when using the JkCoyote Connector.
Upgrading will remove the leak, as will setting:
request.registerRequests=false
in your jk2.properties file.
/broken-record
David Liles [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
We are
Hello list users,
Maybe this is not the best place to ask a general servlet doubt, but
I'm hoping someone can point out the mistake I'm making. I'm attaching a
servlet file (FetchEmployeeServlet.java), which for some strange reason,
gives a Null-Pointer Exception when accessing a function.
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