date:20070910

Sorry I didn't respond earlier -- it's been a busy weekend.  Comments 
inline...


--David

[EMAIL PROTECTED] wrote:

Hi.

1. Your docBase and path attributes are at best optional. As long as 
your context.xml is delivered in your webapp's META-INF folder, it 
should be used automagically.





So context.xml and web.xml are fine? And yes, both are dployed with the 
application

  


Yes.  Aside from removing docBase and path attributes in context.xml.  
The name of the folder in tomcat's webapps folder will be the default 
for both path and docBase.


2. I would trade the autoReconnect=true parameter to the database url 
with a validationQuery attribute in the Resource .../ element. That 
tells the db pool to do use the query to do a quick test of the 
connection (and possibly recreate it) before you get it.





So i should remove autoReconnect=true from url parameter and add the 
validationQuery parameter? Which value should i assign to validationQuery?

  
The validation query can be as simple as 'select 1'.  The point is to 
exercise the connection and make sure it works before attempting to do 
any business.  autoReconnect=true on the db connect url will only 
reconnect after generating an exception.  See the MySQL site for details.


3. I see a lot of places where you catch and summarily eat the exception 
with no logging or even passing it up to the method's caller. If you 
don't pass it up and it's significant to the response, at least log it. 
If you are throwing a new exception in response to an underlying 
exception, pass the root cause along.



I didn't paste the whole code, just the structure of it... there are logs lines 
in those catches :)
 
  

Ok

4. If the Database class is truly stateless (no class instance 
variables) like what's listed, static methods are fine. However, I would 
personally keep the DataSource object around after the first access in 
some manner as a performance optimization for subsequent method calls. 
Maybe something to the effect of:


db = new Database() ;
Object something = db.getSomething() ;
Object something2 = db.getSomeOtherThing() ;



In this way, i would keep the db object around but the DataSource (according to 
my code) would be accessed each time due to the getConnection() method that is 
in each method of Database class, isn't it?

  

Right, but the getConnection() code would just something to the effect of:

if ( this.dbsource == null ) {
   // get the datasource
}
// Continue on with dbsource.getConnection() and finish.

In that case, store the DataSource object in the Database class and 
don't make any methods static.


Otherwise it looks good. Have you tried the code?




Yes, code is already in use but since i had some problems with the previous 
installation of tomcat (after some days connection pooling collapsed) i just 
wonder if the problem was the connection pooling or the bad tomcat installation 
(now i reinstalled it and seems acting in a better way).

Anyway, in the way it is, it shouldn't cause any problem in connection pooling, 
i mean, the code as it is, could cause any connection problem after some 
day/weeks of use? Or the pool is handled in the right way?
Thanks


  
I haven't seen any issue if you just make sure to close connections as 
soon as you are done with them.  I see in the code you are doing that, 
so no problem.




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Context deletion on redeploy

2007-09-10 Thread terenyi

Hi,

Is there a way to prevent Tomcat to delete the webappname.xml from
conf/Catalina/localhost at every redeployment?

I have application specific environment settings there, but at redeploy 
it gets deleted and I lose the settings. I have tried with and 
without context.xml in META-INF in my war. It gets copied to 
the conf/Catalina/localhost but contains the default settings.

I could use jndi with putting a resource link into the webapp's
META-INF/context.xml and defined the setting in GlobalResource. But now I
have to deploy the same webapp.war more times (with different name and 
settings) to the same Tomcat.

I use autodeploy (copy the .war to the webapps).

Please help!

Thanks,
Balázs

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Re: How to change the CLASSPATH in tomcat 5.028 for a concrete webservice

I wold STRONLY recommend you DO NOT touch the CLASSPATH env variable.  
It's just a horrible idea.  What is it about your webservice that 
requires the alteration of CLASSPATH?  Can you describe that a bit 
more?  The standard classloader structure works very well in virtually 
all other cases.


--David

Tomás Tormo wrote:

Hi again

 I've tried to set the classpath in catalina.sh in order to have my 
own classpath set when tomcat starts up ( I show it in catalina.sh as 
well and it looks good). But my problem is that when I show it in my 
webservice (using 
System.out.println(System.getProperty(java.class.path))) it is 
changed again (it only points to a few jar files in /bin folder) and 
therefore my webservice can't work properly. Shouldn't it be pinting 
to my my /webapp/webservice/WEB-INF/lib folder as well? Does anybody 
know how to fix this problem?


Hakan: I've tried the solution you gave me (create a setenv.sh script 
called from startup.sh) but tomcat don't start up!


Thank you very much for your future answers :p

Tomás Tormo escribió:

Hi Hakan

First of all thank you for your fast answer ;).

Do you mean to create an script called setenv.sh wich will set the 
CLASSPATH (by export CLASSPATH.. etc)? This script should be called 
by a modified startup.sh?


By they way, I printed the CLASSPATH in my webservice (using 
System.out.println(System.getProperty(java.class.path)); ) and it 
says that my CLASSPATH is only pointing to a few jars in the bin 
folder, not even to my /lib folder in my webservice folder (I hope I 
explained myself well, I'm not using war files). Shouldn't it be 
pointing to my /webapp/webservice/WEB-INF/lib folder as well?


Thank you!!

Greetings!!



Hakan Koseoglu escribió:

Hi Tomás,
Tomás Tormo said the following on 09/10/2007 08:26 AM:
I would like to change the classpath for a concrete webservice in 
Tomcat 5.028 because the webservice has to use a concrete folder in 
order to work. This folder should be in the CLASSPATH in order to 
make the webservice work properly and because the webservice can't 
find it, it doesn't work.
With Tomcat 5, creating a setenv.sh solves the problem for me. It 
gets called if you start the Tomcat using startup.sh.


Any variable you define there will be used, including the classpath. 
We use it to point to the libraries which we don't put into 
common/lib nor war files.







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Re: SPAM Re: How to change the CLASSPATH in tomcat 5.028 for a concrete webservice

2007-09-10 Thread Tomás Tormo


Hi David

  I'm using tomcat 5.028 in Ubuntu 6.10 . I've written a java 
applicattion wich uses a wrapper to communicate with an applicattion 
written in C, wich is the core of my applicattion. Both the wrapper 
and the core are third party applicattions, and because of that i don't 
have the source code, I just have the API.


The third party sent me an example application wich uses the core. And, 
as I could see in the script wich lauches the application, this folder 
should be added to the classpath in order to be able to be located by 
the wrapper applicattion. The documentation of the wrapper just says 
that this folder has to exist with an specific name.


My problem is that my applicattion works fine launched from shell (it 
founds the folder and uses the core perfectly) but it doesn't work as a 
webservice. It is not able to find the resource folder (let's call it 
cfg). As I can see in the catalina log, the application tries to load 
the resources (via ClassLoader I guess) and then launches an exception 
saying that is not able to find it. The client  gets a HTTPErrorCode0.


I think I've tried everything to make it find the folder, but I wasn't 
successful. do you have any idea?


thank you very  much

David Smith escribió:
I wold STRONLY recommend you DO NOT touch the CLASSPATH env variable.  
It's just a horrible idea.  What is it about your webservice that 
requires the alteration of CLASSPATH?  Can you describe that a bit 
more?  The standard classloader structure works very well in virtually 
all other cases.


--David

Tomás Tormo wrote:

Hi again

 I've tried to set the classpath in catalina.sh in order to have my 
own classpath set when tomcat starts up ( I show it in catalina.sh as 
well and it looks good). But my problem is that when I show it in my 
webservice (using 
System.out.println(System.getProperty(java.class.path))) it is 
changed again (it only points to a few jar files in /bin folder) and 
therefore my webservice can't work properly. Shouldn't it be pinting 
to my my /webapp/webservice/WEB-INF/lib folder as well? Does anybody 
know how to fix this problem?


Hakan: I've tried the solution you gave me (create a setenv.sh script 
called from startup.sh) but tomcat don't start up!


Thank you very much for your future answers :p

Tomás Tormo escribió:

Hi Hakan

First of all thank you for your fast answer ;).

Do you mean to create an script called setenv.sh wich will set the 
CLASSPATH (by export CLASSPATH.. etc)? This script should be called 
by a modified startup.sh?


By they way, I printed the CLASSPATH in my webservice (using 
System.out.println(System.getProperty(java.class.path)); ) and it 
says that my CLASSPATH is only pointing to a few jars in the bin 
folder, not even to my /lib folder in my webservice folder (I hope I 
explained myself well, I'm not using war files). Shouldn't it be 
pointing to my /webapp/webservice/WEB-INF/lib folder as well?


Thank you!!

Greetings!!



Hakan Koseoglu escribió:

Hi Tomás,
Tomás Tormo said the following on 09/10/2007 08:26 AM:
I would like to change the classpath for a concrete webservice in 
Tomcat 5.028 because the webservice has to use a concrete folder 
in order to work. This folder should be in the CLASSPATH in order 
to make the webservice work properly and because the webservice 
can't find it, it doesn't work.
With Tomcat 5, creating a setenv.sh solves the problem for me. It 
gets called if you start the Tomcat using startup.sh.


Any variable you define there will be used, including the 
classpath. We use it to point to the libraries which we don't put 
into common/lib nor war files.







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RE: Legal Risk of Using Tomcat

2007-09-10 Thread Peter Crowther

 From: Irvine, Chuck R [EQ] [mailto:[EMAIL PROTECTED] 
 There are many in the company I work for that would like to leverage
 open source software in general and and Tomcat in particular. However,
 our legal staff resists the idea because of perceived legal risks. I
 know that there are companies who provide indemnification as part of
 their open source support products, but I wonder to what extent such
 indemnification is really necessary.

[Disclaimer: I Am Not A Lawyer, I've just worked with several of them on
various OSS issues.  Disregard this message if the legal framework in
your country is not precedent-based]

Without knowing *which* risks your legal staff are concerned about, it's
difficult to comment specifically.  The biggest risk I've seen lawyers
concerned about goes roughly as follows:

- Open Source software was not covered in my course, there is no
specific primary legislation, there have been few cases through insert
top court of country concerned and there is therefore little precendent
to go on;

- Therefore if I recommend for it I will be risking my career, whereas
if I recommend against it I will not;

- I am a lawyer, I am self-selected to be risk averse, therefore I will
recommend against it.

To an extent, this is fair enough.  OSS licensing is a new area.  Test
cases are sparse, and therefore it's genuinely difficult for lawyers to
know which way the courts will rule when such cases do come through.
Therefore the risks *are* somewhat higher than with commercial software,
where there's decades or centuries of precedent to go on.

The risks can typically be addressed for any given product, for example
by sourcing it from a company that provides support and indemnification,
*if* you can get the legal team to state precisely what the risks are.
I'm guessing you won't get a clear statement of the risks out of them,
or it'll take a long time as they research the issues.

- Peter

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Re: SPAM Re: How to change the CLASSPATH in tomcat 5.028 for a concrete webservice

Can you post a) the working classpath from the command line and b) the 
stack trace you get when it's launched as a webservice?


One other thought that comes to mind is you might want to check all your 
environment variables as a user and as a webservice -- see if the 
installation created something that's not in the profile tomcat is 
running under.


I still think setting CLASSPATH should be an absolutely last resort.

--David

Tomás Tormo wrote:

Hi David

  I'm using tomcat 5.028 in Ubuntu 6.10 . I've written a java 
applicattion wich uses a wrapper to communicate with an applicattion 
written in C, wich is the core of my applicattion. Both the wrapper 
and the core are third party applicattions, and because of that i 
don't have the source code, I just have the API.


The third party sent me an example application wich uses the core. 
And, as I could see in the script wich lauches the application, this 
folder should be added to the classpath in order to be able to be 
located by the wrapper applicattion. The documentation of the wrapper 
just says that this folder has to exist with an specific name.


My problem is that my applicattion works fine launched from shell (it 
founds the folder and uses the core perfectly) but it doesn't work as 
a webservice. It is not able to find the resource folder (let's call 
it cfg). As I can see in the catalina log, the application tries to 
load the resources (via ClassLoader I guess) and then launches an 
exception saying that is not able to find it. The client  gets a 
HTTPErrorCode0.


I think I've tried everything to make it find the folder, but I wasn't 
successful. do you have any idea?


thank you very  much

David Smith escribió:
I wold STRONLY recommend you DO NOT touch the CLASSPATH env 
variable.  It's just a horrible idea.  What is it about your 
webservice that requires the alteration of CLASSPATH?  Can you 
describe that a bit more?  The standard classloader structure works 
very well in virtually all other cases.


--David

Tomás Tormo wrote:

Hi again

 I've tried to set the classpath in catalina.sh in order to have my 
own classpath set when tomcat starts up ( I show it in catalina.sh 
as well and it looks good). But my problem is that when I show it in 
my webservice (using 
System.out.println(System.getProperty(java.class.path))) it is 
changed again (it only points to a few jar files in /bin folder) and 
therefore my webservice can't work properly. Shouldn't it be pinting 
to my my /webapp/webservice/WEB-INF/lib folder as well? Does anybody 
know how to fix this problem?


Hakan: I've tried the solution you gave me (create a setenv.sh 
script called from startup.sh) but tomcat don't start up!


Thank you very much for your future answers :p

Tomás Tormo escribió:

Hi Hakan

First of all thank you for your fast answer ;).

Do you mean to create an script called setenv.sh wich will set the 
CLASSPATH (by export CLASSPATH.. etc)? This script should be called 
by a modified startup.sh?


By they way, I printed the CLASSPATH in my webservice (using 
System.out.println(System.getProperty(java.class.path)); ) and it 
says that my CLASSPATH is only pointing to a few jars in the bin 
folder, not even to my /lib folder in my webservice folder (I hope 
I explained myself well, I'm not using war files). Shouldn't it be 
pointing to my /webapp/webservice/WEB-INF/lib folder as well?


Thank you!!

Greetings!!



Hakan Koseoglu escribió:

Hi Tomás,
Tomás Tormo said the following on 09/10/2007 08:26 AM:
I would like to change the classpath for a concrete webservice in 
Tomcat 5.028 because the webservice has to use a concrete folder 
in order to work. This folder should be in the CLASSPATH in order 
to make the webservice work properly and because the webservice 
can't find it, it doesn't work.
With Tomcat 5, creating a setenv.sh solves the problem for me. It 
gets called if you start the Tomcat using startup.sh.


Any variable you define there will be used, including the 
classpath. We use it to point to the libraries which we don't put 
into common/lib nor war files.







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Using foreign session ids

2007-09-10 Thread Thomas Gelzhaeuser

Hi all.

I have a small problem here and could use some toughts how to handle that.

A client to my tomcat application will send me a kind of session
identifier as part of the request. Is it possible somehow to emulate
the following behaviour:

- if the session identifier is unknown - start a new session on the
requested webapp (with a predefined session timeout to prevent wasting
resources)

- if the session identifier is known - use the session for the request
with which the session was started.

There is not much more what has to be done there. There is no data
which has to be replicated to the requesting server or anything else.

Any ideas how to start on this?

Thanks

Thomas.

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MOD_JK

2007-09-10 Thread Andrew Hole

Hello!

How can I call from Apache HTTP Server using mod_jk, an web application that
is not on Context.XML Directory?
Basically I've an application located on WEBAPPS, but WEBAPPS is not
Context.XML directory.

Could you help me please?

Thanks a lot

Re: mod_jk - connectionTimeout en connection_pool_timeout

2007-09-10 Thread Henk Fictorie


Changing to the default for retries fixed our problem.

I still have one question. How does retries  1 work for a loadbalancer with
sticky requests?
A user started a session on a worker and got a jvmRoute to that worker in
its session cookie.
The worker fails and is put in error state. Will a sticky request for that
worker be routed to another worker or will the request fail?

regards Henk



Henk Fictorie wrote:
 
 Rainer,
 
 Thanks for your response.
 You mentioned our setting of retries=1, so I reread the documentation to
 find out that it actually means 'no retries'. I have now commented out
 that line, so it will get the default value of 2.
 It will let you know if it helped.
 
 regards Henk
 

-- 
View this message in context: 
http://www.nabble.com/mod_jk---connectionTimeout-en-connection_pool_timeout-tf4390617.html#a12591428
Sent from the Tomcat - User mailing list archive at Nabble.com.


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RE: Connection pooling, is it the right way to do it?

 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
 Subject: RE: Connection pooling, is it the right way to do it?

 at this link 
 http://www.onjava.com/pub/a/onjava/2006/04/19/database-connect
 ion-pooling-with-tomcat.html i see the two parameters, but i 
 suppose there are correct since the context is added to 
 server.xml instead of context.xml. Is it right?

That URL is currently giving out a 500 error, but from your description,
it appears to be somewhat out of date (true of much 3rd-party
documentation).  Use the real Tomcat doc:
http://tomcat.apache.org/tomcat-5.5-doc/config/context.html

 - 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.

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RE: SPAM Re: How to change the CLASSPATH in tomcat 5.028 for aconcrete webservice

 From: David Smith [mailto:[EMAIL PROTECTED] 
 Subject: Re: *SPAM* Re: How to change the CLASSPATH in tomcat 
 5.028 for aconcrete webservice

 I still think setting CLASSPATH should be an absolutely last resort.

Strongly agree, and even trying to do so is likely a complete waste of
time.

There shouldn't be any need for the native library to be in the same
location as the .jar (or .class) file that refers to it; the compiled
Java code should be placed in WEB-INF/lib or WEB-INF/classes, and the
location of the native code given on he LD_LIBRARY_PATH environment
variable.

 - 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.

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Graphics2D problems with Tomcat 5.5.23 on Windows machine

2007-09-10 Thread Gia Hieu Dinh


Hi, 
I encounter a problem with Image Resize on Apache Tomcat 5.5.23. I have
Tomcat installed on Windows machine, but whenever I call some
function/method/declaration from java.awt (i.e.
BufferedImage.createGraphics) it raises the following problem: 

Exception in thread Image Fetcher 0 java.lang.UnsatisfiedLinkError: no
jpeg in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
at java.lang.Runtime.loadLibrary0(Runtime.java:823)
at java.lang.System.loadLibrary(System.java:1030)
at
sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:50)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.image.JPEGImageDecoder.clinit(JPEGImageDecoder.java:39)
at
sun.awt.image.InputStreamImageSource.getDecoder(InputStreamImageSource.java:214)
at
sun.awt.image.ByteArrayImageSource.getDecoder(ByteArrayImageSource.java:41)
at
sun.awt.image.InputStreamImageSource.doFetch(InputStreamImageSource.java:240)
at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:172)
at sun.awt.image.ImageFetcher.run(ImageFetcher.java:136)
java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1173)
at
sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:146)
at sun.awt.FontConfiguration.init(FontConfiguration.java:71)
at
sun.awt.windows.WFontConfiguration.init(WFontConfiguration.java:23)
at
sun.awt.Win32GraphicsEnvironment.createFontConfiguration(Win32GraphicsEnvironment.java:256)
at
sun.java2d.SunGraphicsEnvironment$1.run(SunGraphicsEnvironment.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at
sun.java2d.SunGraphicsEnvironment.init(SunGraphicsEnvironment.java:105)
at
sun.awt.Win32GraphicsEnvironment.init(Win32GraphicsEnvironment.java:70)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
at
java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1135)
at
org.apache.axis2.handler.module.imageProcessor.ImageProcessorHandler.invoke(ImageProcessorHandler.java:93)
at org.apache.axis2.engine.Phase.invoke(Phase.java:382)
at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:522)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:655)
at
org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:48)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:497)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:328)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:254)
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:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:619) 

As I understand, they cannot get the localGraphicsEnvironment. I try to set
java.awt.headless = true, but the exception is raised even before they check
for java.awt.headless. 
Could you please help me figure out this exception.

RE: Graphics2D problems with Tomcat 5.5.23 on Windows machine

 From: Gia Hieu Dinh [mailto:[EMAIL PROTECTED] 
 Subject: Graphics2D problems with Tomcat 5.5.23 on Windows machine

 Exception in thread Image Fetcher 0 
 java.lang.UnsatisfiedLinkError: no jpeg in java.library.path
 at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
 at java.lang.Runtime.loadLibrary0(Runtime.java:823)
 at java.lang.System.loadLibrary(System.java:1030)
 at
 sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:50)
 at java.security.AccessController.doPrivileged(Native Method)
 at 
 sun.awt.image.JPEGImageDecoder.clinit(JPEGImageDecoder.java:39)

What JVM are you using?  Have you changed the java.library.path system
property?

There should be a jpeg.dll file in your jre\bin directory.  You may have
a corrupted JVM installation and may need to reinstall it.  (Note that
this has nothing to do with being headless - graphics manipulation is
always available.)

 - Chuck

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Re: Graphics2D problems with Tomcat 5.5.23 on Windows machine

The stack doesn't indicate this to be a graphics environment problem.  
Further, it looks like from the stack that you are on a Windows 
environment where there should always be a graphics environemt.  It does 
indicate it can't load a file or library.  What version of Java do you have?


--David

Gia Hieu Dinh wrote:

Hi, 
I encounter a problem with Image Resize on Apache Tomcat 5.5.23. I have

Tomcat installed on Windows machine, but whenever I call some
function/method/declaration from java.awt (i.e.
BufferedImage.createGraphics) it raises the following problem: 


Exception in thread Image Fetcher 0 java.lang.UnsatisfiedLinkError: no
jpeg in java.library.path
   at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
   at java.lang.Runtime.loadLibrary0(Runtime.java:823)
   at java.lang.System.loadLibrary(System.java:1030)
   at
sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:50)
   at java.security.AccessController.doPrivileged(Native Method)
   at sun.awt.image.JPEGImageDecoder.clinit(JPEGImageDecoder.java:39)
   at
sun.awt.image.InputStreamImageSource.getDecoder(InputStreamImageSource.java:214)
   at
sun.awt.image.ByteArrayImageSource.getDecoder(ByteArrayImageSource.java:41)
   at
sun.awt.image.InputStreamImageSource.doFetch(InputStreamImageSource.java:240)
   at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:172)
   at sun.awt.image.ImageFetcher.run(ImageFetcher.java:136)
java.lang.NullPointerException
   at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1173)
   at
sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:146)
   at sun.awt.FontConfiguration.init(FontConfiguration.java:71)
   at
sun.awt.windows.WFontConfiguration.init(WFontConfiguration.java:23)
   at
sun.awt.Win32GraphicsEnvironment.createFontConfiguration(Win32GraphicsEnvironment.java:256)
   at
sun.java2d.SunGraphicsEnvironment$1.run(SunGraphicsEnvironment.java:197)
   at java.security.AccessController.doPrivileged(Native Method)
   at
sun.java2d.SunGraphicsEnvironment.init(SunGraphicsEnvironment.java:105)
   at
sun.awt.Win32GraphicsEnvironment.init(Win32GraphicsEnvironment.java:70)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
   at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
   at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
   at java.lang.Class.newInstance0(Class.java:355)
   at java.lang.Class.newInstance(Class.java:308)
   at
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
   at
java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1135)
   at
org.apache.axis2.handler.module.imageProcessor.ImageProcessorHandler.invoke(ImageProcessorHandler.java:93)
   at org.apache.axis2.engine.Phase.invoke(Phase.java:382)
   at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:522)
   at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:655)
   at
org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:48)
   at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:497)
   at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:328)
   at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:254)
   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:269)
   at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
   at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
   at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
   at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
   at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
   at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
   at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
   at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
   at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
   at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
   at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
   at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)

Error-page directive not working

2007-09-10 Thread Neil Aggarwal

Hello:

I added this error-page directive in my web.xml for an
app I am developing using Struts 2:

  error-page
exception-typejava.lang.Exception/exception-type
location/error.action/location
  /error-page

The error.action exists and loads correctly:
http://cbsweb.jammconsulting.com/cbsweb/error.action

I then created a jsp which throws an exception:
%throw new Exception(Testing error handling);%

Which I linked to this url:
http://cbsweb.jammconsulting.com/cbsweb/createError.action

When I load that url, I get an error in the tomcat log
but the error page does not come up on the browser.

Any ideas what went wrong?

Here is the output in catalina.out:

Sep 2, 2007 4:04:58 PM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.Exception: Testing error handling
at
org.apache.jsp.createError_jsp._jspService(createError_jsp.java:54)
// Rest of trace removed

Any ideas how to correct this?

Thanks,
Neil

--
Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com
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Force URL encoding

2007-09-10 Thread Michael Dehmlow


Hello I'm looking for a way to force url session tracking regardless of
whether the user has  cookies enabled. My thoughts right now are to create a
session filter that deletes the cookie on the way out the door. if this
seems like a good idea who should I go about deleting the the cookie.
-- 
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Re: Force URL encoding

2007-09-10 Thread Len Popp

You can just set cookies=false in the Context element in the app's
context.xml file.
See the docs for your version of Tomcat for details.
-- 
Len

On 9/10/07, Michael Dehmlow [EMAIL PROTECTED] wrote:

 Hello I'm looking for a way to force url session tracking regardless of
 whether the user has  cookies enabled. My thoughts right now are to create a
 session filter that deletes the cookie on the way out the door. if this
 seems like a good idea who should I go about deleting the the cookie.
 --
 View this message in context: 
 http://www.nabble.com/Force-URL-encoding-tf4415223.html#a12594298
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Re: Concurrency with HttpSession

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Wade,

Wade Chandler wrote:
 Do you want to file a bug or do you want me to? I'm
 looking at the Tomcat 6.0.9 source code.

Even if nobody decides to do anything, please PLEASE log this bug and
get this discussion into bugzilla.

Thanks,
- -chris

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Re: Force URL encoding

2007-09-10 Thread Michael Dehmlow


The caviot to my question was that I wanted to force session rewritting for
only one servlet. But I now see the flaw in this if another servlet in the
same context sets a cookie (jsessionid) that cookie will now be set for the
all other servlets as well. The solution is to use the cookies=false in the
context file. And simply encode all URLs.

Michael Dehmlow wrote:
 
 Hello I'm looking for a way to force url session tracking regardless of
 whether the user has  cookies enabled. My thoughts right now are to create
 a session filter that deletes the cookie on the way out the door. if this
 seems like a good idea who should I go about deleting the the cookie.
 

-- 
View this message in context: 
http://www.nabble.com/Force-URL-encoding-tf4415223.html#a12596041
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Re: Using foreign session ids

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Thomas,

Thomas Gelzhaeuser wrote:
 - if the session identifier is known - use the session for the request
 with which the session was started.

You can make any request to a Tomcat server using a session id encoded
in the URL like this:

http://host/resource;jsessionid=[sessionid]

This will act just like any other client, and if the session id is
valid, it will be used.

 - if the session identifier is unknown - start a new session on the
 requested webapp (with a predefined session timeout to prevent wasting
 resources)

Do you mean that you want Tomcat to use the session id provided after
creating it? Tomcat doesn't do this... if you request an invalid session
id, you'll get a new session with an unrelated session id.

Hope that helps,
- -chris
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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: classpath problems with a custom valve

 Shouldn't my war be able to see the classes from a jar 
 put into server/lib?

No - read the doc:
http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html

You probably need to put your jar in common/lib.

 - Chuck

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Re: Error-page directive not working

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Neil,

Neil Aggarwal wrote:
 When I load that url, I get an error in the tomcat log
 but the error page does not come up on the browser.

What /do/ you get in the browser?

- -chris
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Understanding jvmRoute usage

2007-09-10 Thread Gerhardus.Geldenhuis

Hi
I am going through all of the potential settings I can set for mod_jk
and am not sure how the route property in mod_jk might be used.
 
I understand that this help to differentiate different servers in a load
balanced cluster to prevent sessions getting mixed up and to do session
stickyness.
 
If however this defaults to machine name this would only be used when
running two instances of tomcat on the same physical box. It then seems
to me that the only time you would really use jvmroute is when you have
multiple instances of tomcat running on the same box.
 
Does anyone know of other scenarios when this might be usefull or
imaginative ways of using this.
 
Regards

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Re: [OT/RANT] Quartz

2007-09-10 Thread Ben Souther

Hehe.

It's amazing what you can do with one line of code using cron and wget.





On Thu, 2007-09-06 at 17:43, Christopher Schultz wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1
 
 Doesn't anyone know how to use cron anymore?
 
 Sheesh...
 
 - -chris
 
 Andrew Hole wrote:
  I can't find an example of using Quartz to scheduling jobs on Tomcat Web
  application.
  Someone already work with Quartz? Could you share a hello world sample?
  
  Thanks a lot
  
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Re: Using foreign session ids

2007-09-10 Thread Thomas Gelzhaeuser

On 9/10/07, Christopher Schultz [EMAIL PROTECTED] wrote:
 Thomas Gelzhaeuser wrote:
  - if the session identifier is known - use the session for the request
  with which the session was started.

 You can make any request to a Tomcat server using a session id encoded
 in the URL like this:

 http://host/resource;jsessionid=[sessionid]

 This will act just like any other client, and if the session id is
 valid, it will be used.

  - if the session identifier is unknown - start a new session on the
  requested webapp (with a predefined session timeout to prevent wasting
  resources)

 Do you mean that you want Tomcat to use the session id provided after
 creating it? Tomcat doesn't do this... if you request an invalid session
 id, you'll get a new session with an unrelated session id.

Hi Chris.

Thanks for your answer. I guess I have to clarify my situation here a
bit: We are creating an application which will run as a kind of slave
to another (for us completely unknown) application server. This server
has a kind of custom session handling and all it can provide to us is
an identifier of the session used by that server.

Thus we need to mimik somehow the session handling provided by the
other server. The open question for me ist where the entry point to
such a thing is (I think it's quite improbable that we are the first
ones actually trying to solve a problem like this)

Thanks.

Thomas.

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Re: classpath problems with a custom valve

based on this document I placed my jar in server/lib as both web apps and
tomcat need access to the classes in this jar.   Still it will not boot.  If
i use a servlet filter that is in the same jar everything works fine, so it
has something to do with the Valve.

WARNING: Catalina.start using conf/server.xml:
java.lang.ClassNotFoundException: com.jamonapi.http.JAMonTomcatValve
at org.apache.tomcat.util.digester.Digester.createSAXException(
Digester.java:2726)
at org.apache.tomcat.util.digester.Digester.createSAXException(
Digester.java:2752)
at org.apache.tomcat.util.digester.Digester.startElement(Digester.java
:1279)
at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(
AbstractSAXParser.java:533)
at
com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement
(AbstractXMLDocumentParser.java:220)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement
(XMLDocumentFragmentScannerImpl.java:872)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch
(XMLDocumentFragmentScannerImpl.java:1693)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument
(XMLDocumentFragmentScannerImpl.java:368)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(
XML11Configuration.java:834)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(
XML11Configuration.java:764)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(
XMLParser.java:148)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(
AbstractSAXParser.java:1242)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
at org.apache.catalina.startup.Catalina.load(Catalina.java:490)
at org.apache.catalina.startup.Catalina.start(Catalina.java:544)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
Sep 10, 2007 1:11:45 PM org.apache.catalina.startup.Catalina start

On 9/10/07, Caldarale, Charles R [EMAIL PROTECTED] wrote:

  From: Steve Souza [mailto:[EMAIL PROTECTED]
  Subject: classpath problems with a custom valve
 
  Shouldn't my war be able to see the classes from a jar
  put into server/lib?

 No - read the doc:
 http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html

 You probably need to put your jar in common/lib.

 - Chuck


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Re: [OT/RANT] Quartz

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Ben,

Ben Souther wrote:
 Hehe.
 
 It's amazing what you can do with one line of code using cron and wget.

For real.

I've never found an application where it makes sense to have a scheduled
job run inside the webapp.

I realize that lots of folks don't have direct access to their own
production servers (basically WAR drop-offs), but when you start to need
your own scheduled jobs, it's time to grow up and admin your own boxes.

- -chris
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Re: Using foreign session ids

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Thomas,
 Thanks for your answer. I guess I have to clarify my situation here a
 bit: We are creating an application which will run as a kind of slave
 to another (for us completely unknown) application server. This server
 has a kind of custom session handling and all it can provide to us is
 an identifier of the session used by that server.
 
 Thus we need to mimik somehow the session handling provided by the
 other server.

Hmm... I'm not sure of your exact situation, but I'll tell you how we do
something similar.

We have a Cocoon instance sitting in front of part of our application,
and it's (intentionally) within the same URL space. The user logs into
the normal part of the application, and then (later) issues a request to
Cocoon. Here's what happens:

- - Cocoon gets the session id from the cookie sent from the client.
- - Cocoon uses a dynamic URL (including session id, unmodified by
  using request.getRequestedSessionId) to call the real application
  and fetch XML data for transformation

This works very well for us since Cocoon doesn't need its own sessions.
We basically just pass-through the session id provided by the client.

We do something similar yet completely different when we use Cocoon (in
the same context as above) to make a request to a secondary service that
supports sessions. This secondary service returns XML (again) and
includes the session id that the server has chosen. Cocoon sniffs that
session id and uses it to make any callbacks to this service using the
;jsessionid technique.

I hope that helps a little. Basically, using
request.getRequestedSessionId can be used to get a session id, even if
it's invalid in the eyes of /your/ server.

- -chris
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Re: Concurrency with HttpSession

2007-09-10 Thread Wade Chandler

I had been too quick with it before, and came up with
what I think is a better fix. I haven't submitted a
patch, but I suppose I could. I work on the NetBeans
project and it would be about the same. For anyone
interested in this issue it is at:
http://issues.apache.org/bugzilla/show_bug.cgi?id=43343

Wade

--- Christopher Schultz [EMAIL PROTECTED]
wrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1
 
 Wade,
 
 Wade Chandler wrote:
  Do you want to file a bug or do you want me to?
 I'm
  looking at the Tomcat 6.0.9 source code.
 
 Even if nobody decides to do anything, please PLEASE
 log this bug and
 get this discussion into bugzilla.
 
 Thanks,
 - -chris
 
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 =Cugw
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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: Re: classpath problems with a custom valve

 based on this document I placed my jar in server/lib as both 
 web apps and tomcat need access to the classes in this jar.

What part of the Tomcat doc led you to that conclusion?  It's clear from
even a cursory reading (or just looking at the picture) that classes in
server/lib are not available to webapps.  As I said before, put your jar
in common/lib.

 - Chuck

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Re: [OT/RANT] Quartz

2007-09-10 Thread Wade Chandler

Well, I have a couple of web applications which suck
up a thread for such things as well. I do it so that I
can schedule processes through this single application
and the end people do not need anything else, and also
because if they had to admin their own servers in
these instances it would just look bad on me as the
scheduled processes need to be configured by simple
end users who don't know anything about the server. I
guess it really depends on the usages, and these
applications run on Windows or *nix. I don't use
Quartz, but instead just some custom classes.

Wade

--- Christopher Schultz [EMAIL PROTECTED]
wrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1
 
 Ben,
 
 Ben Souther wrote:
  Hehe.
  
  It's amazing what you can do with one line of code
 using cron and wget.
 
 For real.
 
 I've never found an application where it makes sense
 to have a scheduled
 job run inside the webapp.
 
 I realize that lots of folks don't have direct
 access to their own
 production servers (basically WAR drop-offs), but
 when you start to need
 your own scheduled jobs, it's time to grow up and
 admin your own boxes.
 
 - -chris
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 Comment: Using GnuPG with Mozilla -
 http://enigmail.mozdev.org
 

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Re: classpath problems with a custom valve

i apologize for the typo.  I actually meant to say i put the jar in
shared/lib.  Based on the documentation I think that is where it should go.
common/lib is for jars are only needed by web apps whereas shared/lib is for
web apps AND tomcat.   Being as the valve should be used by tomcat i put it
in shared/lib.

If I put the jar in shared/lib my war which references some of the classes
to display the data gets a ClassNotFoundException.  I also tried putting it
in common/lib then the server doesn't boot and i get a
ClassNotFoundException on my valve.

From the link:
http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html

*Shared* - This class loader is the place to put classes and resources that
you wish to share across *ALL* web applications (unless Tomcat internal
classes also need access, in which case you should put them in the
*Common*class loader instead).All unpacked classes and resources in
$CATALINA_BASE/shared/classes, as well as classes and resources in JAR files
under $CATALINA_BASE/shared/lib, are made visible through this class loader.
If multiple Tomcat instances are run from the same binary using the
$CATALINA_BASE environment variable, then this classloader repositories are
relative to $CATALINA_BASE rather than $CATALINA_HOME.

On 9/10/07, Caldarale, Charles R [EMAIL PROTECTED] wrote:

  From: Steve Souza [mailto:[EMAIL PROTECTED]
  Subject: Re: classpath problems with a custom valve
 
  based on this document I placed my jar in server/lib as both
  web apps and tomcat need access to the classes in this jar.

 What part of the Tomcat doc led you to that conclusion?  It's clear from
 even a cursory reading (or just looking at the picture) that classes in
 server/lib are not available to webapps.  As I said before, put your jar
 in common/lib.

 - Chuck


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Re: [OT/RANT] Quartz

2007-09-10 Thread David kerber

I've had good luck creating timed events with java.util.Timer and 
java.util.TimerTask.  No external libs needed...


D


Ben Souther wrote:

Hehe.

It's amazing what you can do with one line of code using cron and wget.





On Thu, 2007-09-06 at 17:43, Christopher Schultz wrote:
  

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Doesn't anyone know how to use cron anymore?

Sheesh...

- -chris

Andrew Hole wrote:


I can't find an example of using Quartz to scheduling jobs on Tomcat Web
application.
Someone already work with Quartz? Could you share a hello world sample?

Thanks a lot

  

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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: Re: classpath problems with a custom valve

 common/lib is for jars are only needed by web apps whereas 
 shared/lib is for web apps AND tomcat.

Read the doc again - you have it backwards.

 - Chuck

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Re: Force URL encoding

2007-09-10 Thread Michael Dehmlow


Alright now I have another problem which is baffling me:

I have:
%@ page session=true %
'%=response.encodeURL(test/) %' 
in a jsp page.
the result is always 'test/'
so i tried forcing:
'%=test;jsessionid=+request.getSession().getId() %'
And the result looks like i expect it too

But when I make another request tomcat the session I've appended.

I have a session filter which:
In my context.xml file i have:

?xml version=1.0 encoding=UTF-8 ?
Context cookies=false/Context

While the session is not stored in a cookie it appears that tomcat is not
finding the session i specify. which I think has something to do with the
fact that encodeURL does not work.

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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: Re: classpath problems with a custom valve

 I get the following exception which seems odd as I saw the missing
class in
 catalina.jar and I compiled against it.

Java classloading hierarchy is not bidirectional - classes can see only
up the tree (unless you're using reflection).  For Tomcat 5.5, I think
you'll need to refactor your code, separating the valve and the part
needed by both the valve and the webapp.  The jar containing valve
proper should be placed in server/lib, and the jar holding the common
bits into common/lib.

If you moved up to Tomcat 6, the classloading hierarchy is much simpler;
your existing jar would just go into the single lib directory.

 - Chuck

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Re: Understanding jvmRoute usage

2007-09-10 Thread Rainer Jung


[EMAIL PROTECTED] wrote:

Hi
I am going through all of the potential settings I can set for mod_jk
and am not sure how the route property in mod_jk might be used.
 
I understand that this help to differentiate different servers in a load

balanced cluster to prevent sessions getting mixed up and to do session
stickyness.
 
If however this defaults to machine name this would only be used when

running two instances of tomcat on the same physical box. It then seems
to me that the only time you would really use jvmroute is when you have
multiple instances of tomcat running on the same box.
 
Does anyone know of other scenarios when this might be usefull or

imaginative ways of using this.
 
Regards


The load balancer docs 
http://tomcat.apache.org/connectors-doc/generic_howto/loadbalancers.html 
tell us:


===

If you want to use session stickyness, you must set different jvmRoute 
attributes in the Engine element in Tomcat's server.xml. Furthermore the 
names of the workers which are managed by the balancer have to be equal 
to the jvmRoute of the Tomcat instance they connect with.


===

The workers properties documentation gives us information about the 
alternative attribute route:


===

Normally the name of a balanced worker in a load balancer is equal to 
the jvmRoute of the corresponding Tomcat instance. If you want to 
include a worker corresponding to a Tomcat instance into several load 
balancers with different balancing configuration (e.g. disabled, 
stopped) you can use this attribute.


Define a seperate worker per lb and per Tomcat instance with an 
arbitrary worker name and set the route attribute of the worker equal to 
the jvmRoute of the target Tomcat instance.


If this attribute is left empty, the name of the worker will be used.

This attribute can be changed at runtime using status worker.

===

Regards,

Rainer

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mod_jk --enable-prefork

2007-09-10 Thread fredk2


Hi,

The documentation for  mod_jk (eg. version 1.2.25) about --enable-prefork 
says:

In case you build mod_jk for a multi-threaded Apache httpd 2.0/2.2 MPM
(Multi-Processing Module), some areas of mod_jk code need to be synchronized
to make it thread-safe. Because configure can not easily detect, whether
your are using a multi-threaded MPM, mod_jk by default is always build
thread-safe for Apache httpd 2.0/2.2. If you are sure, that your MPM is not
multi-threaded, you can use --enable-prefork to force the removal of the
synchronization code (thus increasing performance a bit). For instance, the
prefork MPM is not multi-threaded. For Apache httpd 1.3 this flag will be
set automatically.


If you specify apxs, doesn't it require a config_vars.mk which has a value
pair MPM_NAME = prefork  and thus configure could know that prefork was
used?
Alternatively assuming that apxs is in the same directory then 'httpd -V'
could tell that 
Server MPM: Prefork


The question I have: if the Apache httpd v2.2 is prefork and the mod_jk is
compiled default threaded, are there any potential instabilities? (on
Solaris and Linux)

Many thanks - Fred
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Re: mod_jk --enable-prefork

2007-09-10 Thread Rainer Jung


fredk2 wrote:

Hi,

The documentation for  mod_jk (eg. version 1.2.25) about --enable-prefork 
says:


In case you build mod_jk for a multi-threaded Apache httpd 2.0/2.2 MPM
(Multi-Processing Module), some areas of mod_jk code need to be synchronized
to make it thread-safe. Because configure can not easily detect, whether
your are using a multi-threaded MPM, mod_jk by default is always build
thread-safe for Apache httpd 2.0/2.2. If you are sure, that your MPM is not
multi-threaded, you can use --enable-prefork to force the removal of the
synchronization code (thus increasing performance a bit). For instance, the
prefork MPM is not multi-threaded. For Apache httpd 1.3 this flag will be
set automatically.


If you specify apxs, doesn't it require a config_vars.mk which has a value
pair MPM_NAME = prefork  and thus configure could know that prefork was
used?
Alternatively assuming that apxs is in the same directory then 'httpd -V'
could tell that 
Server MPM: Prefork


You are right: apxs -q MPM_NAME would do the trick. I didn't find that 
one, thanks. On the other hand, we would still need to manage a list of 
MPMs (which MPM on which platform is single-threaded) and there is some 
danger, that people have more than one mpm installed (like on many linux 
distros) and compile against prefork, later use against worker. All in 
all I'm still in favor of building thread safe by default and only when 
explicitely requested removing the thread synchronization.



The question I have: if the Apache httpd v2.2 is prefork and the mod_jk is
compiled default threaded, are there any potential instabilities? (on
Solaris and Linux)


No, not that we aware of any. On both platforms, the default was 
building thread safe for a long time. We use pthread mutexes and no 
problems have been reported with those.



Many thanks - Fred


Regards,

Rainer

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when does use mod_jk and jni?

2007-09-10 Thread fredk2


Hi,

Reading the documentation for mod_jk (1.2.25   --enable-jni), I am curious
about something.
In what case do you use mod_jk jni ?

Thank you - Fred
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Re: mod_jk --enable-prefork

2007-09-10 Thread fredk2


Many thanks for your reply.
Is it always implied that if an apache module is deemed 'thread safe' it
also implies that it will work in prefork environment maybe at the cost of
raw performance ?

Thanks again - Fred


Rainer Jung-3 wrote:
 
 fredk2 wrote:
 Hi,
 
 The documentation for  mod_jk (eg. version 1.2.25) about --enable-prefork 
 says:
 
 In case you build mod_jk for a multi-threaded Apache httpd 2.0/2.2 MPM
 (Multi-Processing Module), some areas of mod_jk code need to be
 synchronized
 to make it thread-safe. Because configure can not easily detect, whether
 your are using a multi-threaded MPM, mod_jk by default is always build
 thread-safe for Apache httpd 2.0/2.2. If you are sure, that your MPM is
 not
 multi-threaded, you can use --enable-prefork to force the removal of
 the
 synchronization code (thus increasing performance a bit). For instance,
 the
 prefork MPM is not multi-threaded. For Apache httpd 1.3 this flag will be
 set automatically.
 
 
 If you specify apxs, doesn't it require a config_vars.mk which has a
 value
 pair MPM_NAME = prefork  and thus configure could know that prefork was
 used?
 Alternatively assuming that apxs is in the same directory then 'httpd -V'
 could tell that 
 Server MPM: Prefork
 
 You are right: apxs -q MPM_NAME would do the trick. I didn't find that 
 one, thanks. On the other hand, we would still need to manage a list of 
 MPMs (which MPM on which platform is single-threaded) and there is some 
 danger, that people have more than one mpm installed (like on many linux 
 distros) and compile against prefork, later use against worker. All in 
 all I'm still in favor of building thread safe by default and only when 
 explicitely requested removing the thread synchronization.
 
 The question I have: if the Apache httpd v2.2 is prefork and the mod_jk
 is
 compiled default threaded, are there any potential instabilities? (on
 Solaris and Linux)
 
 No, not that we aware of any. On both platforms, the default was 
 building thread safe for a long time. We use pthread mutexes and no 
 problems have been reported with those.
 
 Many thanks - Fred
 
 Regards,
 
 Rainer
 
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RE: Connection pooling, is it the right way to do it?

 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
 Subject: RE: Connection pooling, is it the right way to do it?

 I can find the part where doc says that context shouldn't be 
 put in server.xml but in context.xml, but can't see the part 
 where docbase and path shouldn't be specified.

http://tomcat.apache.org/tomcat-5.5-doc/config/context.html

path   ... The value of this field must not be set except when
statically defining a Context in server.xml, as it will be inferred from
the filenames used for either the .xml context file or the docBase.

Looks like the analogous constraint on the docBase attribute has
disappeared from the doc.  When docBase is specified and the target is
under the Host appBase directory, the deployment is likely to become
corrupted or occur twice.

 - Chuck

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Default error page

2007-09-10 Thread Arend P. van der Veen


Hi,

I have been looking through the documentation to see if it is possible 
to change the default error pages in tomcat.  For example, I currently 
have entries like


error-page
  error-code404/error-code
  location/error.html/location
/error-page

in my web.xml file.  The problem is that I must include seperate entries 
for each error-code.  Is there a way of catching all of the errors with 
one error code?  I have the same question for exception catching.


The main reason why this is important to me is that I must hide the 
internals of my application from my users.  One part of that task is to 
replace the error pages with custom ones.


Thanks,
Arend van der Veen
[EMAIL PROTECTED]


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Re: classpath problems with a custom valve

That worked.  I created my valve as a single class and put it in
server/classes.  I kept my jar in common/lib.  I tried inheriting from the
valve in my jar and that didn't work, so i copied that code into a new
package and it worked fine.  It is still a bit mysterious and not ideal as
installation requires a class put in server/classes as well as the jar in
common/lib, but it will do.  If  there is a better way to do this let me
know.  Thanks for your help charles.

On 9/10/07, Caldarale, Charles R [EMAIL PROTECTED] wrote:

  From: Steve Souza [mailto:[EMAIL PROTECTED]
  Subject: Re: classpath problems with a custom valve
 
  I get the following exception which seems odd as I saw the missing
 class in
  catalina.jar and I compiled against it.

 Java classloading hierarchy is not bidirectional - classes can see only
 up the tree (unless you're using reflection).  For Tomcat 5.5, I think
 you'll need to refactor your code, separating the valve and the part
 needed by both the valve and the webapp.  The jar containing valve
 proper should be placed in server/lib, and the jar holding the common
 bits into common/lib.

 If you moved up to Tomcat 6, the classloading hierarchy is much simpler;
 your existing jar would just go into the single lib directory.

 - Chuck


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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: Re: classpath problems with a custom valve

 It is still a bit mysterious and not ideal as installation
 requires a class put in server/classes as well as the jar in
 common/lib, but it will do.

Using a valve is by necessity tying you into Tomcat internals.  If you
could use a filter instead, you would avoid that dependency and make
what you're doing more portable.

 If  there is a better way to do this let me know.

Move to Tomcat 6 - life's a lot simpler (and faster).

 - Chuck

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Re: classpath problems with a custom valve

To answer a couple of your questions.

I am getting ready to release jamon 2.7 which will monitor performance of
tomcat 5.5 and tomcat 6 and other http related stats for the server and have
them viewable in a searchable/sortable webpage.  It will have summary stats
like which pages are currently executing, what was max/min/avg time for each
page, as well as being able to track the N slowest page requests and also be
able to show stack traces via the web page and much more.

jamon comes with choices on how you want to monitor your app including a
servlet filter, and a valve.  I work in an environment where i can't enforce
developers to use the servlet filters, but can change the valve.  Others
have the opposite situation so both valves and filters are useful.   I had
already gotten the valve to work in tomcat 6, but also know there are a lot
of users that won't be able to upgrade to tomcat 6 for a while.

What is confusing to me is why when i put my jar into server/lib, the web
app doesn't also have access to classes loaded from there. Other server
products I have used in the past allowed you to put jars at the server level
and all web apps could see any classes loaded by the server class loader.

Someone mentioned that i may be able to use the context property of
'priviledged' to do this.  I tried it and it didn't seem to help though I
may have missed something.  Should that work?

On 9/10/07, Caldarale, Charles R [EMAIL PROTECTED] wrote:

  From: Steve Souza [mailto:[EMAIL PROTECTED]
  Subject: Re: classpath problems with a custom valve
 
  It is still a bit mysterious and not ideal as installation
  requires a class put in server/classes as well as the jar in
  common/lib, but it will do.

 Using a valve is by necessity tying you into Tomcat internals.  If you
 could use a filter instead, you would avoid that dependency and make
 what you're doing more portable.

  If  there is a better way to do this let me know.

 Move to Tomcat 6 - life's a lot simpler (and faster).

 - Chuck


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RE: Connection pooling, is it the right way to do it?

2007-09-10 Thread [EMAIL PROTECTED]

ok thanks

  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
  Subject: RE: Connection pooling, is it the right way to do it?

  I can find the part where doc says that context shouldn't be
  put in server.xml but in context.xml, but can't see the part
  where docbase and path shouldn't be specified.

 http://tomcat.apache.org/tomcat-5.5-doc/config/context.html

 path ... The value of this field must not be set except when
 statically defining a Context in server.xml, as it will be inferred from
 the filenames used for either the .xml context file or the docBase.

 Looks like the analogous constraint on the docBase attribute has
 disappeared from the doc.  When docBase is specified and the target is
 under the Host appBase directory, the deployment is likely to become
 corrupted or occur twice.

  - Chuck

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Re: Force URL encoding

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Michael,

Michael Dehmlow wrote:
 '%=response.encodeURL(test/) %' 

This should work.

 '%=test;jsessionid=+request.getSession().getId() %'

Don't do this; find out what the problem is and fix that. I realize this
is only a test, but it's good to debug it before you replicate a hack
everywhere.

 ?xml version=1.0 encoding=UTF-8 ?
 Context cookies=false/Context
 
 While the session is not stored in a cookie

Have you verified that no cookie exchange is occurring? If you have a
cookie left over from a previous run-through, Tomcat might be using that
for session identification and therefore leaving the ;jsessionid=...
off of encoded URLs. I wouldn't be surprised if the TC code is very
tolerant of this kind of abuse, rather than simply saying okay, cookies
are disabled; we'll completely ignore them.

 it appears that tomcat is not
 finding the session i specify. which I think has something to do with the
 fact that encodeURL does not work.

If your session does not exist, then encodeURL isn't going to change
anything. Make sure that the session exists; I'm guessing that the JSP
page directive session=true ensures that?

Try purging your cookies for the test site and see if that fixes anything.

- -chris
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VOq1VVtIZP4/jTxztVwPtzU=
=CYVf
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Re: Default error page

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Arend,

Arend P. van der Veen wrote:
 The problem is that I must include seperate entries
 for each error-code.  Is there a way of catching all of the errors with
 one error code?

No.

 I have the same question for exception catching.

Yes:

error-page
exception-typejava.lang.Throwable/exception
location/error.html/location
/error-page

- -chris
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RE: classpath problems with a custom valve

 From: Steve Souza [mailto:[EMAIL PROTECTED] 
 Subject: Re: classpath problems with a custom valve

 What is confusing to me is why when i put my jar into 
 server/lib, the web app doesn't also have access to 
 classes loaded from there. 

Look at the 5.5 classloader hierarchy:

  Bootstrap
  |
   System
  |
   Common
  /  \
 Catalina   Shared
 /   \
Webapp1  Webapp2 ... 

The server/lib directory (Catalina in the above picture) isn't visible
to webapps.

 Someone mentioned that i may be able to use the context 
 property of 'priviledged' to do this.

That deals with accessibility, not visibility.

 - Chuck

THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
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RE: Connection pooling, is it the right way to do it?

2007-09-10 Thread [EMAIL PROTECTED]

  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
  Subject: RE: Connection pooling, is it the right way to do it?

  I can find the part where doc says that context shouldn't be
  put in server.xml but in context.xml, but can't see the part
  where docbase and path shouldn't be specified.

 http://tomcat.apache.org/tomcat-5.5-doc/config/context.html

 path ... The value of this field must not be set except when
 statically defining a Context in server.xml, as it will be inferred from
 the filenames used for either the .xml context file or the docBase.

 Looks like the analogous constraint on the docBase attribute has
 disappeared from the doc.  When docBase is specified and the target is
 under the Host appBase directory, the deployment is likely to become
 corrupted or occur twice.

  - Chuck

Anyway, my code was taken from the tomcat 5.5 doc:
http://tomcat.apache.org/tomcat-5.5-doc/jndi-datasource-examples-howto.html
but probably that Context was put in the server.xml file, else it should be 
wrong, according to what you say.
And there is the ?autoReconnect=true option to url parameters too.. just to 
show that i got the code from an official jakarta tomcat page :) Anyway, i 
removed autoReconnect and docBase and path parameters.. hope that's all to have 
the web application fully performing.

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tc xmlhttprequest

Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page with a 
jsp:forward outside of the web-inf.  Do I also have to fully unc path to the 
*.js files, like src=localhost:8080/context/intPages/myScripts.js ?

RES: tc xmlhttprequest

2007-09-10 Thread Milanez, Marcus

Hi,

These questions sound really strange to me. Are you using an AJAX
framework like DWR ? If not, I guess you should give it a try:
http://getahead.org/dwr . You can easily find installing and deployment
instructions there.

Yours,

Marcus

-Mensagem original-
De: Chris Pat [mailto:[EMAIL PROTECTED] 
Enviada em: segunda-feira, 10 de setembro de 2007 19:23
Para: Tomcat
Assunto: tc  xmlhttprequest

Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page
with a jsp:forward outside of the web-inf.  Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?

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Re: RES: tc xmlhttprequest

Hi Marcus
Sorry.  I have an ajax page.  It works.  I need to add other technologies to 
it, the easiest way is with TC.  I want to graft on ajax to TC technology, 
and got the error about directly accessing security violations.  But the 
javascript code is not executing, so I was hoping someone had some tips on how 
to configure to access the script files.  Thank you for the references, I will 
look into to those, now I just need to get this done, grin.

Milanez, Marcus [EMAIL PROTECTED] wrote: Hi,

These questions sound really strange to me. Are you using an AJAX
framework like DWR ? If not, I guess you should give it a try:
http://getahead.org/dwr . You can easily find installing and deployment
instructions there.

Yours,

Marcus

-Mensagem original-
De: Chris Pat [mailto:[EMAIL PROTECTED] 
Enviada em: segunda-feira, 10 de setembro de 2007 19:23
Para: Tomcat
Assunto: tc  xmlhttprequest

Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page
with a jsp:forward outside of the web-inf.  Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?

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Re: tc xmlhttprequest

2007-09-10 Thread Nathan Bahr

hmm what exactly do you need ajax for? From my recollection, ajax is
simply a method of making mini-requests to the server so the interaction
with your webapp is a bit more fluid. As for that last bit, I have found
that you can specify the path as /FolderInWebApp/Script/myScript.js
instead of using the fully qualified name. When you start the path with
'/' it looks in the base webapp directory. Lemme know if this helps any.

 [EMAIL PROTECTED] 09/10/07 3:23 PM 
Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page
with a jsp:forward outside of the web-inf.  Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?



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RES: RES: tc xmlhttprequest

2007-09-10 Thread Milanez, Marcus

Hi,

Ok, let me try to help you anyway. 

Inside the web-inf directory, you usualy store classes and classloader
related stuff, like .jar or .properties files. Storing *.js files
inside this direcory could possibly mean two things:

1) Your are not really accessing .js files directly. Instead, you are
accessing a servlet that maps these url patterns to its instance. In
these cases, you *must* know the full servlet class name, including of
course its package name, in order to correctly map it in your web.xml
application file. 

2) Someone has stored these kind of files in that directory by mistake.
In these case, just move all the files you need somewhere outside. 

When you say TC technology, you mean the mobile thing? Have they
provided you a .jar file to accomplish AJAX, or you are trying to create
your own AJAX engine that uses its resources?

Yours,

Marcus


-Mensagem original-
De: Chris Pat [mailto:[EMAIL PROTECTED] 
Enviada em: segunda-feira, 10 de setembro de 2007 19:39
Para: Tomcat Users List
Assunto: Re: RES: tc  xmlhttprequest

Hi Marcus
Sorry.  I have an ajax page.  It works.  I need to add other
technologies to it, the easiest way is with TC.  I want to graft on
ajax to TC technology, and got the error about directly accessing
security violations.  But the javascript code is not executing, so I was
hoping someone had some tips on how to configure to access the script
files.  Thank you for the references, I will look into to those, now I
just need to get this done, grin.

Milanez, Marcus [EMAIL PROTECTED] wrote: Hi,

These questions sound really strange to me. Are you using an AJAX
framework like DWR ? If not, I guess you should give it a try:
http://getahead.org/dwr . You can easily find installing and deployment
instructions there.

Yours,

Marcus

-Mensagem original-
De: Chris Pat [mailto:[EMAIL PROTECTED] Enviada em: segunda-feira, 10 de
setembro de 2007 19:23
Para: Tomcat
Assunto: tc  xmlhttprequest

Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page
with a jsp:forward outside of the web-inf.  Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?

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For additional commands, e-mail: [EMAIL PROTECTED]



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problem with accessClassInPackage exceptions with Java 5 web application

2007-09-10 Thread hairdawgg


Hi All,

I have been upgrading our web application using (Tomcat 5.x) and our EJB
Container (weblogic 10) to java 5. While deploying the new java 5 compiled
war file in tomcat I get the following exceptions when I attempt to make
remote calls to weblogic 10:


Sep 7, 2007 10:32:53 AM org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource Sep 7, 2007
10:32:53 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2547 ms
Error: access denied (java.lang.RuntimePermission
accessClassInPackage.com.securatrak.flexui.util.delegate)
Error: access denied (java.lang.RuntimePermission
accessClassInPackage.com.securatrak.flexui.util.delegate)
.
etc..

I am not sure to how these classes are blocked. I checked out the
java.policy and the security.properties files and none of these internal
classes have blocked access there.

I can workaround this problem by adding the access rights explicitly in the
java.policy file as so:

permission java.lang.RuntimePermission
accessClassInPackage.com.securatrak.flexui.util.*;
permission java.lang.RuntimePermission
accessClassInPackage.com.securatrak.bom.parts.*;
permission java.lang.RuntimePermission
accessClassInPackage.com.securatrak..*;

However I am not sure why I would need to do this as these are our internal.
Does anyone know of any issues with connecting to a Weblogic Appserver using
Tomcat and Java 5.

Please let me know if you need any other information.;

I would greatly appreciate any of your help. Thanks,

Harpreet Sandhu
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Re: tc xmlhttprequest

If you are linking from inside a jsp page and using jsp spec 1.2+ / 
servlet spec 2.4+, you can do this:


script type=text/javascript 
src=${request.contextPath}/intPages/myScripts.js!-- --/script


The comment is there if you are using xml valid jsp to prevent tomcat 
from collapsing the script tag and breaking it in IE.


The EL expression ${request.contextPath} fetches the context path live 
so you don't have to hard code.  Otherwise this is a server relative 
path and the client will automagically add the 
http://[servername]:[port] part.


--David


Chris Pat wrote:

Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page with a 
jsp:forward outside of the web-inf.  Do I also have to fully unc path to the 
*.js files, like src=localhost:8080/context/intPages/myScripts.js ?

  



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Re: tc xmlhttprequest



As for that last bit, I have found
that you can specify the path as /FolderInWebApp/Script/myScript.js
You still need either the context path or make it relative to the page's 
URL or the client won't be able to resolve it.  This doesn't work like 
the jsp internals that are aware of the context path.


--David

Nathan Bahr wrote:

hmm what exactly do you need ajax for? From my recollection, ajax is
simply a method of making mini-requests to the server so the interaction
with your webapp is a bit more fluid. As for that last bit, I have found
that you can specify the path as /FolderInWebApp/Script/myScript.js
instead of using the fully qualified name. When you start the path with
'/' it looks in the base webapp directory. Lemme know if this helps any.

  

[EMAIL PROTECTED] 09/10/07 3:23 PM 


Hello
Any tips on serving a ajax page with tomcat?  I am now calling the page
with a jsp:forward outside of the web-inf.  Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?



-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

  



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Re: tc xmlhttprequest

Hi David
I did it partially this way, and it works. My objects in the js file are 
executing.  
bean:page id=context property=request/
bean:define id=myServletContexthttp://bean:write name=context  
property=serverName/:bean:write name=context 
property=serverPort/bean:write name=context 
property=contextPath///bean:define

  titledecarta javascript api example/title
  script language=JavaScript  type=text/javascript src=bean:write 
name=myServletContext//extPages/myScripts.js!-- --/script

However I still get the Permission denied to call XMLHttpRequest.open...  I 
thought by putting a jsp:forward outside my WEB-INF and calling it internally 
from localhost I would avoid that and worry about how to access it from 
Internet; now I first have to get around this security issue on localhost so I 
can test and ass-ume it will also allow access from browsers externally.


David Smith [EMAIL PROTECTED] wrote: 
 As for that last bit, I have found
 that you can specify the path as /FolderInWebApp/Script/myScript.js
You still need either the context path or make it relative to the page's 
URL or the client won't be able to resolve it.  This doesn't work like 
the jsp internals that are aware of the context path.

--David

Nathan Bahr wrote:
 hmm what exactly do you need ajax for? From my recollection, ajax is
 simply a method of making mini-requests to the server so the interaction
 with your webapp is a bit more fluid. As for that last bit, I have found
 that you can specify the path as /FolderInWebApp/Script/myScript.js
 instead of using the fully qualified name. When you start the path with
 '/' it looks in the base webapp directory. Lemme know if this helps any.

   
 [EMAIL PROTECTED] 09/10/07 3:23 PM 
 
 Hello
 Any tips on serving a ajax page with tomcat?  I am now calling the page
 with a jsp:forward outside of the web-inf.  Do I also have to fully unc
 path to the *.js files, like
 src=localhost:8080/context/intPages/myScripts.js ?



 -
 To start a new topic, e-mail: users@tomcat.apache.org
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]

   


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Re: tc xmlhttprequest

No comment on the whole bean construct other than to say that's too
complicated for my tastes.

My personal preference on the whole resources inside of WEB-INF front is
to just place the resources outside of WEB-INF. Then configure a
security constraint or write a filter on the request to handle access
control. Just seems easier to me.

--David

Chris Pat wrote:

Hi David
I did it partially this way, and it works. My objects in the js file are executing.
bean:page id=context property=request/

bean:define id=myServletContexthttp://bean:write name=context property=serverName/:bean:write name=context
property=serverPort/bean:write name=context property=contextPath///bean:define

titledecarta javascript api example/title
script language=JavaScript type=text/javascript src=bean:write
name=myServletContext//extPages/myScripts.js!-- --/script

However I still get the Permission denied to call XMLHttpRequest.open... I
thought by putting a jsp:forward outside my WEB-INF and calling it internally from
localhost I would avoid that and worry about how to access it from Internet; now I
first have to get around this security issue on localhost so I can test and ass-ume
it will also allow access from browsers externally.

David Smith [EMAIL PROTECTED] wrote:

As for that last bit, I have found
that you can specify the path as /FolderInWebApp/Script/myScript.js

You still need either the context path or make it relative to the page's
URL or the client won't be able to resolve it. This doesn't work like
the jsp internals that are aware of the context path.

--David

Nathan Bahr wrote:

hmm what exactly do you need ajax for? From my recollection, ajax is
simply a method of making mini-requests to the server so the interaction
with your webapp is a bit more fluid. As for that last bit, I have found
that you can specify the path as /FolderInWebApp/Script/myScript.js
instead of using the fully qualified name. When you start the path with
'/' it looks in the base webapp directory. Lemme know if this helps any.

[EMAIL PROTECTED] 09/10/07 3:23 PM

Hello
Any tips on serving a ajax page with tomcat? I am now calling the page
with a jsp:forward outside of the web-inf. Do I also have to fully unc
path to the *.js files, like
src=localhost:8080/context/intPages/myScripts.js ?

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Re: tc xmlhttprequest