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Posted to users@wicket.apache.org by Dan Simko <wi...@gmail.com> on 2012/09/01 12:20:07 UTC
how to prevent the log file was full of exceptions
Hi,
I am looking for some solution how to log all exceptions in my code. I
tried to override onException method in RequestCycleListener but log file
was full of exceptions like this:
org.apache.wicket.protocol.http.servlet.ResponseIOException:
ClientAbortException: java.net.SocketException: Broken pipe
So I am thinking about something like this:
private static Class[] KNOWN_EXCEPTIONS =
{ListenerInvocationNotAllowedException.class, ResponseIOException.class};
@Override
public IRequestHandler onException(RequestCycle cycle, Exception ex) {
HttpServletRequest request = (HttpServletRequest)
cycle.getRequest().getContainerRequest();
if (ex instanceof PageExpiredException) {
LOG.debug(MessageFormat.format("PageExpiredException for
request ''{0}''", request.toString()));
}else if(isKnownException(ex)){
LOG.warn(MessageFormat.format("InternalErrorPage for request
''{0}'', Exception message ''{1}''", request.toString(), ex.getMessage()));
} else {
LOG.error(MessageFormat.format("InternalErrorPage for request
''{0}''", request.toString()), ex);
}
return super.onException(cycle, ex);
}
private boolean isKnownException(Exception ex) {
for (Class<? extends Throwable> clazz : KNOWN_EXCEPTIONS) {
if(Exceptions.findCause(ex, clazz) != null){
return true;
}
}
return false;
}
Is this right approach? If yes, another question is how to deal with this
exception:
2012-08-17 09:58:43,184 [http-77.48.124.51-80-32] ERROR
c.w.web.WicketRequestCycleListener - InternalErrorPage for request '
http://sportave.com/wicket/resource/com.wickeria.web.WickeriaApplication/jquery-and-wicket-ver-134BD6850DBC85F8DCBCD3A0DB7207C6.js
'
java.lang.IllegalStateException: Header was already written to response!
at
org.apache.wicket.protocol.http.HeaderBufferingWebResponse.checkHeader(HeaderBufferingWebResponse.java:64)
~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.protocol.http.HeaderBufferingWebResponse.sendError(HeaderBufferingWebResponse.java:105)
~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.http.handler.ErrorCodeRequestHandler.respond(ErrorCodeRequestHandler.java:77)
~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:814)
~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:302)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:225)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:281)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:245)
[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
[catalina-6.0.35.jar:6.0.35]
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
[spring-orm-3.1.1.RELEASE.jar:3.1.1.RELEASE]
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
[spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
[catalina-6.0.35.jar:6.0.35]
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
[tomcat-coyote-6.0.35.jar:6.0.35]
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
[tomcat-coyote-6.0.35.jar:6.0.35]
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
[tomcat-coyote-6.0.35.jar:6.0.35]
at java.lang.Thread.run(Thread.java:662) [na:1.6.0_26]
Can I prevent this exception? If not, would it be possible to change
IllegalStateException to some more specific wicket exception in order to
adding it to the KNOWN_EXCEPTIONS array?
Thank you very much!
Re: how to prevent the log file was full of exceptions
Posted by Korbinian <ko...@gmail.com>.
Hi,
exceptions are usually thrown with a reason - and the main reason why you
get so much in your log is that brix with wicket 6 isnt yet finished.
Especially the url-sharing part between brix and wicket is quite a problem
as brix relies on "full control" of the space while wickt 5 + 6 introduced
the concept of multiple url handlers - a concept brix itself never cared
for as it was created against 1.4 once and the traversal to wicket 5 and
wicket 6 never got finished yed. Especially the introduction of wicket 5
into brix is full of errors. I started to clear out many of them on the 6
branch, but hadn't enough time yet. Beside that I wanted to wait till
wicket 6 is released, as programming against dailies is problematic when
your low on time.
What brix currently needs is a logic similar to the SSL Url handler in
wicket 6, where requests go dont the flow while still the brix handler is
the "master" of these requests. I've done that on an experimental
base.
Best,
Kobinian
Am Samstag, 1. September 2012 12:20:10 UTC+2 schrieb wickeria:
>
> Hi,
>
> I am looking for some solution how to log all exceptions in my code. I
> tried to override onException method in RequestCycleListener but log file
> was full of exceptions like this:
>
> org.apache.wicket.protocol.http.servlet.ResponseIOException:
> ClientAbortException: java.net.SocketException: Broken pipe
>
> So I am thinking about something like this:
>
> private static Class[] KNOWN_EXCEPTIONS =
> {ListenerInvocationNotAllowedException.class, ResponseIOException.class};
>
> @Override
> public IRequestHandler onException(RequestCycle cycle, Exception ex) {
> HttpServletRequest request = (HttpServletRequest)
> cycle.getRequest().getContainerRequest();
> if (ex instanceof PageExpiredException) {
> LOG.debug(MessageFormat.format("PageExpiredException for
> request ''{0}''", request.toString()));
> }else if(isKnownException(ex)){
> LOG.warn(MessageFormat.format("InternalErrorPage for request
> ''{0}'', Exception message ''{1}''", request.toString(), ex.getMessage()));
> } else {
> LOG.error(MessageFormat.format("InternalErrorPage for request
> ''{0}''", request.toString()), ex);
> }
> return super.onException(cycle, ex);
> }
>
> private boolean isKnownException(Exception ex) {
> for (Class<? extends Throwable> clazz : KNOWN_EXCEPTIONS) {
> if(Exceptions.findCause(ex, clazz) != null){
> return true;
> }
> }
> return false;
> }
>
>
> Is this right approach? If yes, another question is how to deal with this
> exception:
>
> 2012-08-17 09:58:43,184 [http-77.48.124.51-80-32] ERROR
> c.w.web.WicketRequestCycleListener - InternalErrorPage for request '
> http://sportave.com/wicket/resource/com.wickeria.web.WickeriaApplication/jquery-and-wicket-ver-134BD6850DBC85F8DCBCD3A0DB7207C6.js
> '
> java.lang.IllegalStateException: Header was already written to response!
> at
> org.apache.wicket.protocol.http.HeaderBufferingWebResponse.checkHeader(HeaderBufferingWebResponse.java:64)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.HeaderBufferingWebResponse.sendError(HeaderBufferingWebResponse.java:105)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.http.handler.ErrorCodeRequestHandler.respond(ErrorCodeRequestHandler.java:77)
> ~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:814)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> ~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:302)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:225)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:281)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:245)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
> [spring-orm-3.1.1.RELEASE.jar:3.1.1.RELEASE]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
> [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at java.lang.Thread.run(Thread.java:662) [na:1.6.0_26]
>
>
> Can I prevent this exception? If not, would it be possible to change
> IllegalStateException to some more specific wicket exception in order to
> adding it to the KNOWN_EXCEPTIONS array?
>
>
> Thank you very much!
>
>
Re: how to prevent the log file was full of exceptions
Posted by Martin Grigorov <mg...@apache.org>.
Hi,
On Sat, Sep 1, 2012 at 12:20 PM, Dan Simko <wi...@gmail.com> wrote:
> Hi,
>
> I am looking for some solution how to log all exceptions in my code. I tried
> to override onException method in RequestCycleListener but log file was full
> of exceptions like this:
>
> org.apache.wicket.protocol.http.servlet.ResponseIOException:
> ClientAbortException: java.net.SocketException: Broken pipe
>
> So I am thinking about something like this:
>
> private static Class[] KNOWN_EXCEPTIONS =
> {ListenerInvocationNotAllowedException.class, ResponseIOException.class};
>
> @Override
> public IRequestHandler onException(RequestCycle cycle, Exception ex) {
> HttpServletRequest request = (HttpServletRequest)
> cycle.getRequest().getContainerRequest();
> if (ex instanceof PageExpiredException) {
> LOG.debug(MessageFormat.format("PageExpiredException for request
> ''{0}''", request.toString()));
> }else if(isKnownException(ex)){
> LOG.warn(MessageFormat.format("InternalErrorPage for request
> ''{0}'', Exception message ''{1}''", request.toString(), ex.getMessage()));
> } else {
> LOG.error(MessageFormat.format("InternalErrorPage for request
> ''{0}''", request.toString()), ex);
> }
> return super.onException(cycle, ex);
> }
>
> private boolean isKnownException(Exception ex) {
> for (Class<? extends Throwable> clazz : KNOWN_EXCEPTIONS) {
> if(Exceptions.findCause(ex, clazz) != null){
> return true;
> }
> }
> return false;
> }
>
>
> Is this right approach? If yes, another question is how to deal with this
> exception:
This is one way. Another is to create an extension to your preferred
logging framework. For example
http://logback.qos.ch/manual/filters.html
Also I see that you use MessageFormat. SLF4J supports that for you :
http://www.slf4j.org/manual.html - search for placeholders.
>
> 2012-08-17 09:58:43,184 [http-77.48.124.51-80-32] ERROR
> c.w.web.WicketRequestCycleListener - InternalErrorPage for request
> 'http://sportave.com/wicket/resource/com.wickeria.web.WickeriaApplication/jquery-and-wicket-ver-134BD6850DBC85F8DCBCD3A0DB7207C6.js'
> java.lang.IllegalStateException: Header was already written to response!
This exception should not be ignored. It means that you have written
some data to the browser and then you tried to send an error code or
try to redirect. This is not allowed. The browser may have already
rendered the data so far.
Better investigate why this happens and fix it.
> at
> org.apache.wicket.protocol.http.HeaderBufferingWebResponse.checkHeader(HeaderBufferingWebResponse.java:64)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.HeaderBufferingWebResponse.sendError(HeaderBufferingWebResponse.java:105)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.http.handler.ErrorCodeRequestHandler.respond(ErrorCodeRequestHandler.java:77)
> ~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:814)
> ~[wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> ~[wicket-request-6.0-20120809.004719-1476.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:302)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.executeExceptionRequestHandler(RequestCycle.java:311)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:225)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:281)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:245)
> [wicket-core-6.0-20120809.004947-1468.jar:6.0-SNAPSHOT]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
> [spring-orm-3.1.1.RELEASE.jar:3.1.1.RELEASE]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
> [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> [catalina-6.0.35.jar:6.0.35]
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
> [tomcat-coyote-6.0.35.jar:6.0.35]
> at java.lang.Thread.run(Thread.java:662) [na:1.6.0_26]
>
>
> Can I prevent this exception? If not, would it be possible to change
> IllegalStateException to some more specific wicket exception in order to
> adding it to the KNOWN_EXCEPTIONS array?
>
>
> Thank you very much!
>
> --
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--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com
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