We are using Wicket in our Admin console and sometimes an OutOfMemory
problem occurs.
Have you ever experienced such a problem?
Here the stacktrace:
2008-02-01 09:19:04,460 [FilePageSerializingThread-Admin] ERROR STDERR -
Exception in thread "FilePageSerializingThread-Admin"
2008-02-01 09:19:04,460 [FilePageSerializingThread-Admin] ERROR STDERR -
java.lang.OutOfMemoryError: PermGen space
2008-02-01 09:48:40,189 [TP-Processor1] ERROR
org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/admin].[default]
- Servlet.service() for servl
et default threw exception
java.lang.OutOfMemoryError: PermGen space
2008-02-01 09:49:48,847 [TP-Processor24] ERROR
org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/admin].[default]
- Servlet.service() for serv
let default threw exception
java.lang.OutOfMemoryError: PermGen space
2008-02-01 09:53:49,550 [TP-Processor31] ERROR
org.apache.wicket.RequestCycle -
java.lang.NullPointerException
at java.io.FilterInputStream.close(FilterInputStream.java:159)
at sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream.close
(JarURLConnection.java:88)
at org.apache.wicket.Response.write(Response.java:323)
at
org.apache.wicket.request.target.resource.ResourceStreamRequestTarget.respond
(ResourceStreamRequestTarget.java:127)
at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(
AbstractRequestCycleProcessor.java:103)
at org.apache.wicket.RequestCycle.respond(RequestCycle.java:1046)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1112)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1176)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:499)
at org.apache.wicket.protocol.http.WicketFilter.doGet(
WicketFilter.java:257)
at org.apache.wicket.protocol.http.WicketFilter.doFilter(
WicketFilter.java:138)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal
(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(
OncePerRequestFilter.java:75)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(
ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(
SecurityAssociationValve.java:175)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(
JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java
:199)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java
:282)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(
ChannelSocket.java:684)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(
ChannelSocket.java:876)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
2008-02-01 09:53:49,551 [TP-Processor31] ERROR
org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/admin].[default]
- Servlet.service() for serv
let default threw exception
java.lang.IllegalStateException: getOutputStream() has already been called
for this response
at org.apache.catalina.connector.Response.getWriter(Response.java
:599)
at org.apache.catalina.connector.ResponseFacade.getWriter(
ResponseFacade.java:195)
at org.apache.wicket.protocol.http.WebResponse.write(
WebResponse.java:338)
at org.apache.wicket.protocol.http.BufferedWebResponse.close(
BufferedWebResponse.java:74)
at org.apache.wicket.protocol.http.WicketFilter.doGet(
WicketFilter.java:267)
at org.apache.wicket.protocol.http.WicketFilter.doFilter(
WicketFilter.java:138)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal
(OpenSessionInViewFilter.java:198)
Thanks in advance,
Vicio.
