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https://issues.apache.org/jira/browse/WICKET-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Martin Grigorov resolved WICKET-3736.
-------------------------------------
Resolution: Fixed
Fix Version/s: 1.5-RC5
Assignee: Martin Grigorov
Fixed with r1126429.
The test that reproduced it is @Ignore'd because it takes ~30 secs.
More info about the problem can be find at
http://www.javaspecialists.eu/archive/Issue062.html
> npe in StoredResponsesMap
> -------------------------
>
> Key: WICKET-3736
> URL: https://issues.apache.org/jira/browse/WICKET-3736
> Project: Wicket
> Issue Type: Bug
> Components: wicket-core
> Affects Versions: 1.5-RC4
> Environment: linux 2.6.32
> tomcat 7.12
> jdk 1.6.0.22
> Reporter: francois
> Assignee: Martin Grigorov
> Fix For: 1.5-RC5
>
>
> While doing some load testing with with a small prog using Apache httpclient
> (45 threads, only the get requests were done)
> I got this error
> 17:59:22.086 ERROR ["http-bio-8080"-exec-1] DefaultExceptionMapper - 108 -
> Unexpected error occurred
> java.lang.NullPointerException: null
> at
> org.apache.wicket.protocol.http.StoredResponsesMap$Value.access$000(StoredResponsesMap.java:37)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.protocol.http.StoredResponsesMap.removeEldestEntry(StoredResponsesMap.java:73)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at java.util.LinkedHashMap.addEntry(LinkedHashMap.java:410)
> ~[na:1.6.0_22]
> at java.util.HashMap.put(HashMap.java:385) ~[na:1.6.0_22]
> at
> org.apache.wicket.protocol.http.StoredResponsesMap.put(StoredResponsesMap.java:95)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.protocol.http.WebApplication.storeBufferedResponse(WebApplication.java:723)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.handler.render.WebPageRenderer.storeBufferedResponse(WebPageRenderer.java:73)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:258)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:718)
> ~[wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
> ~[wicket-request-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:96)
> ~[wicket-request-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
> [wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
> [wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:138)
> [wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
> [wicket-core-1.5-RC4.2.jar:1.5-RC4.2]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> [catalina.jar:7.0.12]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> [catalina.jar:7.0.12]
> via jmx I could see that only 45 sessions were there
> and that the PeakNumberOfActiveRequests was also 45.
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