Anders Nickelsen created JENKINS-13625:
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             Summary: ERR_CONTENT_DECODING_FAILED returned on testResults and 
console output after Jenkins reload
                 Key: JENKINS-13625
                 URL: https://issues.jenkins-ci.org/browse/JENKINS-13625
             Project: Jenkins
          Issue Type: Bug
          Components: core, matrix, swarm
    Affects Versions: current
            Reporter: Anders Nickelsen
            Assignee: Kohsuke Kawaguchi
            Priority: Critical


We have matrix configuration job that has a 'slave' axis to distribute tests on 
Jenkins swarm slaves.
When we 'reload configuration from disk' Jenkins all builds in the history of 
the matrix job return ERR_CONTENT_DECODING_FAILED (HTTP error 330) when we 
request console output for any slave on the axis. This also occurs when 
requesting testresults (we record jUnit test results as a part of the build).

We had issues with Jenkins losing references to slave after reload, which were 
solved by https://issues.jenkins-ci.org/browse/JENKINS-8043, and I think this 
bug is related.

When the error occurs the following stack trace is observed in Jenkins' log:
27-Apr-2012 08:26:50 winstone.Logger logInternal
WARNING: Untrapped Error in Servlet
javax.servlet.ServletException: org.apache.commons.jelly.JellyTagException: 
jar:file:/var/cache/jenkins/war/WEB-INF/lib/jenkins-core-1.461.jar!/hudson/tasks/test/MatrixTestResult/index.jelly:42:60:
 <j:forEach> java.lang.NullPointerException
        at 
org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:112)
        at 
org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:127)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:563)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
        at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:384)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:574)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
        at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:384)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:574)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
        at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
        at 
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:574)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:488)
        at org.kohsuke.stapler.Stapler.service(Stapler.java:162)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
        at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
        at 
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
        at 
hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:74)
        at 
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at 
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:63)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
        at 
hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
        at 
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at 
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at 
hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
        at 
winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:215)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:138)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.commons.jelly.JellyTagException: 
jar:file:/var/cache/jenkins/war/WEB-INF/lib/jenkins-core-1.461.jar!/hudson/tasks/test/MatrixTestResult/index.jelly:42:60:
 <j:forEach> java.lang.NullPointerException
        at 
org.apache.commons.jelly.impl.TagScript.handleException(TagScript.java:716)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:282)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
        at 
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at 
org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
        at 
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at 
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at 
org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
        at 
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at 
org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:81)
        at 
org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
        at 
org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
        at 
org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:107)
        ... 63 more
Caused by: java.lang.NullPointerException
        at 
hudson.tasks.test.AggregatedTestResultAction$ChildReport.<init>(AggregatedTestResultAction.java:129)
        at 
hudson.tasks.test.AggregatedTestResultAction$1.get(AggregatedTestResultAction.java:140)
        at 
hudson.tasks.test.AggregatedTestResultAction$1.get(AggregatedTestResultAction.java:138)
        at java.util.AbstractList$Itr.next(AbstractList.java:345)
        at 
org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:115)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        ... 95 more

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