title: Jenkins job not responding
body: <p>One of my jenkins job does not respond at all, it does not open even. I am not able to figure out the cause for this. However, I gathered thread dump for this particular job, Can somebody help me with this or let me know something on this?</p>
  
  <p>PS: I have restarted Jenkins many times. I cannot delete the job.</p>
  
  <p>Thread Dump:</p>
  
  <pre><code>Handling GET /job/TradexCC/ : qtp906199566-1158" Id=1158 Group=main RUNNABLE
      at java.util.concurrent.CopyOnWriteArrayList.iterator(CopyOnWriteArrayList.java:925)
      at hudson.model.Actionable.getAction(Actionable.java:104)
      at hudson.plugins.analysis.core.AbstractProjectAction.getResultAction(AbstractProjectAction.java:388)
      at hudson.plugins.analysis.core.AbstractProjectAction.getLastFinishedBuild(AbstractProjectAction.java:403)
      at hudson.plugins.analysis.core.AbstractProjectAction.getLastAction(AbstractProjectAction.java:370)
      at hudson.plugins.analysis.core.AbstractProjectAction.getIconFileName(AbstractProjectAction.java:341)
      at sun.reflect.GeneratedMethodAccessor251.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecutor.java:125)
      at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:314)
      at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAccess.java:185)
      at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.java:75)
      at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
      at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
      at org.apache.commons.jexl.parser.ASTNENode.value(ASTNENode.java:55)
      at org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java:54)
      at org.apache.commons.jexl.parser.ASTExpressionExpression.value(ASTExpressionExpression.java:56)
      at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
      at org.eclipse.hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:89)
      at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
      at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(ExpressionSupport.java:71)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:97)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
      at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:111)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:55)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:138)
      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.CallTagLibScript$1.run(CallTagLibScript.java:90)
      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.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:111)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:90)
      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.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:111)
      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.JellyViewScript.run(JellyViewScript.java:55)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:138)
      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.CallTagLibScript$1.run(CallTagLibScript.java:90)
      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:91)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:91)
      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:111)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:55)
      at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:55)
      at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:45)
      at org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:64)
      at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:106)
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:554)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:650)
      at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:225)
      at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:45)
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:565)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:650)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:481)
      at org.kohsuke.stapler.Stapler.service(Stapler.java:152)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
      at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:648)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1336)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:86)
      at org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:162)
      at org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:134)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:89)
      at org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:162)
      at org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:134)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:89)
      at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:78)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:81)
      at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:73)
      at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:157)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
      at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:70)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
      at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
      at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:534)
      at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
      at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
      at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
      at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
      at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
      at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
      at org.eclipse.jetty.server.Server.handle(Server.java:365)
      at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
      at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
      at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
      at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
      at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
      at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
      at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627)
      at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51)
      at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
      at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
      at java.lang.Thread.run(Thread.java:662)
  </code></pre>