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  1. Jenkins
  2. JENKINS-20702

Delete old data fails with ConcurrentModificationException

    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Major Major
    • core
    • 1.509.4 on Linux

      Deleting old data after an upgrade from the GUI fails with a ConcurrentModificationException

      javax.servlet.ServletException: java.util.ConcurrentModificationException
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:735)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
      at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239)
      at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:587)
      at org.kohsuke.stapler.Stapler.service(Stapler.java:218)
      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.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:48)
      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:124)
      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:174)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)
      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$1.doFilter(ChainedServletFilter.java:87)
      at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
      at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
      at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46)
      at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
      at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
      at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
      at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
      at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:908)
      at java.lang.Thread.run(Thread.java:662)
      Caused by: java.util.ConcurrentModificationException
      at java.util.HashMap$HashIterator.remove(HashMap.java:811)
      at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:276)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297)
      at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160)
      at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95)
      at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
      at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
      ... 56 more

          [JENKINS-20702] Delete old data fails with ConcurrentModificationException

          Tim Drury added a comment -

          I get the same error with a different stack trace on 1.532.1 on Windows Server 2008 R2:

          Dec 9, 2013 5:33:04 PM winstone.Logger logInternal
          SEVERE: Error while serving http://vmw4360.wdf.sap.corp:50000/administrativeMonitor/OldData/discard
          java.lang.reflect.InvocationTargetException
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297)
          at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160)
          at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95)
          at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
          at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
          at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239)
          at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:587)
          at org.kohsuke.stapler.Stapler.service(Stapler.java:218)
          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:96)
          at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:203)
          at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:181)
          at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86)
          at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84)
          at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
          at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58)
          at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
          at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
          at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
          at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
          at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
          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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
          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:174)
          at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
          at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)
          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:67)
          at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
          at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
          at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
          at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
          at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
          at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46)
          at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
          at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
          at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
          at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
          at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
          at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
          at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
          at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
          at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:908)
          at java.lang.Thread.run(Thread.java:662)
          Caused by: java.util.ConcurrentModificationException
          at java.util.HashMap$HashIterator.remove(HashMap.java:811)
          at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:276)
          ... 73 more

          Tim Drury added a comment - I get the same error with a different stack trace on 1.532.1 on Windows Server 2008 R2: Dec 9, 2013 5:33:04 PM winstone.Logger logInternal SEVERE: Error while serving http://vmw4360.wdf.sap.corp:50000/administrativeMonitor/OldData/discard java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:685) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:799) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:587) at org.kohsuke.stapler.Stapler.service(Stapler.java:218) 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:96) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:203) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:181) at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86) at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99) at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) 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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117) 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:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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:67) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.remove(HashMap.java:811) at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:276) ... 73 more

          Tim Drury added a comment -

          This is related to an issue I put on the user list (https://groups.google.com/forum/#!topic/jenkinsci-users/ZK1J6R2ej4I) where disabling the disk-usage plugin resulted in a huge amount of old data - thousands of rows of "CannotResolveClassException: hudson.plugins.disk_usage.BuildDiskUsageAction" - clicking the Discard Old Data button results in the stack trace about.

          Tim Drury added a comment - This is related to an issue I put on the user list ( https://groups.google.com/forum/#!topic/jenkinsci-users/ZK1J6R2ej4I ) where disabling the disk-usage plugin resulted in a huge amount of old data - thousands of rows of "CannotResolveClassException: hudson.plugins.disk_usage.BuildDiskUsageAction" - clicking the Discard Old Data button results in the stack trace about.

          Tim Drury added a comment -

          Some further information on this after experimentation: I had some success deleting the vast amount of old data created by the disk-usage plugin. After stopping all jobs, I was able to delete some of the old data before the CME was thrown. I was able to go back to the Manage Old Data screen and it listed more old data. Again, I deleted it. Sometimes this would throw a CME, sometimes it appeared to work. After a few minutes, if I go back to Manage Old Data, there would be more entries to delete. My guess is that the OldDataMonitor continuously scans for old data and - when found - holds onto it so it can be displayed in the Manage Old Data screen. This seems to be a bad idea because of https://issues.jenkins-ci.org/browse/JENKINS-19544. However, after about a dozen "Discard Old Data" runs, my old data seems to be at a small enough size that I no longer get nightly OOM errors.

          Tim Drury added a comment - Some further information on this after experimentation: I had some success deleting the vast amount of old data created by the disk-usage plugin. After stopping all jobs, I was able to delete some of the old data before the CME was thrown. I was able to go back to the Manage Old Data screen and it listed more old data. Again, I deleted it. Sometimes this would throw a CME, sometimes it appeared to work. After a few minutes, if I go back to Manage Old Data, there would be more entries to delete. My guess is that the OldDataMonitor continuously scans for old data and - when found - holds onto it so it can be displayed in the Manage Old Data screen. This seems to be a bad idea because of https://issues.jenkins-ci.org/browse/JENKINS-19544 . However, after about a dozen "Discard Old Data" runs, my old data seems to be at a small enough size that I no longer get nightly OOM errors.

          Daniel Beck added a comment -

          Old Data Monitor was substantially changed in 1.557 for JENKINS-19544. Closing this speculatively as the similar JENKINS-22261 was also resolved.

          Reopen or file a new issue when this still occurs on 1.557 or newer.

          Daniel Beck added a comment - Old Data Monitor was substantially changed in 1.557 for JENKINS-19544 . Closing this speculatively as the similar JENKINS-22261 was also resolved. Reopen or file a new issue when this still occurs on 1.557 or newer.

          Adam Hall added a comment -

          This issue is happening in Jenkins 1.565 after migrating from Hudson.

          Here is my stack:
          javax.servlet.ServletException: java.util.ConcurrentModificationException
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:778)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
          at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:248)
          at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:631)
          at org.kohsuke.stapler.Stapler.service(Stapler.java:225)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
          at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
          at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96)
          at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
          at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
          at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
          at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
          at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
          at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
          at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
          at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
          at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
          at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
          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:370)
          at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
          at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960)
          at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021)
          at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
          at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
          at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
          at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
          at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
          at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
          at java.lang.Thread.run(Unknown Source)
          Caused by: java.util.ConcurrentModificationException
          at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
          at java.util.HashMap$EntryIterator.next(Unknown Source)
          at java.util.HashMap$EntryIterator.next(Unknown Source)
          at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:297)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
          at java.lang.reflect.Method.invoke(Unknown Source)
          at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
          at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:46)
          at org.kohsuke.stapler.Function$InterceptedFunction.invoke(Function.java:399)
          at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
          at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
          at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:120)
          at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
          ... 46 more

          Any assistance would be appreciated.

          Adam Hall added a comment - This issue is happening in Jenkins 1.565 after migrating from Hudson. Here is my stack: javax.servlet.ServletException: java.util.ConcurrentModificationException at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:778) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:248) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:631) at org.kohsuke.stapler.Stapler.service(Stapler.java:225) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) 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:370) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(Unknown Source) at java.util.HashMap$EntryIterator.next(Unknown Source) at java.util.HashMap$EntryIterator.next(Unknown Source) at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:297) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298) at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:46) at org.kohsuke.stapler.Function$InterceptedFunction.invoke(Function.java:399) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:120) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728) ... 46 more Any assistance would be appreciated.

          Jesse Glick added a comment -

          Related code changed by fix of JENKINS-30139.

          Jesse Glick added a comment - Related code changed by fix of JENKINS-30139 .

          Jesse Glick added a comment -

          Possibly fixed; no recent reports, anyway.

          Jesse Glick added a comment - Possibly fixed; no recent reports, anyway.

            Unassigned Unassigned
            languitar Johannes Wienke
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              Created:
              Updated:
              Resolved: