java.util.ConcurrentModificationException

Stack Overflow | matikin9 | 3 months ago
  1. 0

    Java ConcurrentModificationException only in deployed environment

    Stack Overflow | 3 months ago | matikin9
    java.util.ConcurrentModificationException
  2. 0

    Details of deployment: showcase built with servlet-profile from ICEfaces EE-3.3.0 maintenance branch r44538, or using showcase.war from the Jenkins Build 01. A weblogic.xml file containing only the following was added to the WEB-INF folder inside the .war file <weblogic-web-app xmlns="http://www.bea.com/ns/weblogic/weblogic-web-app"> <container-descriptor> <prefer-web-inf-classes>true</prefer-web-inf-classes> </container-descriptor> </weblogic-web-app> The showcase application loads but when trying to navigate to any demo using the links in the application there is Error 500--Internal Server Error. If using the actual URL of a demo directly, such as (http://ec2-54-184-121-30.us-west-2.compute.amazonaws.com:7001/showcase/showcase.jsf?grp=aceMenu&exp=dataTableBean) the demo will load and function as expected. Error 500--Internal Server Error java.util.ConcurrentModificationException at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373) at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:392) at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:391) at java.util.AbstractMap.equals(AbstractMap.java:420) at java.util.Collections$SynchronizedMap.equals(Collections.java:2020) at com.sun.faces.context.SessionMap.put(SessionMap.java:138) at com.sun.faces.context.SessionMap.put(SessionMap.java:61) at com.sun.faces.renderkit.ServerSideStateHelper.writeState(ServerSideStateHelper.java:243) at com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:122) at com.sun.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:113) at com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:225) at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:464) at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125) at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

    ICEsoft JIRA Issue Tracker | 2 years ago | Liana Munroe
    java.util.ConcurrentModificationException
  3. 0

    (6.3.1) (Regression) Mojarra 2.1.28-redhat-5 causes ConcurrentModificationExceptions on OpenJDK 1.6 and IBM JDK 1.6

    https://bugzilla.redhat.com/bugzilla/ | 2 years ago | Ron Šmeral
    java.util.ConcurrentModificationException
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  5. 0

    Details of deployment: showcase built with servlet-profile from ICEfaces EE-3.3.0 maintenance branch r44538, or using showcase.war from the Jenkins Build 01. A weblogic.xml file containing only the following was added to the WEB-INF folder inside the .war file <weblogic-web-app xmlns="http://www.bea.com/ns/weblogic/weblogic-web-app"> <container-descriptor> <prefer-web-inf-classes>true</prefer-web-inf-classes> </container-descriptor> </weblogic-web-app> The showcase application loads but when trying to navigate to any demo using the links in the application there is Error 500--Internal Server Error. If using the actual URL of a demo directly, such as (http://ec2-54-184-121-30.us-west-2.compute.amazonaws.com:7001/showcase/showcase.jsf?grp=aceMenu&exp=dataTableBean) the demo will load and function as expected. Error 500--Internal Server Error java.util.ConcurrentModificationException at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373) at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:392) at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:391) at java.util.AbstractMap.equals(AbstractMap.java:420) at java.util.Collections$SynchronizedMap.equals(Collections.java:2020) at com.sun.faces.context.SessionMap.put(SessionMap.java:138) at com.sun.faces.context.SessionMap.put(SessionMap.java:61) at com.sun.faces.renderkit.ServerSideStateHelper.writeState(ServerSideStateHelper.java:243) at com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:122) at com.sun.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:113) at com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:225) at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:464) at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125) at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

    ICEsoft JIRA Issue Tracker | 2 years ago | Liana Munroe
    java.util.ConcurrentModificationException
  6. 0

    Mojarra 2.1.29 not compatible with JDK 1.6

    Stack Overflow | 2 years ago
    java.util.ConcurrentModificationException

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    Root Cause Analysis

    1. java.util.ConcurrentModificationException

      No message provided

      at java.util.LinkedHashMap$LinkedHashIterator.nextEntry()
    2. Java RT
      Collections$SynchronizedMap.equals
      1. java.util.LinkedHashMap$LinkedHashIterator.nextEntry(Unknown Source)
      2. java.util.LinkedHashMap$EntryIterator.next(Unknown Source)
      3. java.util.LinkedHashMap$EntryIterator.next(Unknown Source)
      4. java.util.AbstractMap.equals(Unknown Source)
      5. java.util.Collections$SynchronizedMap.equals(Unknown Source)
      5 frames
    3. JSF
      MultiViewHandler.renderView
      1. com.sun.faces.context.SessionMap.put(SessionMap.java:138)
      2. com.sun.faces.context.SessionMap.put(SessionMap.java:61)
      3. com.sun.faces.renderkit.ServerSideStateHelper.writeState(ServerSideStateHelper.java:243)
      4. com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:122)
      5. com.sun.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:113)
      6. com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:225)
      7. com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:464)
      8. com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
      8 frames
    4. JavaEE 7
      ViewHandlerWrapper.renderView
      1. javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286)
      1 frame
    5. JSF
      LifecycleImpl.render
      1. com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
      2. com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
      3. com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
      3 frames
    6. JavaEE 7
      FacesServlet.service
      1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
      1 frame
    7. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
      8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
      10 frames
    8. Grizzly HTTP
      AprEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
      3. org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1770)
      3 frames
    9. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      3. java.lang.Thread.run(Unknown Source)
      3 frames