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https://issues.apache.org/struts/browse/WW-2509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43393#action_43393
]
Miguel Ping commented on WW-2509:
---------------------------------
I downloaded the "example applications" zip from 2.0.11 release:
http://struts.apache.org/download.cgi#struts210 and deployed the portlet
application that comes in the apps zip file. By the way, I had to remove the
commons-logging jar (commons-logging-1.0.4.jar) file from the portlet
application's war file because it was conflicting with my jboss app:
10:36:08,789 ERROR [STDERR] Caused by:
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: Invalid class loader
hierarchy. You have more than one version of 'org.apache.commons.logging.Log'
visible, which is not allowed. (Caused by
org.apache.commons.logging.LogConfigurationException: Invalid class loader
hierarchy. You have more than one version of 'org.apache.commons.logging.Log'
visible, which is not allowed.) (Caused by
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: Invalid class loader
hierarchy. You have more than one version of 'org.apache.commons.logging.Log'
visible, which is not allowed. (Caused by
org.apache.commons.logging.LogConfigurationException: Invalid class loader
hierarchy. You have more than one version of 'org.apache.commons.logging.Log'
visible, which is not allowed.)).
But you're right, there's no portlet plugin tagged for 2.0.11.
I'm also using struts2+portlet plugin for another application, and the failure
to undeploy is causing me a PermGen after 3 or 4 deploys, because each time I
try to undeploy an application, I'm guessing the NPE is preventing the app from
being fully destroyed.
> Sample portlet application throws NPE when undeploying from Jboss
> -----------------------------------------------------------------
>
> Key: WW-2509
> URL: https://issues.apache.org/struts/browse/WW-2509
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.0.11
> Environment: Jboss Portal 2.6.3 + Jboss AS, Struts2 2.0.11
> Reporter: Miguel Ping
>
> When undeploying from Jboss portal, the sample portlet throws the following
> exception:
> 16:56:25,497 ERROR [org_apache_struts2_portlet_dispatcher_Jsr168Dispatcher]
> The portlet threw a runtime exception
> java.lang.NullPointerException
> at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:268)
> at
> org.apache.struts2.portlet.dispatcher.Jsr168Dispatcher.destroy(Jsr168Dispatcher.java:584)
> at
> org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.destroyPortlet(PortletContainerImpl.java:378)
> at
> org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.stop(PortletContainerImpl.java:292)
> at
> org.jboss.portal.portlet.impl.container.PortletApplicationContextImpl.stopPortletApplication(PortletApplicationContextImpl.java:156)
> at
> org.jboss.portal.portlet.deployment.jboss.PortletAppDeployment.destroy(PortletAppDeployment.java:237)
> at
> org.jboss.portal.server.deployment.jboss.DeploymentContext.destroy(DeploymentContext.java:125)
> at
> org.jboss.portal.server.deployment.jboss.PortalDeploymentInfoContext.destroy(PortalDeploymentInfoContext.java:237)
> at
> org.jboss.portal.server.deployment.jboss.ServerDeployer.destroy(ServerDeployer.java:235)
> at org.jboss.deployment.MainDeployer.destroy(MainDeployer.java:704)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:639)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:632)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:615)
> 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy214.undeploy(Unknown Source)
> at
> org.jboss.portal.server.deployment.jboss.ServerDeployer.undeploy(ServerDeployer.java:270)
> at
> org.jboss.portal.server.deployment.WebAppAdapter.undeploy(WebAppAdapter.java:65)
> at
> org.jboss.portal.server.deployment.WebAppIntercepter.handleNotification(WebAppIntercepter.java:170)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.jboss.mx.notification.NotificationListenerProxy.invoke(NotificationListenerProxy.java:153)
> at $Proxy217.handleNotification(Unknown Source)
> at
> org.jboss.mx.util.JBossNotificationBroadcasterSupport.handleNotification(JBossNotificationBroadcasterSupport.java:127)
> at
> org.jboss.mx.util.JBossNotificationBroadcasterSupport.sendNotification(JBossNotificationBroadcasterSupport.java:108)
> at
> org.jboss.deployment.SubDeployerSupport.emitNotification(SubDeployerSupport.java:340)
> at
> org.jboss.deployment.SubDeployerSupport.stop(SubDeployerSupport.java:319)
> at
> org.jboss.web.AbstractWebContainer.stop(AbstractWebContainer.java:509)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at
> org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
> at
> org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
> at
> org.jboss.wsf.container.jboss42.DeployerInterceptor.stop(DeployerInterceptor.java:98)
> at
> org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.stop(SubDeployerInterceptorSupport.java:196)
> at
> org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:99)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy195.stop(Unknown Source)
> at org.jboss.deployment.MainDeployer.stop(MainDeployer.java:667)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:638)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:632)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:615)
> 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy9.undeploy(Unknown Source)
> at
> org.jboss.deployment.scanner.URLDeploymentScanner.undeploy(URLDeploymentScanner.java:450)
> at
> org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:570)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
> 16:56:25,498 ERROR [org_apache_struts2_portlet_dispatcher_Jsr168Dispatcher]
> The portlet threw a runtime exception
> java.lang.NullPointerException
> at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:268)
> at
> org.apache.struts2.portlet.dispatcher.Jsr168Dispatcher.destroy(Jsr168Dispatcher.java:584)
> at
> org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.destroyPortlet(PortletContainerImpl.java:378)
> at
> org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.stop(PortletContainerImpl.java:292)
> at
> org.jboss.portal.portlet.impl.container.PortletApplicationContextImpl.stopPortletApplication(PortletApplicationContextImpl.java:156)
> at
> org.jboss.portal.portlet.deployment.jboss.PortletAppDeployment.destroy(PortletAppDeployment.java:237)
> at
> org.jboss.portal.server.deployment.jboss.DeploymentContext.destroy(DeploymentContext.java:125)
> at
> org.jboss.portal.server.deployment.jboss.PortalDeploymentInfoContext.destroy(PortalDeploymentInfoContext.java:237)
> at
> org.jboss.portal.server.deployment.jboss.ServerDeployer.destroy(ServerDeployer.java:235)
> at org.jboss.deployment.MainDeployer.destroy(MainDeployer.java:704)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:639)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:632)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:615)
> 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy214.undeploy(Unknown Source)
> at
> org.jboss.portal.server.deployment.jboss.ServerDeployer.undeploy(ServerDeployer.java:270)
> at
> org.jboss.portal.server.deployment.WebAppAdapter.undeploy(WebAppAdapter.java:65)
> at
> org.jboss.portal.server.deployment.WebAppIntercepter.handleNotification(WebAppIntercepter.java:170)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.jboss.mx.notification.NotificationListenerProxy.invoke(NotificationListenerProxy.java:153)
> at $Proxy217.handleNotification(Unknown Source)
> at
> org.jboss.mx.util.JBossNotificationBroadcasterSupport.handleNotification(JBossNotificationBroadcasterSupport.java:127)
> at
> org.jboss.mx.util.JBossNotificationBroadcasterSupport.sendNotification(JBossNotificationBroadcasterSupport.java:108)
> at
> org.jboss.deployment.SubDeployerSupport.emitNotification(SubDeployerSupport.java:340)
> at
> org.jboss.deployment.SubDeployerSupport.stop(SubDeployerSupport.java:319)
> at
> org.jboss.web.AbstractWebContainer.stop(AbstractWebContainer.java:509)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at
> org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
> at
> org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
> at
> org.jboss.wsf.container.jboss42.DeployerInterceptor.stop(DeployerInterceptor.java:98)
> at
> org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.stop(SubDeployerInterceptorSupport.java:196)
> at
> org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:99)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy195.stop(Unknown Source)
> at org.jboss.deployment.MainDeployer.stop(MainDeployer.java:667)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:638)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:632)
> at org.jboss.deployment.MainDeployer.undeploy(MainDeployer.java:615)
> 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at
> org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at
> org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy9.undeploy(Unknown Source)
> at
> org.jboss.deployment.scanner.URLDeploymentScanner.undeploy(URLDeploymentScanner.java:450)
> at
> org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:570)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
> at
> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
> My humble guess is that both Jsr168Dispatcher and Dispatcher are cleaning the
> context; so the last one being called gets a null reference because the
> previous dispatcher already performed the clean.
> As a side note, if you are not able to depoy on jboss, please remove the
> commons-logging jar from the sample portlet war file.
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