Critical Description
Get this exception under high load. Seems to be a concurrency issue around the nodes List passed to the constructor of NodeSetImpl. Help on this would be greatly appreciated.
2006-11-15 06:48:44,591 [TP-Processor8] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/portal].[jetspeed] - Servlet.service() for servlet jetspeed threw exception
org.apache.jetspeed.pipeline.PipelineException: org.apache.jetspeed.pipeline.PipelineException: org.apache.jetspeed.pipeline.PipelineException: java.util.ConcurrentModificationException
at org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:154)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at com.covisint.cep.jetspeed.pipeline.LocalizationValveImpl.invoke(LocalizationValveImpl.java:75)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:454)
at org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:111)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:67)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at com.covisint.cep.jetspeed.pipeline.NetworkPortValveImpl.invoke(NetworkPortValveImpl.java:50)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at com.covisint.cep.jetspeed.pipeline.LastUrlCookieValveImpl.invoke(LastUrlCookieValveImpl.java:58)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at com.covisint.cep.jetspeed.pipeline.ContentPreviewValveImpl.invoke(ContentPreviewValveImpl.java:48)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:128)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:145)
at org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:214)
at org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.apache.jetspeed.pipeline.PipelineException: org.apache.jetspeed.pipeline.PipelineException: java.util.ConcurrentModificationException
at org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:164)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:149)
... 39 more
Caused by: org.apache.jetspeed.pipeline.PipelineException: java.util.ConcurrentModificationException
at org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:304)
at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:166)
at org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:159)
... 41 more
Caused by: java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
at java.util.AbstractList$Itr.next(AbstractList.java:420)
at org.apache.jetspeed.page.document.impl.NodeSetImpl.<init>(NodeSetImpl.java:50)
at org.apache.jetspeed.om.folder.impl.FolderImpl.getAllNodeSet(FolderImpl.java:1024)
at org.apache.jetspeed.om.folder.impl.FolderImpl.getAll(FolderImpl.java:838)
at org.apache.jetspeed.page.impl.DatabasePageManager.getAll(DatabasePageManager.java:925)
at sun.reflect.GeneratedMethodAccessor127.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:284)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:155)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:122)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:56)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:144)
at org.apache.jetspeed.util.interceptors.PageManagerInterceptor.invoke(PageManagerInterceptor.java:46)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:144)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:174)
at $Proxy4.getAll(Unknown Source)
at org.apache.jetspeed.om.folder.impl.FolderImpl.getAll(FolderImpl.java:833)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.aggregateChildren(FolderProxy.java:763)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.getAll(FolderProxy.java:309)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.getPages(FolderProxy.java:450)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.getPage(FolderProxy.java:473)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.selectDefaultPageFromAggregateFolders(FolderProxy.java:715)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.getDefaultPage(FolderProxy.java:324)
at org.apache.jetspeed.om.folder.proxy.FolderProxy.invoke(FolderProxy.java:203)
at $Proxy14.getDefaultPage(Unknown Source)
at org.apache.jetspeed.portalsite.impl.PortalSiteSessionContextImpl.selectRequestPage(PortalSiteSessionContextImpl.java:465)
at org.apache.jetspeed.portalsite.impl.PortalSiteSessionContextImpl.selectRequestPage(PortalSiteSessionContextImpl.java:221)
at org.apache.jetspeed.portalsite.impl.PortalSiteRequestContextImpl.getPage(PortalSiteRequestContextImpl.java:212)
at org.apache.jetspeed.portalsite.impl.PortalSiteRequestContextImpl.getManagedPage(PortalSiteRequestContextImpl.java:195)
at org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:248)
... 43 more