[jboss-jira] [JBoss JIRA] Commented: (JBTM-213) Threads in endless loop in TransactionReaper.
Phillip Thurmond (JIRA)
jira-events at lists.jboss.org
Tue May 1 12:59:30 EDT 2007
[ http://jira.jboss.com/jira/browse/JBTM-213?page=comments#action_12361032 ]
Phillip Thurmond commented on JBTM-213:
---------------------------------------
"http-10.16.70.105-8080-98" daemon prio=1 tid=0x0000002ac9fca230 nid=0x2656 runnable [0x0000000050b58000..0x0000000050b59db0]
at java.util.WeakHashMap.get(WeakHashMap.java:348)
at com.arjuna.ats.arjuna.coordinator.TransactionReaper.insert(TransactionReaper.java:320)
at com.arjuna.ats.arjuna.AtomicAction.begin(AtomicAction.java:147)
at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.<init>(TransactionImple.java:116)
at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.begin(BaseTransaction.java:98)
at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.begin(BaseTransactionManagerDelegate.java:77)
at org.jboss.ejb.plugins.TxInterceptorCMT.startTransaction(TxInterceptorCMT.java:476)
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:329)
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138)
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648)
at org.jboss.ejb.Container.invoke(Container.java:960)
at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169)
at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118)
at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209)
at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195)
at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61)
at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:70)
at org.jboss.proxy.ejb.StatefulSessionInterceptor.invoke(StatefulSessionInterceptor.java:121)
at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100)
at $Proxy155.getItems(Unknown Source)
at org.spec.jappserver.servlet.helper.SpecAction.getVehicleQuotes(SpecAction.java:368)
at org.spec.jappserver.servlet.helper.SpecServletAction.doVehicleQuotes(SpecServletAction.java:653)
at org.spec.jappserver.servlet.SpecAppServlet.performTask(SpecAppServlet.java:197)
at org.spec.jappserver.servlet.SpecAppServlet.doGet(SpecAppServlet.java:96)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:624)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Thread.java:595)
> Threads in endless loop in TransactionReaper.
> ---------------------------------------------
>
> Key: JBTM-213
> URL: http://jira.jboss.com/jira/browse/JBTM-213
> Project: JBoss Transaction Manager
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: JTA Implementation
> Reporter: Phillip Thurmond
> Assigned To: Mark Little
>
> After generating a load against JBossAS 4.2 beta1, the cpu is pegged at 100% even after the load has stopped. A thread dump reveals several threads at TransactionReaper.insert(). These threads are all doing a WeakHashMap.get(). Looking at TransactionReaper, I believe this is caused by unsynchronized access to the _timeouts WeakHahsMap. This is line 324 in TransactionReaper.java.
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