Manoj; Deadlocks are usually an application problem involving the sequence in which locks are placed on shared resources.
Here is a document you may find very helpful in resolving this issue: http://i3t.org/members/article.jsp?articleId=1595209 Cheers. //Nicholas --- "Sasidharan, Manoj" <[EMAIL PROTECTED]> wrote: > Hello All, > > The stress test of our JBoss application results in > application deadlocks. > The test fails even when there are 6 concurrent > users. > > Find enclosed are the stack trace of the deadlock > detection by the JBoss > server. Please let me know in case you need any > additional information to > analyse/understand the issue. > > Can anybody help us resolve this. Thanks in advance. > > rgds > MS > > 2004-01-06 13:00:17,653 ERROR [STDERR] [Tue Jan 06 > 13:00:17 PST > 2004][ERROR][145 > f5721f530d8fc4383a15501859e205105c7e1][javax.ejb.EJBException:12]: > null; > CausedB > yException is: > Application deadlock detected, > resource=org.jboss.ejb.plugins.lock.QueuedPes > [EMAIL PROTECTED], bean=MapEntity, id=28, > refs=5, > tx=TransactionImpl:XidIm > pl [FormatId=257, GlobalId=woodstock.plx.com//69, > BranchQual=], > synched=Thread[R > MI TCP Connection(12)-10.21.80.24,5,RMI Runtime], > timeout=5000, > queue=[TXLOCK wa > itingTx=TransactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//71, B > ranchQual=] id=0 thread=Thread[RMI TCP > Connection(8)-10.21.80.24,5,RMI > Runtime] > queued=true, TXLOCK > waitingTx=TransactionImpl:XidImpl [FormatId=257, > GlobalId=wo > odstock.plx.com//73, BranchQual=] id=0 > thread=Thread[RMI TCP > Connection(3)-10.21 > .80.24,5,RMI Runtime] queued=true], > holder=TransactionImpl:XidImpl > [FormatId=257 > , GlobalId=woodstock.plx.com//75, BranchQual=], > waitingResource=org.jboss.ejb.pl > [EMAIL PROTECTED], > bean=MapNames, id=13, refs=3, > tx=Tr > ansactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//75, > BranchQual= > ], synched=null, timeout=5000, queue=[TXLOCK > waitingTx=TransactionImpl:XidImpl [ > FormatId=257, GlobalId=woodstock.plx.com//77, > BranchQual=] id=0 > thread=Thread[RM > I TCP Connection(11)-10.21.80.24,5,RMI Runtime] > queued=true, TXLOCK > waitingTx=Tr > ansactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//69, > BranchQual= > ] id=0 thread=Thread[RMI TCP > Connection(6)-10.21.80.24,5,RMI Runtime] > queued=tru > e], waitingResourceHolder=TransactionImpl:XidImpl > [FormatId=257, > GlobalId=woodst > ock.plx.com//75, BranchQual=] > 2004-01-06 13:00:17,673 ERROR [STDERR] [Tue Jan 06 > 13:00:17 PST 2004][CALL > STACK > ][145f5721f530d8fc4383a15501859e205105c7e1][javax.ejb.EJBException: > null; > Caused > ByException is: > Application deadlock detected, > resource=org.jboss.ejb.plugins.lock.QueuedPes > [EMAIL PROTECTED], bean=MapEntity, id=28, > refs=5, > tx=TransactionImpl:XidIm > pl [FormatId=257, GlobalId=woodstock.plx.com//69, > BranchQual=], > synched=Thread[R > MI TCP Connection(12)-10.21.80.24,5,RMI Runtime], > timeout=5000, > queue=[TXLOCK wa > itingTx=TransactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//71, B > ranchQual=] id=0 thread=Thread[RMI TCP > Connection(8)-10.21.80.24,5,RMI > Runtime] > queued=true, TXLOCK > waitingTx=TransactionImpl:XidImpl [FormatId=257, > GlobalId=wo > odstock.plx.com//73, BranchQual=] id=0 > thread=Thread[RMI TCP > Connection(3)-10.21 > .80.24,5,RMI Runtime] queued=true], > holder=TransactionImpl:XidImpl > [FormatId=257 > , GlobalId=woodstock.plx.com//75, BranchQual=], > waitingResource=org.jboss.ejb.pl > [EMAIL PROTECTED], > bean=MapNames, id=13, refs=3, > tx=Tr > ansactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//75, > BranchQual= > ], synched=null, timeout=5000, queue=[TXLOCK > waitingTx=TransactionImpl:XidImpl [ > FormatId=257, GlobalId=woodstock.plx.com//77, > BranchQual=] id=0 > thread=Thread[RM > I TCP Connection(11)-10.21.80.24,5,RMI Runtime] > queued=true, TXLOCK > waitingTx=Tr > ansactionImpl:XidImpl [FormatId=257, > GlobalId=woodstock.plx.com//69, > BranchQual= > ] id=0 thread=Thread[RMI TCP > Connection(6)-10.21.80.24,5,RMI Runtime] > queued=tru > e], waitingResourceHolder=TransactionImpl:XidImpl > [FormatId=257, > GlobalId=woodst > ock.plx.com//75, BranchQual=] > at > org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java: > 386) > at > org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:195) > at > org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFi > nderInterceptor.java:122) > at > org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionCo > ntainer.java:331) > at > org.jboss.ejb.Container.invoke(Container.java:700) > at > org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFa > ctory.java:375) > at > org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSession > Proxy.java:83) > at $Proxy141.setMap(Unknown Source) > at > com.plx.efw.common.command.MapSetCommand.executeCommand(MapSetCommand.jav > a:71) > at > com.plx.efw.common.command.SystemCommand.execute(SystemCommand.java:66) > at > com.plx.framework.command.CommandServer.executeCommand(CommandServer.java > :91) > at > com.plx.framework.command.CommandServer.execute(CommandServer.java:66) > at > com.plx.efw.server.command.EJBCommandServerBean.execute(EJBCommandServerB > ean.java:160) > at > sun.reflect.GeneratedMethodAccessor53.invoke(Unknown > Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI > mpl.java:25) > at > java.lang.reflect.Method.invoke(Method.java:324) > at > org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(State > lessSessionContainer.java:683) > at > org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(C > achedConnectionInterceptor.java:185) > at > org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(Stateles > sSessionInstanceInterceptor.java:72) > at > org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxIntercep > tor.java:84) > at > org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorC > MT.java:267) > at > org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:128) > at > org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java > :118) > at > org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191) > at > org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFi > nderInterceptor.java:122) > at > === message truncated === ===== Nicholas Whitehead Home: (973) 377 9335 Cell: (201) 615 2716 [EMAIL PROTECTED] Get Your News From The Crowbar: http://crowbar.dnsalias.com:443/crowbar/ ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. 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