I am still seeing a hang with the 3_0 branch. Start java with the -Xdebug option. This will show where the lock is ...
On Wed, 2002-05-29 at 05:36, Adrian Brock wrote: > Hi Scott, > > The hang is not predictable, but it is mostly on the RaTopicUnitTestCase. > Trying to dump the threads crashes the VM, but below is the start > of one of the dumps. It appears to be a deadlock in the > UnifiedLoaderRepository. > > Looking at the code, there might be an ordering problem between > synchronized(this) and becoming the "currentThread". > > e.g. > A starts with removeClassLoader and synchronizes on the ULR > B starts with loadClassInternal and synchronizes on the ClassLoader > B becomes the currentThread > B reaches the synchronized(this) in loadClass and waits on the ULR > A sends a notification which leads to a loadClassInternal > A isn't the currentThread and waits in synchronize(ClassLoader) > > Result > A is waiting to become the currentThread (held by B) > B is waiting on the ULR (held by A) with its classloader locked > > 02:03:31,604 INFO [MainDeployer] Successfully completed deployment of > package: file:/D:/cygwin/home/ejort/jboss30rc4/jb > oss-all/testsuite/output/lib/jmsra.jar > 02:08:32,586 WARN [TxCapsule] Transaction XidImpl [FormatId=257, > GlobalId=HTIMES1//561, BranchQual=] timed out. status= > STATUS_ACTIVE > Full thread dump: > > "Thread Pool Worker-0" daemon prio=5 tid=0xb73fe60 nid=0xaa0 waiting on > monitor [0xd65e000..0xd65fdc4] > at java.lang.Object.wait(Native Method) > at java.lang.Object.wait(Object.java:420) > at > >org.jboss.mx.loading.UnifiedLoaderRepository$ReentrantLock.acquire(UnifiedLoaderRepository.java:793) > at > >org.jboss.mx.loading.UnifiedLoaderRepository.unsynchronize(UnifiedLoaderRepository.java:230) > at > >org.jboss.mx.loading.UnifiedLoaderRepository.loadClass(UnifiedLoaderRepository.java:155) > at > org.jboss.mx.loading.UnifiedClassLoader.loadClass(UnifiedClassLoader.java:285) > at java.lang.ClassLoader.loadClass(ClassLoader.java:255) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315) > at > >org.jboss.ejb.plugins.MessageDrivenInstancePool.create(MessageDrivenInstancePool.java:62) > at > org.jboss.ejb.plugins.AbstractInstancePool.get(AbstractInstancePool.java:208) > at > >org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenInstanceInterceptor.java:74) > at > org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96) > at > org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:167) > at > org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61) > at > org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:129) > at > org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:166) > at > org.jboss.ejb.MessageDrivenContainer.invoke(MessageDrivenContainer.java:302) > at > org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.java:625) > at > >org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(JMSContainerInvoker.java:973) > at > org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:234) > at > >org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageConsumer.java:561) > at > org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:377) > at org.jboss.mq.SpySession.run(SpySession.java:252) > at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:173) > at > EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:642) > at java.lang.Thread.run(Thread.java:484) > > "RMI TCP Connection(124)-127.0.0.1" daemon prio=5 tid=0xb6dca18 nid=0x3ec > waiting for monitor entry [0xd51f000..0xd51fdc > 4] > at > >org.jboss.mx.loading.UnifiedLoaderRepository.synchronize(UnifiedLoaderRepository.java:184) > at > >org.jboss.mx.loading.UnifiedLoaderRepository.loadClass(UnifiedLoaderRepository.java:124) > at > org.jboss.mx.loading.UnifiedClassLoader.loadClass(UnifiedClassLoader.java:285) > at java.lang.ClassLoader.loadClass(ClassLoader.java:255) > at > >org.jboss.invocation.MarshalledValueInputStream.resolveClass(MarshalledValueInputStream.java:41) > at > java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236) > at > java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236) > at org.jboss.invocation.MarshalledValue.get(MarshalledValue.java:68) > at > org.jboss.invocation.MarshalledInvocation.getValue(MarshalledInvocation.java:276) > at > org.jboss.invocation.Invocation.getObjectName(Invocation.java:221) > at > org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:359) > at java.lang.reflect.Method.invoke(Native Method) > at > sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:241) > at sun.rmi.transport.Transport$1.run(Transport.java:152) > at java.security.AccessController.doPrivileged(Native Method) > at sun.rmi.transport.Transport.serviceCall(Transport.java:148) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:465) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:706) > at java.lang.Thread.run(Thread.java:484) > > Regards, > Adrian > > >From: "Scott M Stark" <[EMAIL PROTECTED]> > >Reply-To: "Scott M Stark" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Subject: Re: [JBoss-Dev] DeployServiceUnitTestCase.testDependsElement > >failure > >Date: Tue, 28 May 2002 14:06:16 -0700 > > > >I've run clean builds on OSX and Linux for 3.0 and both complete > >without any errors. Where are you seeing the testsuite hang? > > > >xxxxxxxxxxxxxxxxxxxxxxxx > >Scott Stark > >Chief Technology Officer > >JBoss Group, LLC > >xxxxxxxxxxxxxxxxxxxxxxxx > > > > _________________________________________________________________ > Chat with friends online, try MSN Messenger: http://messenger.msn.com > > > _______________________________________________________________ > > Don't miss the 2002 Sprint PCS Application Developer's Conference > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm > > _______________________________________________ > Jboss-development mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-development _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Jboss-development mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-development
