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From "Karthik.Gopalakrishnan" <karthik.gopalakrish...@caritor.com>
Subject Java Heap Space Exception
Date Thu, 29 Mar 2007 19:37:22 GMT

I tried sending a ByteMessage from a c# client to a java consumer(MDB which
listens on the queue) and it works completely file . But when i send a
TextMessage from the same c# producer to a java consumer i get the following
exception 

15:21:19,542 ERROR [ActiveMQSession] error dispatching message:
javax.ejb.TransactionRolledbackLocalException: Unexpected Error
java.lang.OutOfMemoryError: Java heap space

        at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:262)
        at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
        at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
        at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:109)
        at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
        at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)
        at
org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDrivenContainer.java:402)
        at org.jboss.ejb.Container.invoke(Container.java:954)
        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: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:206)
        at
org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:192)
        at
org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61)
        at
org.jboss.ejb.plugins.inflow.MessageEndpointInterceptor.delivery(MessageEndpointInterceptor.java:252)
        at
org.jboss.ejb.plugins.inflow.MessageEndpointInterceptor.invoke(MessageEndpointInterceptor.java:132)
        at
org.jboss.proxy.ClientMethodInterceptor.invoke(ClientMethodInterceptor.java:74)
        at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100)
        at $Proxy56.onMessage(Unknown Source)
        at
org.apache.activemq.ra.MessageEndpointProxy$MessageEndpointAlive.onMessage(MessageEndpointProxy.java:120)
        at
org.apache.activemq.ra.MessageEndpointProxy.onMessage(MessageEndpointProxy.java:60)
        at org.apache.activemq.ActiveMQSession.run(ActiveMQSession.java:692)
        at
org.apache.activemq.ra.ServerSessionImpl.run(ServerSessionImpl.java:163)
        at org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:204)
        at
org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:275)
        at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743)
        at java.lang.Thread.run(Thread.java:595)
Caused by: javax.ejb.EJBException: Unexpected Error
java.lang.OutOfMemoryError: Java heap space

I dont get any problem when i try to send a TextMessage from a java producer
to the MDB. My guesses are that the OpenWire protocol being used on the c#
side causes this issue.I tried various options like changing the prefetch
size but i was not able to get this working.May be i didnt get some
configuration right.

If any of you have faced a similar problem and then got it fixed please let
me know what was done.

I am using ActiveMQ 4.0.2 integrated to JBoss
Broker is embedded one.



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