Hi,

Today we saw this exception log in one of our environments running jboss
3.0.8:

----------------------------
12:39:55,861 WARN  [ClientConsumer] Could not send messages to a
receiver.
java.lang.reflect.UndeclaredThrowableException: 
java.lang.OutOfMemoryError
        <<no stack trace available>>
12:39:55,861 ERROR [JMSDestinationManager] The connection to client
ID:91 failed.
12:39:55,924 ERROR [SocketManager] Failed to handle:
org.jboss.mq.il.uil2.msgs.AcknowledgementRequestMsg896683[msgType:
m_acknowledge, msgID: 4449, error: null]
javax.jms.JMSException: The provided subscription does not exist
        at
org.jboss.mq.server.ClientConsumer.acknowledge(ClientConsumer.java:317)
        at
org.jboss.mq.server.JMSDestinationManager.acknowledge(JMSDestinationMana
ger.java:520)
        at
org.jboss.mq.server.JMSDestinationManager.acknowledge(JMSDestinationMana
ger.java:504)
        at
org.jboss.mq.server.JMSServerInterceptorSupport.acknowledge(JMSServerInt
erceptorSupport.java:197)
        at
org.jboss.mq.server.TracingInterceptor.acknowledge(TracingInterceptor.ja
va:404)
        at
org.jboss.mq.server.JMSServerInvoker.acknowledge(JMSServerInvoker.java:1
99)
        at
org.jboss.mq.il.uil2.ServerSocketManagerHandler.handleMsg(ServerSocketMa
nagerHandler.java:81)
        at
org.jboss.mq.il.uil2.SocketManager$ReadTask.handleMsg(SocketManager.java
:355)
        at org.jboss.mq.il.uil2.msgs.BaseMsg.run(BaseMsg.java:376)
        at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecuto
r.java:732)
        at java.lang.Thread.run(Thread.java:479)
----------------------------

1. We are wondering how it is possible that an OOM ends up inside a
UndeclaredThrowableException.
2. Is it somehow possible that an OOM originating on a remote client
results in such a stack trace?

Any help or insite is appreciated, thanks,

----------------------------------------
Sebastian Hauer
Software Engineering
[EMAIL PROTECTED] 

Sakonnet Technology
594 Broadway Suite 1008
New York, NY 10012
www.sknt.com 

+1 917 237 3831 direct
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