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From drvillo <f.viv...@gmail.com>
Subject NullPointerException creating session
Date Sat, 21 Apr 2007 11:46:20 GMT

Hi all

tonight my service stopped consuming messages after the exception below:

2007-04-20 22:30:32,412 [ool-1-thread-88] ERROR ActiveMQSession               
- error dispatching message: 
java.lang.NullPointerException
        at
org.apache.activemq.ra.ManagedConnectionProxy.createSessionProxy(ManagedConnectionProxy.java:117)
        at
org.apache.activemq.ra.ManagedConnectionProxy.createSession(ManagedConnectionProxy.java:106)
        at
org.springframework.jms.core.JmsTemplate.createSession(JmsTemplate.java:826)
        at
org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:420)
        at
org.springframework.jms.core.JmsTemplate.send(JmsTemplate.java:476)
        at
org.springframework.jms.core.JmsTemplate.convertAndSend(JmsTemplate.java:557)
        at
org.springframework.jms.core.JmsTemplate.convertAndSend(JmsTemplate.java:548)
        at net.ripe.hstcnt.jms.Stage1.send(Stage1.java:49)
        at net.ripe.hstcnt.jms.Stage1.onMessage(Stage1.java:34)
        at
net.ripe.hstcnt.jms.AbstractStage.onMessage(AbstractStage.java:44)
        at
org.jencks.LocalTransactionEndpoint.onMessage(LocalTransactionEndpoint.java:68)
        at
org.apache.activemq.ra.MessageEndpointProxy$MessageEndpointAlive.onMessage(MessageEndpointProxy.java:121)
        at
org.apache.activemq.ra.MessageEndpointProxy.onMessage(MessageEndpointProxy.java:61)
        at org.apache.activemq.ActiveMQSession.run(ActiveMQSession.java:696)
        at
org.apache.activemq.ra.ServerSessionImpl.run(ServerSessionImpl.java:165)
        at
org.apache.geronimo.connector.work.WorkerContext.run(WorkerContext.java:290)
        at
org.apache.geronimo.connector.work.pool.NamedRunnable.run(NamedRunnable.java:32)
        at
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:619)


I can't really provide any more information about what was going on, but I
would like to know why such exception cause all
the sessions to stop. Is this by design? if so, why is it so?

Thanks a lot
Francesco
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