Hi,

I have some EJB3 MDBs which were working fine with JBoss 4.0.4.GA, JBoss 
Messaging1.0.1.CR5 and EJB3 RC8. The only issue was that I could not start/stop 
the MDBs using JMX. Reading through the forums it looked like this was fixed in 
RC9 build of EJB3. 

I installed the EJB3 RC9 using the ant script and followed the migration (RC8 - 
RC9) notes. On restarting initially got the error saying the jms-ra.rar was 
already registered. To fix that, copied the deploy/jms/jms-ra.rar to 
deploy/jms-ra.rar replacing the existing jms-ra.rar and deleted the jms 
directory.

That got rid of that problem but I keep getting the following: 


MIPServer.jar,name=TestMDB,service=EJB3
java.lang.NullPointerException
        at org.jboss.ejb3.mdb.MDB.getMessagingType(MDB.java:85)
        at org.jboss.ejb3.mdb.inflow.JBossMessageEndpointFactory.resolveMessageL
istener(JBossMessageEndpointFactory.java:241)
        at org.jboss.ejb3.mdb.inflow.JBossMessageEndpointFactory.start(JBossMess
ageEndpointFactory.java:184)
        at org.jboss.ejb3.mdb.MessagingContainer.startProxies(MessagingContainer
.java:185)
        at org.jboss.ejb3.mdb.MessagingContainer.start(MessagingContainer.java:1
51)
        at org.jboss.ejb3.mdb.MDB.start(MDB.java:126)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.

I am sure I am missing some step here but cannot find what exactly it is. MDB 
looks like the following

@MessageDriven(activationConfig =
{
                @ActivationConfigProperty(propertyName="destinationType", 
propertyValue="javax.jms.Topic"),
                @ActivationConfigProperty(propertyName="destination", 
propertyValue="topic/topicname"),
                
@ActivationConfigProperty(propertyName="durability",propertyValue="Durable"), 
                
@ActivationConfigProperty(propertyName="clientId",propertyValue="ClientID"), 
                
@ActivationConfigProperty(propertyName="noLocal",propertyValue="true"),
                
@ActivationConfigProperty(propertyName="subscriptionName",propertyValue="SubName")
})


Thanks for the help.

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