JBoss 6 deployment of message-driven bean error

Posted by AntonioP on Stack Overflow See other posts from Stack Overflow or by AntonioP
Published on 2010-12-16T14:33:12Z Indexed on 2010/12/21 9:54 UTC
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Hello,

I have an java EE application which has one message-driven bean and it runs fine on JBoss 4, however when I configure the project for JBoss 6 and deploy on it, I get this error;

WARN  [org.jboss.ejb.deployers.EjbDeployer.verifier] EJB spec violation:

...

The message driven bean must declare one onMessage() method.

...

org.jboss.deployers.spi.DeploymentException: Verification of Enterprise Beans failed, see above for error messages.

But my bean HAS the onMessage method! It would not have worked on jboss 4 either then.

Why do I get this error!?

Edit:

The class in question looks like this

package ...
imports ...

public class MyMDB implements MessageDrivenBean, MessageListener {
AnotherSessionBean a;
OneMoreSessionBean b;

public MyMDB() {}

public void onMessage(Message message) {
    if (message instanceof TextMessage) {
        try {
                //Lookup sessionBeans by jndi, create them
                lookupABean();
                // check message-type, then invokie
                a.handle(message);
                // else
                b.handle(message);

            } catch (SomeException e) { 
                  //handling it 
            } 
     }
}

public void lookupABean() {
    try {
         // code to lookup session beans and create.
    } catch (CreateException e) { // handling it and catching NamingException too }
}
}

Edit 2: And this is the jboss.xml relevant parts

<message-driven>
<ejb-name>MyMDB</ejb-name>
<destination-jndi-name>topic/A_Topic</destination-jndi-name>
<local-jndi-name>A_Topic</local-jndi-name>
<mdb-user>user</mdb-user>
<mdb-passwd>pass</mdb-passwd>
<mdb-client-id>MyMessageBean</mdb-client-id>
<mdb-subscription-id>subid</mdb-subscription-id>
<resource-ref>
<res-ref-name>jms/TopicFactory</res-ref-name>
<jndi-name>jms/TopicFactory</jndi-name>
</resource-ref>
</message-driven>

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