error in deploying an EAR file in JBOSS

spanneer Jun 18, 2007 4:10 PM

--- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
ObjectName: jboss.j2ee:module=TransEJB.jar,uid=380020690,service=EjbModule
State: FAILED
Reason: javax.management.InstanceAlreadyExistsException: jboss.j2ee:jndiName=ejb/SignOn,service=EJB already registered.

Help me on fix it.