Bugs item #999156, was opened at 2004-07-28 04:41
Message generated for change (Comment added) made by ejort
You can respond by visiting:
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Category: JBossServer
Group: v3.2
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Elias Ross (genman)
>Assigned to: Adrian Brock (ejort)
Summary: MDB (possibly EJB) with <depends> can cause NPE upon create
Initial Comment:
Log statements:
2004-07-27 21:23:55,875 INFO [EARDeployer] Undeploying
J2EE application, destroy step:
file:/home/eross/src/servers/jboss-3.2.6/server/default/deploy/xxx.ear
2004-07-27 21:23:55,946 INFO [EARDeployer] Init J2EE
application:
file:/home/eross/src/servers/jboss-3.2.6/server/default/deploy/xxx.ear
2004-07-27 21:23:56,090 ERROR [MessageDrivenContainer]
Initialization failed
jboss.j2ee:jndiName=local/MDB,service=EJB
java.lang.NullPointerException
at
org.jboss.ejb.Container.createService(Container.java:571)
at
org.jboss.ejb.MessageDrivenContainer.createService(MessageDrivenContainer.java:155)
at
org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:237)
at
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:219)
at
....
Reproduction steps:
Create an .ear with a MDB which has a <depends> on a
MBean in another .ear or .sar file. Redeploy the
MBean-containing .ear. Example jboss.xml:
<jboss>
<enterprise-beans>
<message-driven>
<ejb-name>MyMDB</ejb-name>
<destination-jndi-name>queue/mymdb</destination-jndi-name>
<depends>example:service=MyService</depends>
</message-driven>
</enterprise-beans>
</jboss>
Suggestion:
In
src/main/org/jboss/ejb/Container.java
line 625: do not NULL this.classLoader;
Possibly other members should not be nulled. I'm
wondering why the extensive null-ing is even necessary.
----------------------------------------------------------------------
>Comment By: Adrian Brock (ejort)
Date: 2004-07-28 12:09
Message:
Logged In: YES
user_id=9459
The references are nulled to help the garbage collector.
But they should be nulled in EjbModule (which is what sets the
references) not the container lifecycle.
----------------------------------------------------------------------
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