[jboss-user] [EJB/JBoss] - Re: cannot connect db by EJB, pls Help!

poonwingyee do-not-reply at jboss.com
Thu Oct 26 23:17:19 EDT 2006


But i view your reference link. 
the post said "JBoss provides a way to find these duplicate deployments. 

Go to the JMX console for JMImplementation:service=LoaderRepository?,name=Default 


Invoke displayClassInfo with the name of the class
If you see multiple "Instance1" and multiple CodeSources? then this could be the cause of the ClassCastExceptions that you are seeing.

i cannot see some duplicate deployment. but i see the instance1 it show the following value:
Instance1,  org.jboss.mx.loading.LoaderRepository, R ,org.jboss.mx.loading.UnifiedLoaderRepository3 at 166a22b , MBean Attribute. 

how come

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