[jboss-user] [Beginners Corner] - Re: Problem looking with CastClassException on JBossConnecti

[PeterJ]

Do you by any chance have a jar file in your application that contains the  javax.jmx.QueueConnectionFactory class? If so, remove that jar - you are running into a class loader issue where two different class loader loaded the same class (which makes them inherently different).

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