[jboss-user] [JCA/JBoss] - Re: Oracle Connection -- WrappedConnection -- CastException

weston.price@jboss.com do-not-reply at jboss.com
Wed Jan 31 16:07:43 EST 2007

Yep. There's the issue. 

We discourage putting the driver in the EAR/WAR/lib directory for this very reason. Unfortunately, the JDBC DriverManager, as well as most XADataSource implementations have significant classloader caching/loading issues that make inclusion of the drivers in the deployment modules difficult. 

Similarly, because WAR files have their own classloading architecture, independent of the JBoss ClassLoader, you are seeing a ClassClassException. Easiest thing to do is put the JDBC jar file in your server/lib directory.

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