Date Created: Sat 20-Aug-2011

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Problem:

When creating a client application to connect to an EJB deployed on a WebSphere Server you get the following error

20-Aug-2011 20:48:27 null null
SEVERE: security.JSAS1480I
20-Aug-2011 20:48:28 null null
INFO: Client code attempting to load security configuration
Caught an unexpected exception!
java.lang.ClassCastException: Unable to load class: com.screv._CartHome_Stub
at com.ibm.rmi.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:372)
at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:148)
at com.screv.client.CartClient.main(CartClient.java:24)

Solution:

Ensure that your client application has client stubs created for RMI. Tip: use the RMIC command from command line or use ANT RMIC task in your build script. Or you can invest in IBM Rapid Application Developer which contain tooling to make WAS application client easier to develop.

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Steve Robinson - IBM Champion 2013

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Steve Robinson has been working in IT for over 20 years and has provided solutions for many large-enterprise corporate companies across the world. Steve specialises in Java and Middleware.

In January 2013, I was awarded the prestigous 'IBM Champion' accolade.


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