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Attn Kyle, java.lang.LinkageError

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My application was deployed & running fine on Websphere 4.0.1AE with windows 2000 OS..Recently i had installed the fixpack 2 for the same in order to eliminate some errors.
When i ran my application i got the following error while it is trying to connect to Oracle database.
nested exception is:
java.lang.LinkageError: Class com/ibm/ejs/container/EJSDeployedSupport violates loader constraints
Pls help me out,
Ranch Hand
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-I've seen an error like this. It usually means you have the same class twice in your class path. go to < WAS_INSTALL >/lib and search all the jars looking for this Class. It should occur once.
-One of the classloader constraints I got was that the parent and child classloaders were loading the same class.
-Why not upgrade all the way to 4.0.4?
Acetylsalicylic acid is aspirin. This could be handy too:
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
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