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1. Re: classpath entries in -service.xml causing duplicate jar
Caveat - I've never deployed a user-service - but (I think) I know a little about the ClassLoaders.
Are you sure you need put the jar in your classpath? My understanding is that there is a central Class Repository that by default classes are entered into; therefore common.jar should be available to by default.
(I ran into this by trying to deploy the same jar in 2 different EARs; and suprise it was already loaded and I got a DuplicateClass error. You have to make efforts to actually deploy the same JAR twice).
That's my understanding - somebody pls correct me if I'm wrong. -
2. Re: classpath entries in -service.xml causing duplicate jar
The issue I'm having with user-service.xml is the order of deployment. The deployer deploys in this order:
"sar", "service.xml", "rar", "jar", "war", "wsr", "ear", "zip"
if your service.xml has a dependency on a jar, you can specify a "classpath" entry in the mbean. If you don't specify it, then you'll get a ClassNotFoundException.
This worked fine in Jboss3.0.4, not in 3.2.1. There are other options(make a SAR, put the jar in the lib directory, place the jar/xml in an ear), all which satisfy my current needs. I'd still prefer the original solution.
Sounds like the classloader is not checking the repository when it attempts to deploy a jar that was previously deployed by an mbean. I'm not familiar enough to say EXACTLY how the UCL is handling this. I may be out in left-field(baseball reference JIK).
-Ivan