[jboss-dev-forums] [Design of JBoss ESB] - Re: Fixing classloading issues in jBPM with CL-Registry?

[Kevin.Conner@jboss.com]

The current jBPM issues are related but it is just part of a bigger issue with jBPM.

The current codebase appears to be based on the premise that each jBPM instance is standalone and co-located with the code running within the system but this is not valid in an environment like the AS which can rely on a shared codebase.

The notion of a jBPM deployer is an interesting one and is something that I have mentioned in the past.  It is likely to be the keystone in any real solution to these issues.

What is really missing is for jBPM to define a proper lifecycle for the processes in a shared environment, including support for artifacts which can be undeployed/redeployed.  This will necessitate proper support for classloader hierarchies, scoped deployments etc.

I should also add that I do not think that ESB is the correct location for this work, although we would have to modify some code to fit in with whatever is decided.

Kev

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