[jboss-user] [JBoss jBPM] - Re: Deployment order of dependent process definitions

hosierdm do-not-reply at jboss.com
Tue Jul 11 10:36:40 EDT 2006

I personally agree in general with what you are saying, but I think there is a slight problem with it.  Deployed processes are versioned.  Let's say you start with PD1 and PD2, PD2 is a subprocess of PD1.  Each one is version 1, no problem.  Then let's say you redeploy PD2, but forget to redeploy PD1 (PD1 is v1, PD2 is v2).  The version 1 definition of PD1 is linked to version 1 of PD2, but if you resolve at runtime, PD1 will get an instance of PD2 version 2, which is not the correct definition of PD1.  Essentially, resolving subprocesses at runtime invalidates the concept of process definition versioning.  Furthermore, what if you had an instance of a super process that is currently active and then you deploy an update to one of its subprocesses before the instance reaches that subprocess?  The process would not execute in the manner as expected when the instance was started.

I believe there was a discussion either in this forum or the developer forum about allowing a setting to tell jBPM to always just take the latest definition of a subprocess when executed; you should search for that thread and add your thoughts.  I think it was related to what you're talking about here.

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