[jboss-user] [JBoss jBPM] - Re: transfer existing processes to new process definition

[kukeltje]

jBPM does not provide migrating processes to newer versions of a definition *out of the box* for various reasons:
- it does not know how to map ALL existing nodes to new ones, since a lot can change
- it does not know how to map ALL existing variables to new ones since a lot can change
- it does not know how to map tokens in running instances to nodes in the new processes since a lot can change

As you can see migrating processinstances is not practical, that's why there is no support out of the box

it *does* provide a low level api whith which you can manipulate almost everything. It's up to you to learn this api and use it at your own discretion.

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