First of all, discussion is certainly good. It is the primary force of open 
source development, so there is indeed no reason to stop discussing and poining 
out weaknesses of jBPM.
But it is very important that everybody knows they should *not* try to code 
nodes which mess with the transaction alignment of the engine. It is a bad, 
very bad way to solve problems, which may, and certainly will, cause major 
problems. Rollbacks will put the database in an incosistent state.
Second, I would be happy to see clearly described use cases for which the use 
of asynchronous (JMS) messages will not give a solution. If you don't use a 
solution like this, you will end up implementing your own substitute for this. 
Third, JMS neither MDB are particular to JBoss, you can use them in any 
appserver you like. If you have another system of doing asynchronous messaging 
(your own rolled), jBPM will happily use it if there is a Java API. So I still 
don't see the point in this whole discussion.

Regards,
Koen

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