[jboss-dev-forums] [Design of JCA on JBoss] - Re: JBossTS/JBossJCA XA/Local transactions

[mark.little@jboss.com]

"bill.burke at jboss.com" wrote : +1 for Weston.
  | 
  | Mark, why are you being so religious and academic.  Weston states all valid cases for the feature.  Transactions/unit of work is still extremely useful even without 2pc.

Bill, this is not academic. Multiple one-phase resources in a two-phase transaction does not give you the consistency and atomicity guarantees. When you don't support recovery then it really doesn't make a difference. But when you do, it is wrong to support this and give the impression that this is a valid approach. This is not a transaction (where the definition of transaction is JTA, JTS/OTS, XA, WS-T ACID transaction). If we want to support this, then we should be doing so through some other interface, which makes it clear that the failure and recovery semantics are different.

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