[jbossts-issues] [JBoss JIRA] (JBTM-1988) Downgrade certain log messages when we end a branch using TMFAIL

[Tom Jenkinson (JIRA)]

Tom Jenkinson created JBTM-1988:
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             Summary: Downgrade certain log messages when we end a branch using TMFAIL
                 Key: JBTM-1988
                 URL: https://issues.jboss.org/browse/JBTM-1988
             Project: JBoss Transaction Manager
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: JTA, Resource Manager
            Reporter: Tom Jenkinson
            Assignee: Tom Jenkinson
             Fix For: 5.0.0.Final


JBTM-1786 changed the XAResourceRecord::topLevelAbort such that the flag we send to XAR::end() from TMSUCCESS to TMFAIL.

It is possible that when we call XAResource::end(TMFAIL) the branch may have been:
1. marked as rollback only
2. rolled back

>From the XA spec: "The portion of work has failed. A resource manager might choose to mark a transaction branch as rollback-only at this point. In fact, a transaction manager does so for the global transaction. If a resource manager chooses to do so also, xa_end() returns one of the [XA_RB∗] values. TMFAIL cannot be used in conjunction with either TMSUSPEND or TMSUCCESS."

We cannot rely on the resource manager having rolled back the branch so we have to call XAR::rollback. An example is DB2, in this case it _has_ rolled back the branch and so can raise an XAException when we call rollback on it.

We should record if the RM has returned an XA_RBROLLBACK during end and if the RM then returns XAER_RMFAIL during rollback we should downgrade the logging to debug level.

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