[jbossts-issues] [JBoss JIRA] Created: (JBTM-748) Calling rollback_only via OTS is throwing the wrong exception

Michael Musgrove (JIRA) jira-events at lists.jboss.org
Fri Jun 11 05:49:38 EDT 2010

Calling rollback_only via OTS is throwing the wrong exception

                 Key: JBTM-748
                 URL: https://jira.jboss.org/browse/JBTM-748
             Project: JBoss Transaction Manager
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: JTS
    Affects Versions: 4.11.0
            Reporter: Michael Musgrove
            Assignee: Andrew Dinn
             Fix For: 4.12.0

Occasionally our BlackTie CI test run is failing when marking a transaction rollback only because it is getting the wrong exception back from the transaction manager

 16:11:10,296 WARN  [arjLoggerI18N]  [com.arjuna.ats.arjuna.coordinator.TransactionReaper_18] -  TransactionReaper::check timeout for TX -53ee7cfb:10e2:4c0fa834:22ec  in state  RUN
     [exec] 2010-06-09 16:11:10,296 [0x0000123c] WARN   (TxLogControl             :153 ) - rollback_only: INVALID_TRANSACTION  minor: 20001
16:11:10,328 WARN  [arjLoggerI18N]  [com.arjuna.ats.arjuna.coordinator.TransactionReaper_7] -  TransactionReaper::doCancellations worker Thread[Thread-18,5,jboss]  successfully canceled TX -53ee7cfb:10e2:4c0fa834:22ec

The second log message comes from the C client (the other two from the reaper). The CORBA System exception major/minor code represents INVALID_TRANSACTION/INACTIVE_TRANSACTION which according to the OTS spec is incorrect.

A look at the code shows a race condition between a BlackTie C client marking a transaction abort only and the Transaction Reaper cancelling it (due to a timeout being reached). The reaper eventually winds up in ControlImple.destroy() where the CORBA object representing the transaction is destroyed. There is a window where the C client request reaches JacORB just before the reaper has had a chance to destroy the CORBA object resulting in the wrong exception being returned.

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