– JBoss 5.1.0GA
During a long processing transaction, the ORA-02049 exception was thrown.
According with metalink note 789517.1 “an ORA-02049 ‘timeout: distributed transaction waiting for lock’ error occurs when a session that is involved in a distributed transaction waits for another session’s TX enqueue (row lock) for longer than the database distributed_lock_timeout. What constitutes a ‘distributed transaction’ is what generates confusion on this topic. Any operation that uses a database link – even a query – starts a distributed transaction. An ORA-02049 ‘timeout: distributed transaction waiting for lock’ error occurs when a session that is involved in adistributed transaction waits for another session’s TX enqueue (row lock) for longer than the databasedistributed_lock_timeout. What constitutes a ‘distributed transaction’ is what generates confusion on this topic. Anyoperation that uses a database link – even a query – starts a distributed transaction.”
After adding some extra properties in my oracle-xa-ds.xml:
and setting the flush mode to commit
the problem was solved. No more ORA-02049 :)
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