Matthew Pitts created ARIES-1497:
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Summary: jpa-support XAJpaTemplate does not properly handle
RollbackException
Key: ARIES-1497
URL: https://issues.apache.org/jira/browse/ARIES-1497
Project: Aries
Issue Type: Bug
Components: JPA
Affects Versions: jpa-2.3.0
Reporter: Matthew Pitts
There are a couple of problems addressed here:
#. No checked exceptions ever reach the safeRollback method in XAJpaTemplate.
This is due to the fact that safeFinish catches and wraps via wrapThrowable.
This means that the shouldRollback logic will always (or almost always) be
true, because no checked exceptions have the opportunity to bubble-up as-is
from safeFinish.
#. Because of the above problem, javax.transaction.RollbackException events are
not properly handled since they result in another rollback attempt.
The proposed fix (and patch) is to allow RollbackExceptions to bubble up from
safeFinish, thus allowing for their direct passing to safeRollback. Basically,
because this is a checked exception, shouldRollback will be false during
safeRollback handling, thus preventing a rollback attempt while this exception
is propagating. Additionally, because safeRollback calls safeFinish which
ultimately calls the corresponding TransactionAttribute.finish method, then the
logic therein to issue a rollback in the event of STATUS_MARKED_ROLLBACK will
be executed when this exception is propagating. Thus, no other special handling
is really required.
Please validate and correct my statement of the problem and my fix.
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