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11.6.3. Transaction Logging
11.6.3.1. About Transaction Log Messages
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To track transaction status while keeping the log files readable, use the
DEBUG log level for the transaction logger. For detailed debugging, use the TRACE log level. Refer to Section 11.6.3.2, “Configure Logging for the Transaction Subsystem” for information on configuring the transaction logger.
The transaction manager can generate a lot of logging information when configured to log in the
TRACE log level. Following are some of the most commonly-seen messages. This list is not comprehensive, so you may see other messages than these.
| Transaction Begin |
When a transaction begins, the following code is executed:
com.arjuna.ats.arjuna.coordinator.BasicAction::Begin:1342 tsLogger.logger.trace("BasicAction::Begin() for action-id "+ get_uid());
|
| Transaction Commit |
When a transaction commits, the following code is executed:
com.arjuna.ats.arjuna.coordinator.BasicAction::End:1342 tsLogger.logger.trace("BasicAction::End() for action-id "+ get_uid());
|
| Transaction Rollback |
When a transaction rolls back, the following code is executed:
com.arjuna.ats.arjuna.coordinator.BasicAction::Abort:1575 tsLogger.logger.trace("BasicAction::Abort() for action-id "+ get_uid());
|
| Transaction Timeout |
When a transaction times out, the following code is executed:
com.arjuna.ats.arjuna.coordinator.TransactionReaper::doCancellations:349 tsLogger.logger.trace("Reaper Worker " + Thread.currentThread() + " attempting to cancel " + e._control.get_uid());
You will then see the same thread rolling back the transaction as shown above.
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