164148: Don't swallow exceptions on recovery
Improved exception handling: occasionally, would would swallow exceptions (shame on us!).
165163: Always execute testQuery in autoCommit mode
The testQuery used to execute with an undefined autoCommit mode - so if the connection had autoCommit disabled, the testQuery would start a new (local) transaction context that conflicts with XA.
165281: Log stack trace of getConnection() after reaping
To facilitate finding connection leaks, we now start collecting and logging stack traces of getConnection() calls after the first reap.
165415: ACID/REST: allow exporting any local JTA transaction over REST
From now on, all local JTA transactions can be exported / extended over REST - so outgoing REST calls can become part of the commit scope.