ExtremeTransactions 4.0.77

Release notes for the 4.0.77 release

168377: Error during log flush: treat as heuristic hazard, not as rollback

We've refined exception handling for the rare case where flushing a commit record to the log fails.

176189: Reap: avoid connection reuse in nonxa

Although unlikely, reaping would attempt to mark the connection as reusable before it was destroyed in the pool. In theory this could give race conditions so we have improved that.

176244: XAResourceTransaction.commit/rollback: log warnings only once

We used to log two times the same warning in some exceptional cases, this has now been improved.

175998: XAResourceTransaction.commit/rollback: treat -6 (XAER_PROTO error) separately

This kind of exception can happen after a reap and does not have to lead to useless warnings, so we treat this separately now.

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