[ https://forge.continuent.org/jira/browse/SEQUOIA-861?page=all ]
Damian Arregui resolved SEQUOIA-861:
------------------------------------
Assign To: Mathieu Peltier (was: Damian Arregui)
Resolution: Fixed
Merged in HEAD.
> J/Connector 5.0.4 bug #24721 may prevent a vdb from shutting down safely
> ------------------------------------------------------------------------
>
> Key: SEQUOIA-861
> URL: https://forge.continuent.org/jira/browse/SEQUOIA-861
> Project: Sequoia
> Type: Bug
> Versions: Sequoia 2.10.2
> Reporter: Damian Arregui
> Assignee: Mathieu Peltier
> Fix For: Sequoia 3.0 beta 2, Sequoia 2.10.3
>
>
> When Statement.cancel() and Statement.close() are executed by two different
> threads, a race condition may result in Statement.cancel() throwing a NPE.
> This leaves Sequoia in an unexpected state which may prevent a vdb from
> shutting down safely.
> Such a behavior has been observed when using Statement.setQueryTimeout().
> What happens in this particular case is that a DistributedRollback message
> remains in the vdb total order queue and is never removed, blocking any
> subsequent messages, and in particular those tied to safe vdb shutdown.
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