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Posted to dev@qpid.apache.org by "Marnie McCormack (JIRA)" <qp...@incubator.apache.org> on 2008/10/30 12:15:44 UTC
[jira] Updated: (QPID-142) Transactions not atomic in the face of
fail over
[ https://issues.apache.org/jira/browse/QPID-142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marnie McCormack updated QPID-142:
----------------------------------
Fix Version/s: (was: M4)
Descoping items not being worked on for M4 into Unknown Fix Version for now
> Transactions not atomic in the face of fail over
> ------------------------------------------------
>
> Key: QPID-142
> URL: https://issues.apache.org/jira/browse/QPID-142
> Project: Qpid
> Issue Type: Bug
> Components: Dot Net Client, Java Client
> Affects Versions: M3
> Reporter: Steven Shaw
> Assignee: Aidan Skinner
>
> When some messages are already published in a transaction when fail over occurs, those messages will be lost.
> Options seem to be:
> 1. Remembering and replaying sent messages (in a Tx)
> 2. Aborting any in-flight transactions on failover
> 1 could be costly in terms of memory for applications using transaction. 2 could be annoying for applications requiring the use of retry loops (however these retry loops are often necessary in any case and can sometimes be injected via AOP).
> I asked Gordon's opinion and he favored (2) as well.
> In addition to this we need to ensure that the broker issues a Channel.Close when it gets a Tx.Commit without a prior Tx.Select. It's not clear what error code should be used. Invalid-command (503) looks close but is a hard-error. Check the amqp-dev list for discussion on this topic.
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