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From "Gordon Sim (JIRA)" <j...@apache.org>
Subject [jira] Commented: (QPID-2994) transactions atomicity violated by 'transparent' failover
Date Tue, 11 Jan 2011 13:16:45 GMT

    [ https://issues.apache.org/jira/browse/QPID-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980092#action_12980092
] 

Gordon Sim commented on QPID-2994:
----------------------------------

We should also ensure that in failover an exception indicating the automatic rollback of the
transaction is thrown to that can be caught and used to redo the transaction.

> transactions atomicity violated by 'transparent' failover
> ---------------------------------------------------------
>
>                 Key: QPID-2994
>                 URL: https://issues.apache.org/jira/browse/QPID-2994
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: 0.6, 0.7, 0.8
>            Reporter: Rajith Attapattu
>            Assignee: Rajith Attapattu
>             Fix For: Future
>
>
> The messages published within a batch at the point the connection failsover appear to
be replayed outside of any transaction.
> Steps to Reproduce:
> 1. start transactional session on failover enabled connection
> 2. send batches of messages in transactions
> 3. kill the cluster node the client is connected to, to trigger failover mid
> transaction
> This happens due to the lower layer replaying unacked messages upon resuming the connection.
> Message replay should not happen on a transacted session as there is no benefit of doing
so.

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