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From "Rajith Attapattu (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (QPID-2994) transactions atomicity violated by 'transparent' failover
Date Tue, 15 Mar 2011 22:58:29 GMT

     [ https://issues.apache.org/jira/browse/QPID-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajith Attapattu resolved QPID-2994.
------------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: Future)
                   0.10

Fixed along with related issues - QPID-3042 & QPID-3043.
Tested manually and added a test case to the test harness in testkit.py

> 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: 0.10
>
>         Attachments: QPID-2994.patch
>
>
> 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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