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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-2832) Possible replay of old messages post index recovery from journal - data files containing acks reclaimed/cleaned up in error
Date Mon, 15 Apr 2013 18:18:16 GMT

     [ https://issues.apache.org/jira/browse/AMQ-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish updated AMQ-2832:
------------------------------

    Fix Version/s: 5.9.0
    
> Possible replay of old messages post index recovery from journal - data files containing
acks reclaimed/cleaned up in error
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-2832
>                 URL: https://issues.apache.org/jira/browse/AMQ-2832
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.3.2
>            Reporter: Gary Tully
>            Assignee: Timothy Bish
>             Fix For: 5.4.0, 5.9.0
>
>
> With long lived messages and outstanding acks, ack distribution can be sparse across
data files. If a data file is in use (still has unreferenced messages, the data files containing
acks for all those messages also need to be maintained to ensure a replay of the journal replays
the corresponding acks. Currently it is possible that data files with no unreferenced messages
but with acks pertinent to an in use data file can get deleted. The result is duplicate or
relay of old messages after journal recovery (following a crash/restart)

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