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From "Craig Condit (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AMQ-3159) Log file offset in addition to file location in checkpointUpdate()
Date Tue, 25 Jan 2011 22:43:43 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Craig Condit updated AMQ-3159:
------------------------------

    Attachment: log-location.patch

Patch to MessageDatabase.java to implement change.

> Log file offset in addition to file location in checkpointUpdate()
> ------------------------------------------------------------------
>
>                 Key: AMQ-3159
>                 URL: https://issues.apache.org/jira/browse/AMQ-3159
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Message Store
>    Affects Versions: 5.4.2
>         Environment: All
>            Reporter: Craig Condit
>            Priority: Trivial
>         Attachments: log-location.patch
>
>
> We have been trying to troubleshoot issues with messages not being deleted from the KahaDB
store, and have determined that in our case, it is often due to uncommitted transactions.
MessageDatabase.checkpointUpdate() logs the location of the first open transaction, but not
the filenumber. This patch logs both, to make finding the offending transaction easier.

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