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Posted to issues@activemq.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/12/10 04:14:00 UTC

[jira] [Commented] (ARTEMIS-2197) Page deleted before transaction finishes

    [ https://issues.apache.org/jira/browse/ARTEMIS-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16714284#comment-16714284 ] 

ASF GitHub Bot commented on ARTEMIS-2197:
-----------------------------------------

GitHub user gaohoward opened a pull request:

    https://github.com/apache/activemq-artemis/pull/2455

    ARTEMIS-2197 Page deleted before transaction finishes

    When a receiving transaction is committed in a paging situation,
    if a page happens to be completed and it will be deleted in a
    transaction operation (PageCursorTx). The other tx operation
    RefsOperation needs to access the page (in PageCache) to finish
    its job. There is a chance that the PageCursorTx removes the
    page before RefsOperation and it will cause the RefsOperation
    failed to find a message in a page.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gaohoward/activemq-artemis a_e2011_2

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/activemq-artemis/pull/2455.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2455
    
----
commit 3ebd2e49e5945f305dc68e1be83218bbde3c7085
Author: Howard Gao <ho...@...>
Date:   2018-12-10T03:19:15Z

    ARTEMIS-2197 Page deleted before transaction finishes
    
    When a receiving transaction is committed in a paging situation,
    if a page happens to be completed and it will be deleted in a
    transaction operation (PageCursorTx). The other tx operation
    RefsOperation needs to access the page (in PageCache) to finish
    its job. There is a chance that the PageCursorTx removes the
    page before RefsOperation and it will cause the RefsOperation
    failed to find a message in a page.

----


> Page deleted before transaction finishes
> ----------------------------------------
>
>                 Key: ARTEMIS-2197
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-2197
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.6.3
>            Reporter: Howard Gao
>            Assignee: Howard Gao
>            Priority: Major
>             Fix For: 2.6.4
>
>
> When a receiving transaction is committed in a paging situation,
> if a page happens to be completed and it will be deleted in a
> transaction operation (PageCursorTx). The other tx operation
> RefsOperation needs to access the page (in PageCache) to finish
> its job. There is a chance that the PageCursorTx removes the
> page before RefsOperation and it will cause the RefsOperation
> failed to find a message in a page.
>  



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