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Posted to issues@trafodion.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/04/15 20:17:25 UTC

[jira] [Commented] (TRAFODION-1935) TransactionManager retries needlessly when an UnknownTransactionException is caught

    [ https://issues.apache.org/jira/browse/TRAFODION-1935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15243348#comment-15243348 ] 

ASF GitHub Bot commented on TRAFODION-1935:
-------------------------------------------

GitHub user sbroeder opened a pull request:

    https://github.com/apache/incubator-trafodion/pull/436

    Fix for JIRA [TRAFODION-1935]

    TransactionManager needlessly retries in doPrepareX when an
    UnknownTransactionException is caught

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

    $ git pull https://github.com/sbroeder/incubator-trafodion sean_traf

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

    https://github.com/apache/incubator-trafodion/pull/436.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 #436
    
----
commit 32916f91f5a89019465438648fb708925995dd58
Author: Sean Broeder <sb...@edev03.esgyn.local>
Date:   2016-04-15T18:13:24Z

    Fix for JIRA [TRAFODION-1935]
    TransactionManager needlessly retries in doPrepareX when an
    UnknownTransactionException is caught

----


> TransactionManager retries needlessly when an UnknownTransactionException is caught
> -----------------------------------------------------------------------------------
>
>                 Key: TRAFODION-1935
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-1935
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: dtm
>            Reporter: Sean Broeder
>            Assignee: Sean Broeder
>
> In doPrepareX the the TransactionManager catches and retries UnknownTransactionExceptions thrown by the regions.  This is pointless because regions that don't know about a transaction will never learn about it through a prepare message retry.  Instead, we should catch a generic excpetion, look to see if it's an UnknownTransactionException, throw it if it is, otherwise retry.



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