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From prashanth-vasudev <...@git.apache.org>
Subject [GitHub] incubator-trafodion pull request #885: [TRAFODION-2414] enhance 8616 commit ...
Date Thu, 22 Dec 2016 00:43:39 GMT
GitHub user prashanth-vasudev opened a pull request:

    https://github.com/apache/incubator-trafodion/pull/885

    [TRAFODION-2414] enhance 8616 commit conflict error message to include tx conflict details

    commit conflict error detail is available in the region.
    This error is raised as a commit conflict exception and carried back to
    transaction manager and further back to sql client. 
    Careful attention is given to make sure TM behaviour does not change
    by making sure to the error codes continue to be returned along with 
    new exception strings.   
    Current set of change takes are of multi region transaction. 
    Additional change will be checked in to support single region transactions.
    
    Error message looks like this:
    >>commit work;
    
    *** ERROR[8616] A conflict was detected during commit processing. Transaction has been
aborted. Detail :org.trafodion.dtm.TransactionManagerException: org.apache.hadoop.hbase.coprocessor.transactional.CommitConflictException:
java.io.IOException: Transaction [[transactionId: 17114 regionTX: false status: PENDING scan
Size: 2 write Size: 1 startSQ: 2]] has scan which conflicts with [[transactionId: 1554366944090715
regionTX: true status: COMMITED scan Size: 2 write Size: 1 startSQ: 2 commitedSQ:2]]: region
[TRAFODION.SCH.T116T6,,1482359816577.c4a43321f6a96035c3deeb0d85e55ccb.], scanRange[startRow:
\x80\x00\x00\x01, endRow: \x80\x00\x00\x01], inserted row[\x80\x00\x00\x01]


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

    $ git pull https://github.com/prashanth-vasudev/incubator-trafodion tmErrMsg

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

    https://github.com/apache/incubator-trafodion/pull/885.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 #885
    
----
commit 4a63d90d929a25940044d1a44f4e26dd6016c9cf
Author: Prashant Vasudev <prashanth.vasudev@esgyn.com>
Date:   2016-12-21T23:50:12Z

    [TRAFODION-2414] enhance 8616 commit conflict error message to include tx conflict details.

----


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