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https://issues.apache.org/jira/browse/DERBY-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kathey Marsden updated DERBY-4141:
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    Attachment: derby-4141_diff.txt

The attached patch (derby-4141_diff.txt) has the client and embedded changes 
and adds a test for the XAER_RMFAIL case.  I couldn't figure out a case for 
testing the XAER_RMERR case, (non-session ending exception that causes an xa 
operation to fail), but if anyone has any ideas, please let me know and I'll 
add a test for that too.

For client I mapped the disconnect exception to XAException.XAER_RMFAIL  and 
verified that server side exceptions that  cause XAExceptions do indeed get the 
errorCode from the server.  I think this resolves my concerns about client side 
SQLExcetptions.

Running tests now.  I would like to backport this change to 10.3. It is a 
behavior change, but I think a sensible one that is low risk. Please let me 
know if you have any concerns.


> XAExceptions thrown by Derby can have errorCode 0 
> --------------------------------------------------
>
>                 Key: DERBY-4141
>                 URL: https://issues.apache.org/jira/browse/DERBY-4141
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.1.3.1, 10.2.1.6, 10.3.3.0, 10.4.2.0, 10.5.1.1, 
> 10.6.0.0
>            Reporter: Kathey Marsden
>            Assignee: Kathey Marsden
>         Attachments: derby-4141_diff.txt, derby-4141_embbeded_diff1.txt
>
>
> When an XAException occurs during xa.start() or other XA operation, because 
> of an SQLException, we have an errorCode of 0, regardless of the severity.  I 
> would suggest XAER_RMFAIL for SESSION_SEVERITY or greater and XAER_RMERR for 
> lower severity exceptions. See thread 
> http://www.nabble.com/XAException.errorCode-on-XAException-caused-by-an-SQLException-tt22832423.html
>   for more detail and a reproduction.

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