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https://issues.apache.org/jira/browse/TRAFODION-1935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Broeder closed TRAFODION-1935.
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> 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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