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https://issues.apache.org/jira/browse/TRAFODION-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16388647#comment-16388647
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Sandhya Sundaresan commented on TRAFODION-1151:
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This issue has been addressed by several JIRAs that improve exception handling.
Now the issue of hangs no longer exists. It's been fixed in Trafodion 2.2. by
these JIRAs :
https://issues.apache.org/jira/browse/TRAFODION-1988
https://issues.apache.org/jira/browse/TRAFODION-2231
https://issues.apache.org/jira/browse/TRAFODION-2414
https://issues.apache.org/jira/browse/TRAFODION-2148
> LP Bug: 1442483 - SQL queries hang when Region Server goes down
> ---------------------------------------------------------------
>
> Key: TRAFODION-1151
> URL: https://issues.apache.org/jira/browse/TRAFODION-1151
> Project: Apache Trafodion
> Issue Type: Bug
> Components: sql-exe
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
> Priority: Major
>
> When the RS goes down - for example killed by zookeeper due to out of memory
> conditions, the SQL query that was executing hangs and doesn't timeout for
> atleast an hour .
> But subsequent SQL queries immediately detect that RS is down and retirn an
> Hbase -705 error.
> The timeout values in JNI calls need to be investigated to see why the hang
> happens.
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