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https://issues.apache.org/jira/browse/DRILL-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379906#comment-15379906
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ASF GitHub Bot commented on DRILL-4647:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/drill/pull/493
> C++ client is not propagating a connection failed error when a drillbit goes
> down
> ---------------------------------------------------------------------------------
>
> Key: DRILL-4647
> URL: https://issues.apache.org/jira/browse/DRILL-4647
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Parth Chandra
>
> When a drillbit goes down, there are two conditions under which the client is
> not propagating the error back to the application -
> 1) The application is in a submitQuery call: the ODBC driver is expecting
> that the error be reported thru the query results listener which hasn't been
> registered at the point the error is encountered.
> 2) A submitQuery call succeeded but never reached the drillbit because it was
> shutdown. In this case the application has a handle to a query and is
> listening for results which will never arrive. The heartbeat mechanism
> detects the failure, but is not propagating the error to the query results
> listener.
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