[jira] [Resolved] (DRILL-4647) C++ client is not propagating a connection failed error when a drillbit goes down

["Zelaine Fong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zelaine Fong resolved DRILL-4647.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.8.0

> 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
>             Fix For: 1.8.0
>
>
> 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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