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Posted to issues@kylin.apache.org by "Dayue Gao (JIRA)" <ji...@apache.org> on 2017/02/11 09:38:41 UTC

[jira] [Created] (KYLIN-2443) Report coprocessor error information back to client

Dayue Gao created KYLIN-2443:
--------------------------------

             Summary: Report coprocessor error information back to client
                 Key: KYLIN-2443
                 URL: https://issues.apache.org/jira/browse/KYLIN-2443
             Project: Kylin
          Issue Type: Improvement
          Components: Storage - HBase
    Affects Versions: v1.6.0
            Reporter: Dayue Gao
            Assignee: Dayue Gao


When query aborts in coprocessor, the current error message (list below) doesn't carry any concrete reason. User has to check regionserver's log in order to figure out what's happening, which is a tedious work and not always possible in a cloud environment. 

{noformat}
<sub-thread for Query 4fb68974-de70-4f6e-a2ee-7048202e51a7 GTScanRequest 4d65f9bf>The coprocessor thread stopped itself due to scan timeout or scan threshold(check region server log), failing current query...
{noformat}

It would be better to report error message to client.



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