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https://issues.apache.org/jira/browse/KYLIN-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dayue Gao resolved KYLIN-2443.
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Resolution: Fixed
Fix Version/s: v2.0.0
> 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
> Fix For: v2.0.0
>
>
> 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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