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https://issues.apache.org/jira/browse/KYLIN-1827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15481358#comment-15481358
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Ma Gang commented on KYLIN-1827:
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No, it is not a big issue, just happens in very occasional case.
> Send mail notification when runtime exception throws during build/merge cube
> ----------------------------------------------------------------------------
>
> Key: KYLIN-1827
> URL: https://issues.apache.org/jira/browse/KYLIN-1827
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine
> Affects Versions: v1.5.1, v1.5.2
> Reporter: Ma Gang
> Assignee: Ma Gang
> Fix For: v1.5.4
>
> Attachments: fix_send_notification.patch,
> fix_send_notification_2.patch
>
>
> Currently mail notification is only sent in the onExecuteFinished() method,
> but no notification will be sent when RuntimeException throws, that may cause
> user miss some important job build failure, especially for some automation
> merge jobs. Sometimes job state update fails(the hbase metastore is
> unavailable in a short time), it will make the job always look like in a
> running state, but actually it is failed, should send mail to notify user.
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