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Posted to issues@kylin.apache.org by "Dong Li (JIRA)" <ji...@apache.org> on 2018/02/23 07:53:00 UTC

[jira] [Reopened] (KYLIN-2913) Enable job retry for configurable exceptions

     [ https://issues.apache.org/jira/browse/KYLIN-2913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dong Li reopened KYLIN-2913:
----------------------------

Found a critical bug on this patch, if user set job retry number as 1, and 

kylin.job.retry-exception-classes as empty as default, then all job steps will run 2 times, and Merge job will fail.

[~gwang3] please have a look. thanks!

> Enable job retry for configurable exceptions
> --------------------------------------------
>
>                 Key: KYLIN-2913
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2913
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v2.1.0
>            Reporter: Wang, Gang
>            Assignee: Wang, Gang
>            Priority: Minor
>             Fix For: v2.3.0
>
>         Attachments: 0001-KYLIN-2913-Enable-job-retry-for-configurable-excepti.patch
>
>
> In our production environment, we always get some certain exceptions from Hadoop or HBase, like "org.apache.kylin.job.exception.NoEnoughReplicationException", "java.util.ConcurrentModificationException", which results in job failure. While, these exceptions can be handled by retry actually. So, it will be much more convenient if we are able to make job retry on some configurable exceptions.



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