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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13187) hiveserver2 can suppress OOM errors in some cases
Date Tue, 08 Mar 2016 21:31:40 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15185860#comment-15185860
] 

Siddharth Seth commented on HIVE-13187:
---------------------------------------

Another possible place to look at is SQLOperation catching Throwable.

> hiveserver2 can suppress OOM errors in some cases
> -------------------------------------------------
>
>                 Key: HIVE-13187
>                 URL: https://issues.apache.org/jira/browse/HIVE-13187
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Siddharth Seth
>            Priority: Critical
>
> Affects at least branch-2.
> See trace in https://issues.apache.org/jira/browse/HIVE-13176
> This looks to be in src/java/org/apache/hadoop/hive/ql/exec/TaskRunner.java.
> That catches Throwable in the thread and sends it further up. There's no checks to see
if this is an Error or general Exception - Errors end up getting suppressed, instead of killing
HiveServer2. This is on the processing threads.
> It looks like the Handler threads have some kind of OOM checker on them.



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