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From "Thomas Friedrich (JIRA)" <>
Subject [jira] [Comment Edited] (HIVE-14210) SSLFactory truststore reloader threads leaking in HiveServer2
Date Tue, 12 Jul 2016 00:13:11 GMT


Thomas Friedrich edited comment on HIVE-14210 at 7/12/16 12:12 AM:

Provided patch for to call jobclient.close()

was (Author: tfriedr):
Patch for

> SSLFactory truststore reloader threads leaking in HiveServer2
> -------------------------------------------------------------
>                 Key: HIVE-14210
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive, HiveServer2
>    Affects Versions: 1.2.1, 2.0.0, 2.1.0
>            Reporter: Thomas Friedrich
>         Attachments: HIVE-14210.patch
> We found an issue in a customer environment where the HS2 crashed after a few days and
the Java core dump contained several thousands of truststore reloader threads:
> "Truststore reloader thread" #126 daemon prio=5 os_prio=0 tid=0x00007f680d2e3000 nid=0x98fd
waiting on 
> condition [0x00007f67e482c000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
>         at java.lang.Thread.sleep(Native Method)
>         at
> (
>         at
> We found the issue to be caused by a bug in Hadoop where the TimelineClientImpl is not
destroying the SSLFactory if SSL is enabled in Hadoop and the timeline server is running.
I opened YARN-5309 which has more details on the problem, and a patch was submitted a few
days back.
> In addition to the changes in Hadoop, there are a couple of Hive changes required:
> - ExecDriver needs to call jobclient.close() to trigger the clean-up of the resources
after the submitted job is done/failed
> - Hive needs to pick up a newer release of Hadoop to pick up MAPREDUCE-6618 and MAPREDUCE-6621
that fixed issues with calling jobclient.close(). Both fixes are included in Hadoop 2.6.4.

> However, since we also need to pick up YARN-5309, we need to wait for a new release of

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