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From "Lakshmiprasad D (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-19443) HBase Client gets stuck - Cannot get replica 0 location for...
Date Thu, 07 Dec 2017 06:17:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-19443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lakshmiprasad D updated HBASE-19443:
------------------------------------
    Priority: Critical  (was: Major)

> HBase Client gets stuck - Cannot get replica 0 location for...
> --------------------------------------------------------------
>
>                 Key: HBASE-19443
>                 URL: https://issues.apache.org/jira/browse/HBASE-19443
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.4
>            Reporter: Lakshmiprasad D
>            Priority: Critical
>
> When the loader is loading data to HBase, without any forewarning that client gets stuck
and prints the below message continuously:
> [ERROR] AsyncProcess[hconnection-0x71f5455a-shared--pool20-t40846] Cannot get replica
0 location for {"totalColumns":20,"families":{"v":[{"timestamp":1512584999999,"tag":[],"qualifier":"0","vlen":4},{"timestamp":1512584999999,"tag":[],"qualifier":"uid","vlen":8},{"timestamp":1512584999999,"tag":[],"qualifier":"1","vlen":8},{"timestamp":1512584999999,"tag":[],"qualifier":"2","vlen":11}]},"row":"C\\x99L[5\\x80\\x00\\x00"}
> At this time no other loaders are impacted. Restart of the loader seems to solve the
issue until next occurence.
> Upon doing jstack at this time on the loader, it is observed that process is stuck on
a object monitor inside 'AsyncProcess.java' class.



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