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From "Michael Han (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2359) ZooKeeper client has unnecessary logs for watcher removal errors
Date Thu, 01 Jun 2017 16:39:04 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16033270#comment-16033270
] 

Michael Han commented on ZOOKEEPER-2359:
----------------------------------------

Thanks for reminder, [~lorrin]. This patch was out of radar for a while.

Committed to master: https://github.com/apache/zookeeper/commit/1f2eb3a0409ff4f3b09896f2148dfbcb9d4c5081
Committed to branch-3.5: https://github.com/apache/zookeeper/commit/beed6cb0210138a7f897a1d148c3d0ad8d894a70


> ZooKeeper client has unnecessary logs for watcher removal errors
> ----------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2359
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2359
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: java client
>    Affects Versions: 3.5.1
>            Reporter: Jordan Zimmerman
>            Assignee: Jordan Zimmerman
>             Fix For: 3.5.4, 3.6.0
>
>         Attachments: ZOOKEEPER-2359.patch
>
>
> ClientCnxn.java logs errors during watcher removal:
> LOG.error("Failed to find watcher!", nwe);
> LOG.error("Exception when removing watcher", ke);
> An error code/exception is generated so the logs are noisy and unnecessary. If the client
handles the error there's still a log message. This is different than other APIs. These logs
should be removed.



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