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From "Yuliya Feldman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2549) As NettyServerCnxn.sendResponse() allows all the exception to bubble up it can stop main ZK requests processing thread
Date Fri, 04 Nov 2016 21:40:58 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15637777#comment-15637777
] 

Yuliya Feldman commented on ZOOKEEPER-2549:
-------------------------------------------

[~rgs]  - One comment regarding your comment on double instantiation. It will happen only
in case of unit tests. I will certainly make a change to avoid double instantiation even in
that case, but code-wise it will look a bit "uglier". Will post new patch soon 

> As NettyServerCnxn.sendResponse() allows all the exception to bubble up it can stop main
ZK requests processing thread
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2549
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2549
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.5.1
>            Reporter: Yuliya Feldman
>            Assignee: Yuliya Feldman
>         Attachments: ZOOKEEPER-2549-2.patch, ZOOKEEPER-2549.patch, ZOOKEEPER-2549.patch,
zookeeper-2549-1.patch
>
>
> As NettyServerCnxn.sendResponse() allows all the exception to bubble up it can stop main
ZK requests processing thread and make Zookeeper server look like it is hanging, while it
just can not process any request anymore.
> Idea is to catch all the exceptions in NettyServerCnxn.sendResponse() , convert them
to IOException and allow it propagating up



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