[jira] [Commented] (ZOOKEEPER-2549) As NettyServerCnxn.sendResponse() allows all the exception to bubble up it can stop main ZK requests processing thread

["Yuliya Feldman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15634879#comment-15634879 ] 

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

Ping again. It has been about 6 weeks.

It is really an issue at least with Netty implementation.

[~phunt], [~rgs] - Could you please review the patch, as it seems you are the most familiar with the code in question.

> 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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