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https://issues.apache.org/jira/browse/ZOOKEEPER-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15469002#comment-15469002
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Yuliya Feldman commented on ZOOKEEPER-2549:
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>>> Should we also do similar updates to NIOServerCnx which swallows every
>>> exception instead of converting them to IOException, for the purpose of
>>> consistency?
Sure
>>> Also, for tests, might be good to reset system properties in teardown via
>>> System.clearProperty.
Yep - will do
> 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.patch, ZOOKEEPER-2549.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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