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https://issues.apache.org/jira/browse/ZOOKEEPER-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated ZOOKEEPER-511:
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Attachment: ZOOKEEPER-511.patch
this patch fixes the issue by closing the socket on a write error on the
sendthread which will cause immediate notification of tcp socket error on the
learner/observer side.
> bad error handling in FollowerHandler.sendPackets
> -------------------------------------------------
>
> Key: ZOOKEEPER-511
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-511
> Project: Zookeeper
> Issue Type: Bug
> Components: quorum, server
> Affects Versions: 3.2.0
> Reporter: Patrick Hunt
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-511.patch
>
>
> in FollowerHandler if sendPackets gets an ioexception on writeRecord the send
> thread will exit, however the
> socket isn't necessarily closed.
> 2009-08-19 15:28:46,869 - WARN [Sender-/127.0.0.1:58179:followerhand...@131]
> - Unexpected exception
> at
> org.apache.zookeeper.server.quorum.FollowerHandler.sendPackets(FollowerHandler.java:128)
> at
> org.apache.zookeeper.server.quorum.FollowerHandler.access$0(FollowerHandler.java:107)
> at
> org.apache.zookeeper.server.quorum.FollowerHandler$1.run(FollowerHandler.java:325)
> This results in the follower taking a very long time to recover and rejoin
> the quorum.
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