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https://issues.apache.org/jira/browse/ZOOKEEPER-1100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13234068#comment-13234068
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Rakesh R commented on ZOOKEEPER-1100:
-------------------------------------
Hi Jeremy, I have seen 'ClientCnxn.java' code has been refactored as part of
ZOOKEEPER-1174 and has modified to Throwable instead of Exception block. Later
when reviewing the code, I feel there is a minor chance of OOME due to object
creation. Please refer ZOOKEEPER-1375 for more info.
> Killed (or missing) SendThread will cause hanging threads
> ---------------------------------------------------------
>
> Key: ZOOKEEPER-1100
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1100
> Project: ZooKeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.3.3
> Environment:
> http://mail-archives.apache.org/mod_mbox/zookeeper-user/201106.mbox/%[email protected]%3E
> Reporter: Gunnar Wagenknecht
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1100.patch, ZOOKEEPER-1100.patch
>
>
> After investigating an issues with [hanging
> threads|http://mail-archives.apache.org/mod_mbox/zookeeper-user/201106.mbox/%[email protected]%3E]
> I noticed that any java.lang.Error might silently kill the SendThread.
> Without a SendThread any thread that wants to send something will hang
> forever.
> Currently nobody will recognize a SendThread that died. I think at least a
> state should be flipped (or flag should be set) that causes all further send
> attempts to fail or to re-spin the connection loop.
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