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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18199) Race in NettyRpcConnection may cause call stuck in BufferCallBeforeInitHandler forever
Date Fri, 09 Jun 2017 13:38:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Duo Zhang updated HBASE-18199:
------------------------------
    Attachment: HBASE-18199.patch

> Race in NettyRpcConnection may cause call stuck in BufferCallBeforeInitHandler forever
> --------------------------------------------------------------------------------------
>
>                 Key: HBASE-18199
>                 URL: https://issues.apache.org/jira/browse/HBASE-18199
>             Project: HBase
>          Issue Type: Bug
>          Components: IPC/RPC
>    Affects Versions: 3.0.0, 1.4.0, 2.0.0-alpha-1
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 3.0.0, 1.4.0, 2.0.0-alpha-2
>
>         Attachments: HBASE-18199.patch
>
>
> Found this when implementing the POC of HDFS-9924.
> The problem is that channel.writeAndFlush will find the first outbound handler before
scheduling the actual write task into event loop, so it is possible that when we actually
execute the write task, the first outbound handler has already been changed but the task still
refers to the old handler which has already been removed.



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