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https://issues.apache.org/jira/browse/FLINK-7752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann resolved FLINK-7752.
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Resolution: Fixed
Fix Version/s: 1.4.0
Fixed via 818cccd3d447ccc4235840fd8bd9a35486ed4f49
> RedirectHandler should execute on the IO thread
> -----------------------------------------------
>
> Key: FLINK-7752
> URL: https://issues.apache.org/jira/browse/FLINK-7752
> Project: Flink
> Issue Type: Sub-task
> Components: Cluster Management, Mesos
> Reporter: Eron Wright
> Assignee: Eron Wright
> Priority: Minor
> Fix For: 1.4.0
>
>
> The redirect handler executes much of its logic (including 'respondAsLeader')
> on an arbitrary thread, but it would be cleaner to execute on the I/O thread
> by using `channelHandlerContext.executor()`. Note that Netty allows writes
> on any thread but reads on the I/O thread.
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