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https://issues.apache.org/jira/browse/FLINK-921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ufuk Celebi closed FLINK-921.
-----------------------------
Resolution: Fixed
> Channel initialization does not respect JobGraph channel types
> --------------------------------------------------------------
>
> Key: FLINK-921
> URL: https://issues.apache.org/jira/browse/FLINK-921
> Project: Flink
> Issue Type: Bug
> Affects Versions: pre-apache-0.5
> Reporter: Ufuk Celebi
>
> Initialization of input and output channels has been moved with
> 2db78a8dc1a4664f3e384005d7e07bea594b835b from `RuntimeEnvironment` to
> `initializeChannels(GateDeploymentDescriptor)` in InputGate and OutputGate
> respectively.
> When creating a channel, `getChannelType()` of the abstract `Gate` class is
> called instead of the respective descriptor method, which should actually be
> called:
> ```
> this.channels[i] = new OutputChannel(this, i, id, connectedId,
> getChannelType());
> ```
> `getChannelType()` of `Gate` returns `ChannelType.NETWORK`, hence currently
> all channels are of type `ChannelType.NETWORK`.
> This introduces runtime lookups of channel receivers in `ChannelManager` as
> `ChannelManager.register(Task)` does not add them at task registration.
>
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