[jira] [Closed] (FLINK-921) Channel initialization does not respect JobGraph channel types

[Shang Yuanchun (Jira)]

     [ https://issues.apache.org/jira/browse/FLINK-921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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