[jira] [Created] (FLINK-18348) RemoteInputChannel should checkError before checking partitionRequestClient

[Shang Yuanchun (Jira)]

Jiayi Liao created FLINK-18348:
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             Summary: RemoteInputChannel should checkError before checking partitionRequestClient
                 Key: FLINK-18348
                 URL: https://issues.apache.org/jira/browse/FLINK-18348
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Network
    Affects Versions: 1.10.1
            Reporter: Jiayi Liao


The error will be set and \{{partitionRequestClient}} will be a null value if a remote channel fails to request the partition at the beginning. And the task will fail [here](https://github.com/apache/flink/blob/2150533ac0b2a6cc00238041853bbb6ebf22cee9/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java#L172) when the task thread trying to fetch data from channel.





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