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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