Jiayi-Liao commented on a change in pull request #12261:
URL: https://github.com/apache/flink/pull/12261#discussion_r427749670
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
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@@ -181,6 +181,14 @@ void retriggerSubpartitionRequest(int subpartitionIndex)
throws IOException {
moreAvailable = !receivedBuffers.isEmpty();
}
+ if (next == null) {
Review comment:
I guess it's theoretically impossible that we get a null buffer here
with your changes in `releaseAllResources`, which seems to solve two cases you
mentioned in description. So.. this check is just for other unknown bad cases?
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