reswqa commented on code in PR #20796:
URL: https://github.com/apache/flink/pull/20796#discussion_r969077225
##########
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/hybrid/HsSubpartitionView.java:
##########
@@ -85,10 +86,12 @@ public BufferAndBacklog getNextBuffer() {
updateConsumingStatus(bufferToConsume);
return bufferToConsume.map(this::handleBacklog).orElse(null);
} catch (Throwable cause) {
- releaseInternal(cause);
- return null;
+ readError = cause;
}
}
+ // release subpartition reader outside of lock to avoid deadlock.
+ releaseInternal(readError);
+ return null;
Review Comment:
done.
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