Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/6071#discussion_r191385215 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/ReadOnlySlicedNetworkBuffer.java --- @@ -75,12 +75,12 @@ private ReadOnlySlicedNetworkBuffer(ByteBuf buffer, int index, int length, int m @Override public ByteBuf unwrap() { - return super.unwrap().unwrap(); + return super.unwrap(); --- End diff -- Is this change necessary for the upgrade or cleanup?
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