Github user zhijiangW commented on a diff in the pull request: https://github.com/apache/flink/pull/4552#discussion_r162259781 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/PartitionRequestClientFactory.java --- @@ -164,11 +165,13 @@ private boolean dispose() { private void handInChannel(Channel channel) { synchronized (connectLock) { try { - PartitionRequestClientHandler requestHandler = channel.pipeline() - .get(PartitionRequestClientHandler.class); + NetworkClientHandler clientHandler = channel.pipeline().get(PartitionRequestClientHandler.class); + if (clientHandler == null) { + clientHandler = channel.pipeline().get(CreditBasedPartitionRequestClientHandler.class); + } --- End diff -- good idea!
---