HuangZhenQiu commented on a change in pull request #11541:
[FLINK-15416][network] add task manager netty client retry mechenism
URL: https://github.com/apache/flink/pull/11541#discussion_r406609258
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/PartitionRequestClientFactory.java
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@@ -99,7 +106,7 @@ else if (old instanceof ConnectingChannel) {
// Make sure to increment the reference count before
handing a client
// out to ensure correct bookkeeping for channel
closing.
- if (!client.incrementReferenceCounter()) {
+ if (client != null &&
!client.incrementReferenceCounter()) {
Review comment:
No need. Mistakenly added.
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