lindong28 commented on a change in pull request #15633:
URL: https://github.com/apache/flink/pull/15633#discussion_r614521887
##########
File path:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/networking/NetworkFailureHandler.java
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@@ -48,6 +48,9 @@
private static final Logger LOG =
LoggerFactory.getLogger(NetworkFailureHandler.class);
private static final String TARGET_CHANNEL_HANDLER_NAME =
"target_channel_handler";
+ // They key set of this map contains the channels that are being closed.
This is needed to
+ // prevent closeOnFlush() from being called recursively.
+ private static final Map<Channel, Channel> channelsBeingClosed = new
ConcurrentHashMap<>();
Review comment:
Thanks @dawidwys. This is nice to know. I have updated PR as suggested.
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