tillrohrmann commented on a change in pull request #7020: [FLINK-10774] [Kafka]
connection leak when partition discovery is disabled an…
URL: https://github.com/apache/flink/pull/7020#discussion_r246073731
##########
File path:
flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumerBase.java
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@@ -732,9 +745,7 @@ public void run() {
throw new RuntimeException(discoveryLoopError);
}
} else {
- // won't be using the discoverer
- partitionDiscoverer.close();
-
+ // partitionDiscoverer is already closed in open method
Review comment:
I think it would also be a good idea to wrap the
`kafkaFetcher.runFetchLoop()` in a `try-finally` block and to call
`partitionDisoverer.close()` in the `finally` block.
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