fapaul commented on a change in pull request #17696:
URL: https://github.com/apache/flink/pull/17696#discussion_r747269811
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File path:
flink-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducerITCase.java
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@@ -53,7 +53,12 @@
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
-/** IT cases for the {@link FlinkKafkaProducer}. */
+/**
+ * IT cases for the {@link FlinkKafkaProducer}.
+ *
+ * <p>Do not run this class in the same junit execution with other tests in
your IDE. This may lead
+ * leaking threads.
Review comment:
> If we see more tests than that, we could also introduce an annotation
later.
Good idea, hopefully, this case does not become more often
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