fapaul commented on a change in pull request #17696:
URL: https://github.com/apache/flink/pull/17696#discussion_r747269536
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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:
> Is this an issue because tests may be run in parallel in the same JVM
of the IDE and thus the leak detection looks at the threads of another test?
Are tests within the same module by default run in parallel? Perhaps there
is also another test within the module leaking thread that is executed before
the `FlinkKafkaProducerITCase` ...
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