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Ismael Juma commented on KAFKA-16072: ------------------------------------- I think you mean a JUnit 5 extension (not a mockito extension). > Create Mockito extension to detect thread leak > ---------------------------------------------- > > Key: KAFKA-16072 > URL: https://issues.apache.org/jira/browse/KAFKA-16072 > Project: Kafka > Issue Type: Improvement > Components: unit tests > Reporter: Divij Vaidya > Priority: Major > Labels: newbie++ > > The objective of this task is to create a Mockito extension that will execute > after every test and verify that there are no lingering threads left over. > An example of how to create a Mockito extension can be found here: > [https://github.com/apache/kafka/pull/14783/files#diff-812cfc2780b6fc0e7a1648ff37912ff13aeda4189ea6b0d4d847b831f66e56d1] > An example on how to find unexpected threads is at > [https://github.com/apache/kafka/blob/d5aa341a185f4df23bf587e55bcda4f16fc511f1/core/src/test/scala/unit/kafka/utils/TestUtils.scala#L2427] > and also at > https://issues.apache.org/jira/browse/KAFKA-16052?focusedCommentId=17800978&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17800978 > -- This message was sent by Atlassian Jira (v8.20.10#820010)