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Robert Metzger commented on FLINK-21708: ---------------------------------------- I'm closing this ticket as a duplicate > CloserCleaner warning > --------------------- > > Key: FLINK-21708 > URL: https://issues.apache.org/jira/browse/FLINK-21708 > Project: Flink > Issue Type: Bug > Components: API / DataStream > Reporter: Avi Levi > Priority: Minor > > Getting this warning : > {noformat} > WARNING: An illegal reflective access operation has occurred > WARNING: Illegal reflective access by > org.apache.flink.api.java.ClosureCleaner > (file:/Users/Foouser/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/apache/flink/flink-core/1.12.2/flink-core-1.12.2.jar) > to field java.lang.String.value > WARNING: Please consider reporting this to the maintainers of > org.apache.flink.api.java.ClosureCleaner{noformat} -- This message was sent by Atlassian Jira (v8.3.4#803005)