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Matthias commented on FLINK-20523: ---------------------------------- All issues, FLINK-22821, FLINK-23405 and FLINK-20523 refer to the same issue with the {{TestingZooKeeperServer}} using an already bind port. We experienced the same issue in {{ZooKeeperLeaderRetrievalConnectionHandlingTest}}: {code} Sep 21 11:04:28 [ERROR] Tests run: 5, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 16.018 s <<< FAILURE! - in org.apache.flink.runtime.leaderelection.ZooKeeperLeaderRetrievalConnectionHandlingTest Sep 21 11:04:28 [ERROR] testConnectionSuspendedHandling Time elapsed: 4.233 s <<< ERROR! Sep 21 11:04:28 java.net.BindException: Address already in use Sep 21 11:04:28 at sun.nio.ch.Net.bind0(Native Method) Sep 21 11:04:28 at sun.nio.ch.Net.bind(Net.java:461) Sep 21 11:04:28 at sun.nio.ch.Net.bind(Net.java:453) Sep 21 11:04:28 at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:222) Sep 21 11:04:28 at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:85) Sep 21 11:04:28 at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:78) Sep 21 11:04:28 at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:90) Sep 21 11:04:28 at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:120) Sep 21 11:04:28 at org.apache.curator.test.TestingZooKeeperMain.runFromConfig(TestingZooKeeperMain.java:93) Sep 21 11:04:28 at org.apache.curator.test.TestingZooKeeperServer$1.run(TestingZooKeeperServer.java:148) Sep 21 11:04:28 at java.lang.Thread.run(Thread.java:748) {code} > OffsetsInitializerTest test failed with "java.net.BindException: Address > already in use" > ---------------------------------------------------------------------------------------- > > Key: FLINK-20523 > URL: https://issues.apache.org/jira/browse/FLINK-20523 > Project: Flink > Issue Type: Bug > Components: Connectors / Kafka > Affects Versions: 1.12.0, 1.13.0, 1.14.0 > Reporter: Huang Xingbo > Priority: Major > Labels: auto-deprioritized-critical, test-stability > Fix For: 1.15.0, 1.14.1 > > > [https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=10597&view=logs&j=c5f0071e-1851-543e-9a45-9ac140befc32&t=1fb1a56f-e8b5-5a82-00a0-a2db7757b4f5] > {code:java} > 2020-12-07T16:26:03.5696966Z [ERROR] Tests run: 2, Failures: 0, Errors: 2, > Skipped: 0, Time elapsed: 2.011 s <<< FAILURE! - in > org.apache.flink.connector.kafka.source.enumerator.initializer.OffsetsInitializerTest > 2020-12-07T16:26:03.5702474Z [ERROR] > org.apache.flink.connector.kafka.source.enumerator.initializer.OffsetsInitializerTest > Time elapsed: 2.011 s <<< ERROR! > 2020-12-07T16:26:03.5712217Z java.net.BindException: Address already in use > 2020-12-07T16:26:03.5712769Z at sun.nio.ch.Net.bind0(Native Method) > 2020-12-07T16:26:03.5713147Z at sun.nio.ch.Net.bind(Net.java:461) > 2020-12-07T16:26:03.5713555Z at sun.nio.ch.Net.bind(Net.java:453) > 2020-12-07T16:26:03.5714096Z at > sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:222) > 2020-12-07T16:26:03.5714673Z at > sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:85) > 2020-12-07T16:26:03.5715245Z at > sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:78) > 2020-12-07T16:26:03.5715890Z at > org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:90) > 2020-12-07T16:26:03.5716585Z at > org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:120) > 2020-12-07T16:26:03.5717279Z at > org.apache.curator.test.TestingZooKeeperMain.runFromConfig(TestingZooKeeperMain.java:93) > 2020-12-07T16:26:03.5717957Z at > org.apache.curator.test.TestingZooKeeperServer$1.run(TestingZooKeeperServer.java:148) > 2020-12-07T16:26:03.5718486Z at java.lang.Thread.run(Thread.java:748) > 2020-12-07T16:26:03.5718766Z > 2020-12-07T16:26:03.5719289Z [ERROR] > org.apache.flink.connector.kafka.source.enumerator.initializer.OffsetsInitializerTest > Time elapsed: 2.011 s <<< ERROR! > 2020-12-07T16:26:03.5719896Z java.lang.NullPointerException > 2020-12-07T16:26:03.5720659Z at > org.apache.flink.connector.kafka.source.enumerator.initializer.OffsetsInitializerTest.tearDown(OffsetsInitializerTest.java:60) > 2020-12-07T16:26:03.5721565Z at > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > 2020-12-07T16:26:03.5722148Z at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > 2020-12-07T16:26:03.5722806Z at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > 2020-12-07T16:26:03.5723381Z at > java.lang.reflect.Method.invoke(Method.java:498) > 2020-12-07T16:26:03.5723940Z at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) > 2020-12-07T16:26:03.5724417Z at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) > 2020-12-07T16:26:03.5725153Z at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) > 2020-12-07T16:26:03.5725608Z at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33) > 2020-12-07T16:26:03.5726019Z at > org.junit.runners.ParentRunner.run(ParentRunner.java:363) > 2020-12-07T16:26:03.5726429Z at > org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365) > 2020-12-07T16:26:03.5727029Z at > org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273) > 2020-12-07T16:26:03.5727524Z at > org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) > 2020-12-07T16:26:03.5727986Z at > org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159) > 2020-12-07T16:26:03.5728491Z at > org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384) > 2020-12-07T16:26:03.5729009Z at > org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345) > 2020-12-07T16:26:03.5729467Z at > org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126) > 2020-12-07T16:26:03.5729910Z at > org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418) > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)