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  1. Flink
  2. FLINK-22577

KubernetesLeaderElectionAndRetrievalITCase is failing

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      KubernetesLeaderElectionAndRetrievalITCase is failing constantly. Running it locally results in an AssertionError:

      3069 [KubernetesLeaderElector-ExecutorService-thread-1] DEBUG io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] - Loop thread interrupted
      java.lang.InterruptedException: null
      	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:998) ~[?:1.8.0_265]
      	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) ~[?:1.8.0_265]
      	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231) ~[?:1.8.0_265]
      	at io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.loop(LeaderElector.java:200) ~[kubernetes-client-4.9.2.jar:?]
      	at io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.renewWithTimeout(LeaderElector.java:100) ~[kubernetes-client-4.9.2.jar:?]
      	at io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.run(LeaderElector.java:71) ~[kubernetes-client-4.9.2.jar:?]
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_265]
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_265]
      	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_265]
      3078 [KubernetesLeaderElector-ExecutorService-thread-1] ERROR org.apache.flink.runtime.util.FatalExitExceptionHandler [] - FATAL: Thread 'KubernetesLeaderElector-ExecutorService-thread-1' produced an uncaught exception. Stopping the process...
      java.lang.AssertionError: null
      	at org.apache.flink.kubernetes.highavailability.KubernetesLeaderElectionDriver.writeLeaderInformation(KubernetesLeaderElectionDriver.java:130) ~[classes/:?]
      	at org.apache.flink.runtime.leaderelection.TestingLeaderElectionEventHandler.lambda$onRevokeLeadership$1(TestingLeaderElectionEventHandler.java:69) ~[test-classes/:?]
      	at org.apache.flink.runtime.leaderelection.TestingLeaderElectionEventHandler.waitForInitialization(TestingLeaderElectionEventHandler.java:93) ~[test-classes/:?]
      	at org.apache.flink.runtime.leaderelection.TestingLeaderElectionEventHandler.onRevokeLeadership(TestingLeaderElectionEventHandler.java:66) ~[test-classes/:?]
      	at org.apache.flink.kubernetes.highavailability.KubernetesLeaderElectionDriver$LeaderCallbackHandlerImpl.notLeader(KubernetesLeaderElectionDriver.java:202) ~[classes/:?]
      	at io.fabric8.kubernetes.client.extended.leaderelection.LeaderCallbacks.onStopLeading(LeaderCallbacks.java:38) ~[kubernetes-client-4.9.2.jar:?]
      	at io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.run(LeaderElector.java:72) ~[kubernetes-client-4.9.2.jar:?]
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_265]
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_265]
      	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_265]
      

      The failure never popped up due to FLINK-22564

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              • Assignee:
                trohrmann Till Rohrmann
                Reporter:
                mapohl Matthias
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