gianm commented on issue #6206: Fix NPE in KafkaSupervisor.checkpointTaskGroup URL: https://github.com/apache/incubator-druid/pull/6206#issuecomment-416104972 Seeing these, possibly legitimate failures? ``` Failed tests: KafkaSupervisorTest.testCheckpointForInactiveTaskGroup:2126 java.lang.AssertionError: Unexpected method call TaskRunner.getRunningTasks(): at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:44) at org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethodsFilter.java:94) at com.sun.proxy.$Proxy43.getRunningTasks(Unknown Source) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$1.getTaskLocation(KafkaSupervisor.java:312) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.checkpointTaskGroup(KafkaSupervisor.java:1531) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.checkTaskDuration(KafkaSupervisor.java:1461) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.runInternal(KafkaSupervisor.java:898) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$RunNotice.handle(KafkaSupervisor.java:611) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$2.run(KafkaSupervisor.java:385) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) expected null, but was:<java.lang.AssertionError: Unexpected method call TaskRunner.getRunningTasks(): at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:44) at org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethodsFilter.java:94) at com.sun.proxy.$Proxy43.getRunningTasks(Unknown Source) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$1.getTaskLocation(KafkaSupervisor.java:312) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.checkpointTaskGroup(KafkaSupervisor.java:1531) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.checkTaskDuration(KafkaSupervisor.java:1461) at io.druid.indexing.kafka.supervisor.KafkaSupervisor.runInternal(KafkaSupervisor.java:898) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$RunNotice.handle(KafkaSupervisor.java:611) at io.druid.indexing.kafka.supervisor.KafkaSupervisor$2.run(KafkaSupervisor.java:385) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ```
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