Cyrus Vafadari created KAFKA-9258:
-------------------------------------
Summary: Connect ConnectorStatusMetricsGroup sometimes NPE
Key: KAFKA-9258
URL: https://issues.apache.org/jira/browse/KAFKA-9258
Project: Kafka
Issue Type: Bug
Components: KafkaConnect
Reporter: Cyrus Vafadari
java.lang.NullPointerException
at
org.apache.kafka.connect.runtime.Worker$ConnectorStatusMetricsGroup.recordTaskRemoved(Worker.java:901)
at
org.apache.kafka.connect.runtime.Worker.awaitStopTask(Worker.java:720)
at
org.apache.kafka.connect.runtime.Worker.awaitStopTasks(Worker.java:740)
at
org.apache.kafka.connect.runtime.Worker.stopAndAwaitTasks(Worker.java:758)
at
org.apache.kafka.connect.runtime.distributed.DistributedHerder.processTaskConfigUpdatesWithIncrementalCooperative(DistributedHerder.java:575)
at
org.apache.kafka.connect.runtime.distributed.DistributedHerder.tick(DistributedHerder.java:396)
at
org.apache.kafka.connect.runtime.distributed.DistributedHerder.run(DistributedHerder.java:282)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
at java.util.concurrent.FutureTask.run(FutureTask.java)
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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