[jira] [Created] (KAFKA-3710) MemoryOffsetBackingStore creates a non-daemon thread that prevents clean shutdown

[Peter Davis (JIRA)]

Peter Davis created KAFKA-3710:
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             Summary: MemoryOffsetBackingStore creates a non-daemon thread that 
prevents clean shutdown
                 Key: KAFKA-3710
                 URL: https://issues.apache.org/jira/browse/KAFKA-3710
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
    Affects Versions: 0.9.0.1
            Reporter: Peter Davis
            Assignee: Ewen Cheslack-Postava


MemoryOffsetBackingStore creates an ExecutorService but 
MemoryOffsetBackingStore.stop() fails to call executor.shutdown().  This 
creates a zombie non-daemon thread which prevents clean shutdown when running a 
StandaloneHerder embedded in another application.

Note that FileOffsetBackingStore extends MemoryOffsetBackingStore so is also 
affected.



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