[jira] [Created] (KAFKA-4306) Connect workers won't shut down if brokers are not available

["Gwen Shapira (JIRA)" <ji...@apache.org>]

Gwen Shapira created KAFKA-4306:
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             Summary: Connect workers won't shut down if brokers are not available
                 Key: KAFKA-4306
                 URL: https://issues.apache.org/jira/browse/KAFKA-4306
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
    Affects Versions: 0.10.1.0
            Reporter: Gwen Shapira
            Assignee: Ewen Cheslack-Postava


If brokers are not available and we try to shut down connect workers, sink connectors will be stuck in a loop retrying to commit offsets:

2016-10-17 09:39:14,907] INFO Marking the coordinator 192.168.1.9:9092 (id: 2147483647 rack: null) dead for group connect-dump-kafka-config1 (org.apache.kafka.clients.consumer.internals.AbstractCoordinator:600)
[2016-10-17 09:39:14,907] ERROR Commit of WorkerSinkTask{id=dump-kafka-config1-0} offsets threw an unexpected exception:  (org.apache.kafka.connect.runtime.WorkerSinkTask:194)
org.apache.kafka.clients.consumer.RetriableCommitFailedException: Offset commit failed with a retriable exception. You should retry committing offsets.
Caused by: org.apache.kafka.common.errors.GroupCoordinatorNotAvailableException

We should probably limit the number of retries before doing "unclean" shutdown.



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