[jira] [Created] (KAFKA-6869) Distributed herder synchronization issue

[Oleg Kuznetsov (JIRA)]

Oleg Kuznetsov created KAFKA-6869:
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             Summary: Distributed herder synchronization issue
                 Key: KAFKA-6869
                 URL: https://issues.apache.org/jira/browse/KAFKA-6869
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
    Affects Versions: 1.1.0
            Reporter: Oleg Kuznetsov


{code}org.apache.kafka.connect.runtime.distributed.DistributedHerder#needsReconfigRebalance\{code}
 field is read/write with and without *synchronized* in multiple places, that 
is incorrect by JMM.

 I propose to either adding synchronized to access it in all places or using RW 
lock varying type of  locking for reading and writing.



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