[jira] [Created] (KAFKA-1971) starting a broker with a conflicting id will delete the previous broker registration

[Jun Rao (JIRA)]

Jun Rao created KAFKA-1971:
------------------------------

             Summary: starting a broker with a conflicting id will delete the 
previous broker registration
                 Key: KAFKA-1971
                 URL: https://issues.apache.org/jira/browse/KAFKA-1971
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.8.2.0
            Reporter: Jun Rao
             Fix For: 0.8.3


This issue can be easily reproduced by the following steps.

1. Start broker 1.
2. Start broker 2 with the same id as broker 1 (configure different port, log 
dir).

Broker 2's registration will fail. However, broker 1's registration in ZK is 
now deleted.



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