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

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.8.2.0
• Fix Version/s: 0.8.2.1
• Assignee: Jun Rao
• Reporter: Jun Rao
• Created: 20/Feb/15 16:46
• Updated: 23/Feb/15 20:14
• Resolved: 23/Feb/15 20:14

Description

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.