[HBASE-5566] [89-fb] Region server can get stuck in getMaster on master failover

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.89-fb
• Assignee: Mikhail Gryzykhin
• Reporter: Prakash Khemani
• Created: 12/Mar/12 20:26
• Updated: 13/Jun/22 15:37
• Resolved: 19/Mar/12 17:46

Description

This is specific to the 89-fb master. We have a retry loop in HRegionServer.getMaster where we do not read the location of the master from ZK, so a region server can get stuck there on master failover. We need to add a unit test to reliably catch this, and fix the bug.