[HBASE-7766] master cannot go from 94 to 96 due to zookeeper data

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Assignee: rajeshbabu
• Reporter: Sergey Shelukhin
• Created: 05/Feb/13 01:18
• Updated: 16/Jun/22 01:31
• Resolved: 21/Aug/13 21:45

Description

After running a 94 cluster and then updating it to 96, master cannot start due to the following:

2013-02-04 19:59:15,494 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown.
org.apache.zookeeper.KeeperException$DataInconsistencyException: KeeperErrorCode = DataInconsistency
at org.apache.hadoop.hbase.zookeeper.ZKUtil.convert(ZKUtil.java:1705)
at org.apache.hadoop.hbase.zookeeper.ZKTableReadOnly.getTableState(ZKTableReadOnly.java:158)
at org.apache.hadoop.hbase.zookeeper.ZKTable.populateTableStates(ZKTable.java:82)
at org.apache.hadoop.hbase.zookeeper.ZKTable.<init>(ZKTable.java:69)
at org.apache.hadoop.hbase.master.AssignmentManager.<init>(AssignmentManager.java:199)
at org.apache.hadoop.hbase.master.HMaster.initializeZKBasedSystemTrackers(HMaster.java:550)
at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:671)
at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:476)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.hbase.DeserializationException: Missing pb magic PBUF prefix
at org.apache.hadoop.hbase.protobuf.ProtobufUtil.expectPBMagicPrefix(ProtobufUtil.java:196)
at org.apache.hadoop.hbase.zookeeper.ZKTableReadOnly.getTableState(ZKTableReadOnly.java:148)
... 7 more

It should probably nuke the data and start as with blanks.

Issue Links

• is part of: HBASE-8348 Polish the migration to 0.96