[HBASE-3933] Hmaster throw NullPointerException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.90.6
• Component/s: master
• Release Note: It was recommended to continue working on this on a new JIRA since this one was closed and was too old to continue with.
• Assignee: Unassigned
• Reporter: gaojinchao
• Created: 30/May/11 12:27
• Updated: 12/Jun/22 18:30
• Resolved: 10/Nov/15 19:12

Description

NullPointerException while hmaster starting.

      java.lang.NullPointerException
        at java.util.TreeMap.getEntry(TreeMap.java:324)
        at java.util.TreeMap.get(TreeMap.java:255)
        at org.apache.hadoop.hbase.master.AssignmentManager.addToServers(AssignmentManager.java:1512)
        at org.apache.hadoop.hbase.master.AssignmentManager.regionOnline(AssignmentManager.java:606)
        at org.apache.hadoop.hbase.master.AssignmentManager.processFailover(AssignmentManager.java:214)
        at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:402)
        at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:283)

Issue Links

• is related to: HBASE-5202 NPE during Master failover in master.AssignmentManager.regionOnline()
• relates to: HBASE-1502 Remove need for heartbeats in HBase