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gaojinchao commented on HBASE-3933: ----------------------------------- Hi all. I have a new idea for this issue. why don't we get the regionserver list from zk when it is failover? we can avoid this case that the hlog is splited but region server is servering. > Hmaster throw NullPointerException > ---------------------------------- > > Key: HBASE-3933 > URL: https://issues.apache.org/jira/browse/HBASE-3933 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.90.3 > Reporter: gaojinchao > Assignee: gaojinchao > Attachments: Hmastersetup0.90 > > > NullPointerException while hmaster starting. > {code} > 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) > {code} -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira