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HBase >> mail # user >> HMaster can not start up


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HMaster can not start up
hi all,

The Master is good ago, but now it can not stat up,  I don't change any configuration ,,did everyone know why ?  I have no idea, thanks
Exception Info:

2013-07-26 23:36:25,635 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Deleting existing unassigned node for 283880d6c75f0101f4a3122d365ad873 that is in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,668 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region 283880d6c75f0101f4a3122d365ad873 in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,670 INFO org.apache.hadoop.hbase.master.AssignmentManager: Processing region prhistory,13249433860201202,1374164926718.e0c604f46c55220e6e937981c15a0877. in state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,670 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for prhistory,13249433860201202,1374164926718.e0c604f46c55220e6e937981c15a0877. from hadoop26.lf.xxxxx.com,60020,1374852773784; deleting unassigned node
2013-07-26 23:36:25,670 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Deleting existing unassigned node for e0c604f46c55220e6e937981c15a0877 that is in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,672 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region e0c604f46c55220e6e937981c15a0877 in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,675 INFO org.apache.hadoop.hbase.master.AssignmentManager: Processing region token2loction,6a80fe91b3a5db675f5bafdc690dd2442432eaf282cb5df22815d299402fadca103b4d6d4a8cb7a6cd70f822f26ffff9,1371734160327.1d81ec4ea80909b4950cac32ef4973a8. in state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,675 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for token2loction,6a80fe91b3a5db675f5bafdc690dd2442432eaf282cb5df22815d299402fadca103b4d6d4a8cb7a6cd70f822f26ffff9,1371734160327.1d81ec4ea80909b4950cac32ef4973a8. from hadoop31.lf.xxxxx.com,60020,1374852774714; deleting unassigned node
2013-07-26 23:36:25,675 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Deleting existing unassigned node for 1d81ec4ea80909b4950cac32ef4973a8 that is in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,685 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region 1d81ec4ea80909b4950cac32ef4973a8 in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,687 INFO org.apache.hadoop.hbase.master.AssignmentManager: Processing region cell2location,0,1374491699448.df863e7f8f76df4c85521a357e18ba9e. in state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,687 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for cell2location,0,1374491699448.df863e7f8f76df4c85521a357e18ba9e. from hadoop28.lf.xxxxx.com,60020,1374852774748; deleting unassigned node
2013-07-26 23:36:25,687 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Deleting existing unassigned node for df863e7f8f76df4c85521a357e18ba9e that is in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,690 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region df863e7f8f76df4c85521a357e18ba9e in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,692 INFO org.apache.hadoop.hbase.master.AssignmentManager: Processing region tokeninfo,y,1369829994143.04e2530ea9068253401c027c1c6648ed. in state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,692 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for tokeninfo,y,1369829994143.04e2530ea9068253401c027c1c6648ed. from hadoop30.lf.xxxxx.com,60020,1374852774908; deleting unassigned node
2013-07-26 23:36:25,692 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign2013-07-26 23:36:25,695 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region 04e2530ea9068253401c027c1c6648ed in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,697 INFO org.apache.hadoop.hbase.master.AssignmentManager: Processing region rechisinfo,353440052678183,1373862494375.228ec45a5975027084972ee004bbe6f2. in state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,697 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for rechisinfo,353440052678183,1373862494375.228ec45a5975027084972ee004bbe6f2. from hadoop29.lf.xxxxx.com,60020,1374852774766; deleting unassigned node
2013-07-26 23:36:25,697 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Deleting existing unassigned node for 228ec45a5975027084972ee004bbe6f2 that is in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,698 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: The znode of region userlocinfo,866278012454380,1372742515164.9404f4c15c85ab6e4dc1e5cb90dc8b95. has been deleted.
2013-07-26 23:36:25,700 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x140159039a80e33 Successfully deleted unassigned node for region 228ec45a5975027084972ee004bbe6f2 in expected state RS_ZK_REGION_OPENED
2013-07-26 23:36:25,700 WARN org.apache.hadoop.hbase.master.AssignmentManager: Overwriting 9404f4c15c85ab6e4dc1e5cb90dc8b95 on hadoop25.lf.xxxxx.com,60020,1374852773733 with hadoop25.lf.xxxxx.com,60020,1374852773733
2013-07-26 23:36:25,700 INFO org.apache.hadoop.hbase.master.AssignmentManager: The master has opened the region userlocinfo,866278012454380,1372742515164.9404f4c15c85ab6e4dc1e5cb90dc8b95. that was online on hadoop25.lf.xxxxx.com,60020,1374852773733
2013-07-26 23:36:25,700 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: The znode of region prhistory,13983055378201207,1374152011649.756b97ff43f09a4206d448ce4c6e2f66. has been deleted.
2013-07-26 2