master.MasterFileSystem: Log folder hdfs://node3:9000/hbase/WALs/node2,16020,1440643530005 belongs to an existing region server

Question

 master.MasterFileSystem: Log folder hdfs://node3:9000/hbase/WALs/node2,16020,1440643530005 belongs to an existing region server

2015-08-27 10:45:34,637 INFO  [node3:16020.activeMasterManager] zookeeper.MetaTableLocator: Failed verification of hbase:meta,,1 at address=node2,16020,1440643173170, exception=org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1 is not online on node2,16020,1440643530005

at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2711)

at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:851)

at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegionInfo(RSRpcServices.java:1129)

at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:20862)

at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2028)

at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108)

at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:112)

at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:92)

at java.lang.Thread.run(Thread.java:745)

Answer 1

是不是重新格式化发生的错误？假如是，那么就是格式化之前保留了之前的文件信息，导致发生匹配错误。