转载自：https://blog.csdn.net/jjshouji/article/details/78443100
2019-07-01 16:27:05,924 INFO [hconnection-0x1f7533d1-shared-pool4-t1] client.RpcRetryingCallerImpl: ache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3245)
at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3222)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1414)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:2947)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3272)
at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42002)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
解决:删除zookeeper集群中的数据目录中的version-2目录。重启hbase 即可。原因是多次执行格式化namenode 导致zookeeper存在历史遗留文件
从zoo.cfg文件中查找位置：dataDir=/tmp/zookeeper
删除该目录下的version-2文件
