使用hbase shell一切正常。写了段mr程序放在客户机上跑的时候出现问题：
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.NotServingRegionException): org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1 is not online on cslave4.,16020,1479361377980
at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2928)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:974)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2259)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32295)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2127)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:107)
at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
at java.lang.Thread.run(Thread.java:745)
at org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1225)
at org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:213)
at org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:287)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:32741)
at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:373)
... 10 more
我在网上搜了下解决方法，说是把zookeeper下hbase目录删掉，然后重启hbase可以解决。
执行zkCli.sh看了下，与hbase有关的有两个目录：hbase和hbase-unsecure。
把hbase目录删掉后，重启hbase，发现zookeeper下hbase目录不创建了。。。。
但是hbase shell可以执行.
难道hbase相关东西写到hbase-unsecure下了？？？
有没有大神遇到过啊。。
整个集群式Ambari搭建的。
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