logs顯示日誌信息如下：
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions:
Mon Nov 14 16:33:02 CST 2016, null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=68524: row 't2,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=mini02,16020,1474341470373, seqNum=0
at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.throwEnrichedException(RpcRetryingCallerWithReadReplicas.java:276)
at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:207)
at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:60)
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
at org.apache.hadoop.hbase.client.ClientScanner.call(ClientScanner.java:320)
at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:295)
at org.apache.hadoop.hbase.client.ClientScanner.initializeScannerInConstruction(ClientScanner.java:160)
at org.apache.hadoop.hbase.client.ClientScanner.<init>(ClientScanner.java:155)
at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:802)
at org.apache.hadoop.hbase.MetaTableAccessor.fullScan(MetaTableAccessor.java:602)
at org.apache.hadoop.hbase.MetaTableAccessor.tableExists(MetaTableAccessor.java:366)
at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:396)
at com.hadoop.hbase.util.HbaseImport.createTable(HbaseImport.java:51)
at com.hadoop.hbase.util.HbaseImport.main(HbaseImport.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.net.SocketTimeoutException: callTimeout=60000, callDuration=68524: row 't2,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=mini02,16020,1474341470373, seqNum=0
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:159)
at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:65)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
at org.apache.hadoop.hbase.regionserver.RSRpcServices.checkOpen(RSRpcServices.java:886)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:1956)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:30438)
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$1.run(RpcExecutor.java:92)
at java.lang.Thread.run(Thread.java:745)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)
at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:328)
at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:402)
at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:203)
at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:64)
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:360)
at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:334)
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:126)
... 4 more
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.ipc.ServerNotRunningYetException): org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
at org.apache.hadoop.hbase.regionserver.RSRpcServices.checkOpen(RSRpcServices.java:886)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:1956)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:30438)
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$1.run(RpcExecutor.java:92)
at java.lang.Thread.run(Thread.java:745)
at org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1268)
at org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:226)
at org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:331)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:34094)
at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:394)
... 10 more
解決方法：
原因是 hadoop的hdfs集羣在安全模式的原因
執行命令
hadoop dfsadmin -safemode leave
再重新啓動habase就可以了