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org.apache.hadoop.hbase.PleaseHoldException: Master is initializing	at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:2240)	at org.apache.hadoop.hbase.master.HMaster.checkNamespaceManagerReady(HMaster.java:2245)	at org.apache.hadoop.hbase.master.HMaster.ensureNamespaceExists(HMaster.java:2438)	at org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:1460)	at org.apache.hadoop.hbase.master.MasterRpcServices.createTable(MasterRpcServices.java:429)	at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:52195)	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)