HBase表消失

Question

在psuedo distribute安装( hbase，yarn，hdfs )中，所有HBase的表都消失了，我如何修复它们？

在hbase shell中："list“返回0行(S)

在那些不确定名称的事务中创建一个表：

Api Error: org.apache.hadoop.hbase.TableExistsException: transactions
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:423)
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.util.ForeignExceptionUtil.toIOException(ForeignExceptionUtil.java:45)
at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.convertResult(HBaseAdmin.java:4352)
at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.waitProcedureResult(HBaseAdmin.java:4310)
at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.get(HBaseAdmin.java:4244)
at org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:649)
at org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:579)
at org.apache.hadoop.hbase.thrift.ThriftServerRunner$HBaseHandler.createTable(ThriftServerRunner.java:1192)
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:498)
at org.apache.hadoop.hbase.thrift.HbaseHandlerMetricsProxy.invoke(HbaseHandlerMetricsProxy.java:67)
at com.sun.proxy.$Proxy10.createTable(Unknown Source)
at org.apache.hadoop.hbase.thrift.generated.Hbase$Processor$createTable.getResult(Hbase.java:4018)
at org.apache.hadoop.hbase.thrift.generated.Hbase$Processor$createTable.getResult(Hbase.java:4002)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
at org.apache.hadoop.hbase.thrift.TBoundedThreadPoolServer$ClientConnnection.run(TBoundedThreadPoolServer.java:289)
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)

原因如下：

org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hbase.TableExistsException): transactions
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.prepareCreate(CreateTableProcedure.java:300)
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:107)
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:58)
at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:107)
at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:427)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:999)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:803)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:756)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$200(ProcedureExecutor.java:75)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$1.run(ProcedureExecutor.java:441)

Answer 1

看上去像动物园管理员的问题。表不存在于hbase中，但实际上动物园管理员保存了所有的表信息，即关于表的元数据。

因此，您已经运行了zookeeper，并通过使用以下命令从动物园管理员中删除了/hbase目录。

rmr /hbase

并重新启动hbase，它将解决问题。