在試圖使用 sqoop從mysql導數據到hbase的過程中，發生下面報錯:

2020-06-30 11:53:38,636 ERROR [main] tool.ImportTool (ImportTool.java:run(634)) - Import failed: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions: Tue Jun 30 11:53:38 CST 2020, null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=68709: row 'hbase_book,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=desktop,16020,1592384580052, seqNum=0at 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 org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:406)at org.apache.sqoop.mapreduce.HBaseImportJob.jobSetup(HBaseImportJob.java:217)at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:268)at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java:692)at org.apache.sqoop.manager.MySQLManager.importTable(MySQLManager.java:127)at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:520)at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:628)at org.apache.sqoop.Sqoop.run(Sqoop.java:147)at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243)at org.apache.sqoop.Sqoop.main(Sqoop.java:252) Caused by: java.net.SocketTimeoutException: callTimeout=60000, callDuration=68709: row 'hbase_book,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=desktop,16020,1592384580052, seqNum=0at 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:748) Caused by: org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException: hbase:meta,,1 is not online on desktop,16020,1593489093468at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3369)at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3346)at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1439)at org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:3036)at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3369)at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42278)at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133)at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338)at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at java.lang.reflect.Constructor.newInstance(Constructor.java:423)at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:121)at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:110)at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:328)at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:402)at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:203)at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:64)at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:360)at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:334)at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:126)... 4 more Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.NotServingRegionException): org.apache.hadoop.hbase.NotServingRegionException: hbase:meta,,1 is not online on desktop,16020,1593489093468at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3369)at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3346)at org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1439)at org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:3036)at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3369)at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42278)at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133)at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338)at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)at org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1268)at org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:226)at org.apache.hadoop.hbase.ipc.AbstractRpcClient$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

此時可以發現hbase的webUI

Desktop:16020是打不開的，所以hbase/mysql/sqoop中，鐵定是hbase這邊的問題。

總結

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