我正在尝试使用 distcp 命令将数据从一个 hdfs 集群复制到另一个集群。以下是我提交的命令
hadoop distcp hdfs://sourcenamenodehostname:50070/var/lib/hadoop-hdfs/distcptest.txt hdfs://destinationnamenodehostname:50070/var/lib/hadoop-hdfs
提交时我收到错误消息。请仔细阅读错误消息并指导我正确的方法。
19/02/27 04:28:19 INFO tools.OptionsParser: parseChunkSize: blocksperchunk false 19/02/27 04:28:20 ERROR tools.DistCp: Invalid arguments: org.apache.hadoop.ipc.RemoteException(org.apache .hadoop.ipc.StandbyException)：状态待机不支持操作类别 READ。访问https://s.apache.org/sbnn-error 在 org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:88) 在 org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1835)在 org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1515) 在 org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:4448) 在 org.apache .hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:912) 在 org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getFileInfo(AuthorizationProviderProxyClientProtocol.java:533) 在 org.apache.hadoop.hdfs .protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:862) 在 org.apache。hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc .RPC$Server.call(RPC.java:1073) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) at org.apache.hadoop.ipc.Server$Handler$1.run (Server.java:2277) 在 java.security.AccessController.doPrivileged(Native Method) 在 javax.security.auth.Subject.doAs(Subject.java:422) 在 org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation .java:1924) 在 org.apache.hadoop.ipc.Server$Handler.run(Server.java:2275)callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security.AccessController .doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop.ipc .Server$Handler.run(Server.java:2275)callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security.AccessController .doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop.ipc .Server$Handler.run(Server.java:2275)1073) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security .AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop .ipc.Server$Handler.run(Server.java:2275)1073) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security .AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop .ipc.Server$Handler.run(Server.java:2275)服务器$Handler.run(Server.java:2275)服务器$Handler.run(Server.java:2275)
at org.apache.hadoop.ipc.Client.call(Client.java:1504)
at org.apache.hadoop.ipc.Client.call(Client.java:1441)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:788)
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.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:258)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2168)
at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1266)
at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1262)
at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1262)
at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1418)
at org.apache.hadoop.tools.DistCp.setTargetPathExists(DistCp.java:208)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:133)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.tools.DistCp.main(DistCp.java:493)
无效参数：状态待机不支持操作类别 READ。访问https://s.apache.org/sbnn-error 在 org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:88) 在 org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1835)在 org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1515) 在 org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:4448) 在 org.apache .hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:912) 在 org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getFileInfo(AuthorizationProviderProxyClientProtocol.java:533) 在 org.apache.hadoop.hdfs .protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:862) 在 org.apache。hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc .RPC$Server.call(RPC.java:1073) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) at org.apache.hadoop.ipc.Server$Handler$1.run (Server.java:2277) 在 java.security.AccessController.doPrivileged(Native Method) 在 javax.security.auth.Subject.doAs(Subject.java:422) 在 org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation .java:1924) 在 org.apache.hadoop.ipc.Server$Handler.run(Server.java:2275)callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security.AccessController .doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop.ipc .Server$Handler.run(Server.java:2275)callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security.AccessController .doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop.ipc .Server$Handler.run(Server.java:2275)1073) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security .AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop .ipc.Server$Handler.run(Server.java:2275)1073) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281) 在 org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277) 在 java.security .AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924) at org.apache.hadoop .ipc.Server$Handler.run(Server.java:2275)服务器$Handler.run(Server.java:2275)服务器$Handler.run(Server.java:2275)