PC – Adamhuan's Data Center – 【逻辑驱动数据】

时间线：Oracle

1970年6月：IBM 公司的研究员埃德加·考特（Edgar Frank Codd）在 Communications of ACM 上发表了那篇著名的《大型共享数据库数据的关系模型》（A Relational Model of Data for Large Shared Data Banks）的[……]

Posted on: 2021年8月6日 2021年8月6日
Author: Adamhuan
Categories: Oracle
Tags: -, ，, :, ", /, 1.3, 10, 10g, 11, 11g, 12, 16, 18, 2, 200, 2008, 2012, 2014, 2015, 2017, 2018, 2018年, 2021年8月6日, 21, 26, 3, 30, 3D, 4, 4.0, 5, 50, 6, 6.5, 7, 8, 80, 9, 96, 9i, ant, Apple, b, BE, cat, CD, CDB, CE, Cloud, Cluster, CM, Data, Data Guard, db, dd, df, extension, File, for, form, format, gem, history, http, IBM, if, Internet, iso, KB, Lab, Language, Life, Linux, man, Management, ML, MS, net, nic, OP, OpenWorld, Oracle, PC, PDB, PL/SQL, put, RAC, racle, rap, RDBMS, rm, s, sed, Server, Shared, Software, SQL, Tag, Tiger, timeline, tr, ui, VM, war, wiki, Windows, 不说, 中国, 中文, 主, 书, 事务, 云, 云计算, 互联网, 从, 代号, 代码, 优化, 传输, 位置, 使用, 信, 信息, 充分, 光, 全球, 共享, 内存, 冲突, 分析, 创建, 别, 力, 力量, 功能, 加载, 包含, 协议, 卡, 历史, 压缩, 参与, 发布, 可插拔, 可用, 命名, 商业, 图, 地区, 域, 境, 增, 增加, 增强, 处理, 备份, 大量, 失败, 女, 字典, 存储, 存储过程, 安全, 实例, 实验, 容器, 密码, 对象, 工具, 平台, 库, 应用, 建议, 开发, 引用, 得到, 微软, 心, 性能, 情, 成功, 执行, 扩展, 排名, 操作系统, 改, 改变, 数据, 数据库, 数据类型, 文件, 新, 新功能, 新增, 新特性, 方向, 早, 时间, 时间线, 明智, 智慧, 更新, 服务, 服务器, 未来, 本地, 极, 架构, 查, 查询, 标准, 比较, 测试, 浏览器, 源, 潜在的, 版本, 特性, 猫, 环境, 生活, 用户, 甲骨文, 电脑, 相关, 神, 程序, 空, 空间, 策略, 签, 管理, 系统, 组, 终, 统计, 编程, 编译, 缺少, 网络, 美, 美国, 群, 翻译, 自动, 自动化, 自己, 落, 表, 规则, 解救, 计划, 计算, 记录, 访问, 语, 语句, 语言, 说, 资源, 趋势, 软件, 过高, 连接, 选择, 道, 部署, 配置, 锁, 锁定, 错, 阅读, 阻止, 降低, 限制, 集群, 面对, 项目, 高可用
Leave a comment: 时间线：Oracle

HDFS：执行【rm】遇到错误【rm: Failed to move to trash】

在HDFS执行rm的时候，你可能会遇到如题所示的错误；
具体如下：

[root@cloudera1 ~]# hdfs dfs -rm /tmp/data/hosts 
20/04/25 10:13:30 WARN fs.TrashPolicyDefault: Can't create trash directory: hdfs://cloudera2.adamhuan.com:8020/user/root/.Trash/Current/tmp/data
org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:400)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:256)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:194)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1855)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1839)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1798)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:61)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3101)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1123)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:696)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)

        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:88)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2341)
        at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2315)
        at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1248)
        at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1245)
        at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
        at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1262)
        at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1237)
        at org.apache.hadoop.fs.TrashPolicyDefault.moveToTrash(TrashPolicyDefault.java:147)
        at org.apache.hadoop.fs.Trash.moveToTrash(Trash.java:110)
        at org.apache.hadoop.fs.Trash.moveToAppropriateTrash(Trash.java:96)
        at org.apache.hadoop.fs.shell.Delete$Rm.moveToTrash(Delete.java:153)
        at org.apache.hadoop.fs.shell.Delete$Rm.processPath(Delete.java:118)
        at org.apache.hadoop.fs.shell.Command.processPathInternal(Command.java:367)
        at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:331)
        at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:304)
        at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:286)
        at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:270)
        at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:119)
        at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
        at org.apache.hadoop.fs.FsShell.run(FsShell.java:326)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
        at org.apache.hadoop.fs.FsShell.main(FsShell.java:389)
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:400)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:256)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:194)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1855)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1839)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1798)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:61)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3101)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1123)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:696)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)

        at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1499)
        at org.apache.hadoop.ipc.Client.call(Client.java:1445)
        at org.apache.hadoop.ipc.Client.call(Client.java:1355)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
        at com.sun.proxy.$Proxy9.mkdirs(Unknown Source)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:640)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
        at com.sun.proxy.$Proxy10.mkdirs(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2339)
        ... 22 more
rm: Failed to move to trash: hdfs://cloudera2.adamhuan.com:8020/tmp/data/hosts: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
[root@cloudera1 ~]#

[root@cloudera1 ~]# hdfs dfs -rm /tmp/data/hosts

20/04/25 10:13:30 WARN fs.TrashPolicyDefault: Can't create trash directory: hdfs://cloudera2.adamhuan.com:8020/user/root/.Trash/Current/tmp/data

org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x

at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:400)

at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:256)

at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:194)

at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1855)

at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1839)

at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1798)

at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:61)

at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3101)

at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1123)

at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:696)

at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)

at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)

at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)

at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)

at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)

at java.security.AccessController.doPrivileged(Native Method)

at javax.security.auth.Subject.doAs(Subject.java:422)

at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875)

at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)

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:88)

at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2341)

at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2315)

at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1248)

at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1245)

at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)

at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1262)

at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1237)

at org.apache.hadoop.fs.TrashPolicyDefault.moveToTrash(TrashPolicyDefault.java:147)

at org.apache.hadoop.fs.Trash.moveToTrash(Trash.java:110)

at org.apache.hadoop.fs.Trash.moveToAppropriateTrash(Trash.java:96)

at org.apache.hadoop.fs.shell.Delete$Rm.moveToTrash(Delete.java:153)

at org.apache.hadoop.fs.shell.Delete$Rm.processPath(Delete.java:118)

at org.apache.hadoop.fs.shell.Command.processPathInternal(Command.java:367)

at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:331)

at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:304)

at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:286)

at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:270)

at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:119)

at org.apache.hadoop.fs.shell.Command.run(Command.java:177)

at org.apache.hadoop.fs.FsShell.run(FsShell.java:326)

at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)

at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)

at org.apache.hadoop.fs.FsShell.main(FsShell.java:389)

Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x