[ https://issues.apache.org/jira/browse/YARN-10901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Szilard Nemeth resolved YARN-10901. ----------------------------------- Hadoop Flags: Reviewed Resolution: Fixed > Permission checking error on an existing directory in > LogAggregationFileController#verifyAndCreateRemoteLogDir > -------------------------------------------------------------------------------------------------------------- > > Key: YARN-10901 > URL: https://issues.apache.org/jira/browse/YARN-10901 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 3.2.2, 3.3.1 > Reporter: Tamas Domok > Assignee: Tamas Domok > Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Time Spent: 1h 20m > Remaining Estimate: 0h > > *LogAggregationFileController.verifyAndCreateRemoteLogDir* tries to check > whether the remote file system has set/modify permissions on the > _yarn.nodemanager.remote-app-log-dir:_ > > {code:java} > //Check if FS has capability to set/modify permissions > try { > remoteFS.setPermission(qualified, new > FsPermission(TLDIR_PERMISSIONS)); > } catch (UnsupportedOperationException use) { > LOG.info("Unable to set permissions for configured filesystem since" > + " it does not support this", remoteFS.getScheme()); > fsSupportsChmod = false; > } catch (IOException e) { > LOG.warn("Failed to check if FileSystem suppports permissions on " > + "remoteLogDir [" + remoteRootLogDir + "]", e); > } {code} > But it will fail if the _yarn.nodemanager.remote-app-log-dir_'s owner is not > the same as the NodeManager's user. > > Example error > {code:java} > 2021-08-27 11:33:21,649 WARN > org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController: > Failed to check if FileSystem suppports permissions on remoteLogDir > [/tmp/logs]2021-08-27 11:33:21,649 WARN > org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController: > Failed to check if FileSystem suppports permissions on remoteLogDir > [/tmp/logs]org.apache.hadoop.security.AccessControlException: Permission > denied. user=yarn is not the owner of inode=/tmp/logs at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkOwner(FSPermissionChecker.java:464) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:407) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermissionWithContext(FSPermissionChecker.java:417) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:297) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1950) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1931) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkOwner(FSDirectory.java:1876) > at > org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.setPermission(FSDirAttrOp.java:64) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setPermission(FSNamesystem.java:1976) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setPermission(NameNodeRpcServer.java:858) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setPermission(ClientNamenodeProtocolServerSideTranslatorPB.java:548) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:533) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:989) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:917) 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:1898) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2894) > 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.setPermission(DFSClient.java:1921) at > org.apache.hadoop.hdfs.DistributedFileSystem$35.doCall(DistributedFileSystem.java:1907) > at > org.apache.hadoop.hdfs.DistributedFileSystem$35.doCall(DistributedFileSystem.java:1904) > at > org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) > at > org.apache.hadoop.hdfs.DistributedFileSystem.setPermission(DistributedFileSystem.java:1917) > at > org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController.verifyAndCreateRemoteLogDir(LogAggregationFileController.java:387) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.initAppAggregator(LogAggregationService.java:257) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.initApp(LogAggregationService.java:223) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.handle(LogAggregationService.java:366) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.handle(LogAggregationService.java:69) > at > org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:219) > at > org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:133) > at java.lang.Thread.run(Thread.java:748)Caused by: > org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): > Permission denied. user=yarn is not the owner of inode=/tmp/logs at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkOwner(FSPermissionChecker.java:464) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:407) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermissionWithContext(FSPermissionChecker.java:417) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:297) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1950) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1931) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkOwner(FSDirectory.java:1876) > at > org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.setPermission(FSDirAttrOp.java:64) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setPermission(FSNamesystem.java:1976) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setPermission(NameNodeRpcServer.java:858) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setPermission(ClientNamenodeProtocolServerSideTranslatorPB.java:548) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:533) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:989) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:917) 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:1898) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2894) > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1562) at > org.apache.hadoop.ipc.Client.call(Client.java:1508) at > org.apache.hadoop.ipc.Client.call(Client.java:1405) at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:233) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118) > at com.sun.proxy.$Proxy73.setPermission(Unknown Source) at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.setPermission(ClientNamenodeProtocolTranslatorPB.java:443) > 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:431) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:166) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:158) > at > org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:96) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:362) > at com.sun.proxy.$Proxy74.setPermission(Unknown Source) at > org.apache.hadoop.hdfs.DFSClient.setPermission(DFSClient.java:1919) ... 12 > more {code} > > Checking the set/modify permission could be done with a temporarily created > file in the _yarn.nodemanager.remote-app-log-dir_. If the NM's user have > permission to write in the directory (e.g.: because it is in the proper > group) then creating the file with the NM's user would be usable for > permission checking. > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-dev-h...@hadoop.apache.org