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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3418) RocksDB HDFSCopyFromLocal util doesn't respect our Hadoop security configuration
Date Tue, 16 Feb 2016 16:42:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15148878#comment-15148878
] 

Robert Metzger commented on FLINK-3418:
---------------------------------------

Currently, even making the directory accessible for the user running the NM ("yarn") doesn't
solve the problem because {{initializeForJob()}} creates a directory with the user who submitted
the job "robert".

> RocksDB HDFSCopyFromLocal util doesn't respect our Hadoop security configuration
> --------------------------------------------------------------------------------
>
>                 Key: FLINK-3418
>                 URL: https://issues.apache.org/jira/browse/FLINK-3418
>             Project: Flink
>          Issue Type: Bug
>          Components: state backends
>            Reporter: Robert Metzger
>            Priority: Critical
>
> As you can see for example in the {{YARNTaskManagerRunner}}, our TaskManagers are running
in a special UserGroupInformation.doAs(); call. 
> With that call, we are manually changing the user from the user starting the YARN NodeManager
(our containers are part of that process tree) to the user who submitted the job.
> For example on my cluster, the NodeManager runs as "yarn", but "robert" submits the job.
For regular file access, "robert" is accessing the files in HDFS, even though "yarn" runs
the process.
> The {{HDFSCopyFromLocal}} does not properly initialize these settings, hence "yarn" tries
to access the files, leading to the following exception:
> {code}
> Caused by: java.lang.RuntimeException: Error while copying to remote FileSystem: SLF4J:
Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in [jar:file:/yarn/nm/usercache/robert/appcache/application_1455632128025_0010/filecache/17/slf4j-log4j12-1.7.7.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-5.4.5-1.cdh5.4.5.p0.7/jars/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
> Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission
denied: user=yarn, access=WRITE, inode="/user/robert/rocksdb/5b7ad8b04048e894ef7bf341856681bf":robert:supergroup:drwxr-xr-x
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:257)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:238)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:216)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkPermission(DefaultAuthorizationProvider.java:145)
> 	at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:138)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6599)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6581)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:6533)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:4337)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4307)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4280)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:853)
> 	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.mkdirs(AuthorizationProviderProxyClientProtocol.java:321)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:601)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1060)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2040)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2038)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
> 	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
> 	at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2755)
> 	at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2724)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:870)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:866)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:866)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:859)
> 	at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1817)
> 	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:351)
> 	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338)
> 	at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1905)
> 	at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1873)
> 	at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1838)
> 	at org.apache.flink.contrib.streaming.state.HDFSCopyFromLocal.main(HDFSCopyFromLocal.java:47)
> Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException):
Permission denied: user=yarn, access=WRITE, inode="/user/robert/rocksdb/5b7ad8b04048e894ef7bf341856681bf":robert:supergroup:drwxr-xr-x
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:257)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:238)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:216)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkPermission(DefaultAuthorizationProvider.java:145)
> 	at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:138)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6599)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6581)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:6533)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:4337)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4307)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4280)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:853)
> 	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.mkdirs(AuthorizationProviderProxyClientProtocol.java:321)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:601)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1060)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2040)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2038)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1468)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> 	at com.sun.proxy.$Proxy9.mkdirs(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:539)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy10.mkdirs(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2753)
> 	... 13 more
> 	at org.apache.flink.contrib.streaming.state.HDFSCopyFromLocal.copyFromLocal(HDFSCopyFromLocal.java:54)
> 	at org.apache.flink.contrib.streaming.state.AbstractRocksDBState$AsyncRocksDBSnapshot.materialize(AbstractRocksDBState.java:454)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask$1.run(StreamTask.java:531)
> {code}
> I think we need to fix this before the 1.0.0 release.



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