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Hadoop HDFS상의 /tmp폴더에 Permission denied오류가 발생시 조치사항

총관리자 2017.01.25 15:00 조회 수 : 360

hadoop map/reduce job실행시 아래와 같은 오류가 발생하면 hadoop 데몬을 실행시킨 계정(예, root)로 로그인하여 hadoop fs -chmod -R 755 /tmp/명령을 실행시켜준다.(/tmp/밑으로는 누구든 접근할 수 있도록 권한을 변경시켜준다)


*참고 : core-site.xml파일에

 <property>
     <name>hadoop.proxyuser.gooper.hosts</name>
     <value>*</value>
  </property>
  <property>
     <name>hadoop.proxyuser.gooper.groups</name>
     <value>*</value>
  </property>

가 먼저 설정되어 있어야 한다.


-----------------------------오류내용(gooper이라는 계정으로 mapreduce잡을 실행할때 권한문제 때문에 발생하는 오류임) ----------------

Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=gooper, access=EXECUTE, inode="/tmp/hadoop-yarn/staging/gooper/.staging/job_1480924641589_0001":hadoop:supergroup:drwx------
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:259)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:205)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1720)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1704)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkOwner(FSDirectory.java:1673)
        at org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.setPermission(FSDirAttrOp.java:61)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setPermission(FSNamesystem.java:1653)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setPermission(NameNodeRpcServer.java:695)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setPermission(ClientNamenodeProtocolServerSideTranslatorPB.java:453)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)

        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:422)
        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.setPermission(DFSClient.java:2445)
        at org.apache.hadoop.hdfs.DistributedFileSystem$28.doCall(DistributedFileSystem.java:1473)
        at org.apache.hadoop.hdfs.DistributedFileSystem$28.doCall(DistributedFileSystem.java:1469)
        at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
        at org.apache.hadoop.hdfs.DistributedFileSystem.setPermission(DistributedFileSystem.java:1469)
        at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:600)
        at org.apache.hadoop.mapreduce.JobResourceUploader.uploadFiles(JobResourceUploader.java:94)
        at org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(JobSubmitter.java:95)
        at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:190)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287)
        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:1657)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287)
        at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1308)
        at com.msd.gin.halyard.tools.HalyardBulkLoad.run(HalyardBulkLoad.java:185)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at com.msd.gin.halyard.tools.HalyardBulkLoad.main(HalyardBulkLoad.java:405)
        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:497)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)

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