Win系統下用Eclipse中運行遠程hadoop MapReduce程序出現報錯

WARNING: job_local1833185613_0001
org.apache.hadoop.security.AccessControlException: org.apache.hadoop.security.AccessControlException: Permission denied: user=Administrator, access=WRITE, inode="jifeng":jifeng:supergroup:rwxr-xr-x
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

八月 23, 2014 9:12:31 下午 org.apache.hadoop.util.NativeCodeLoader <clinit> WARNING: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 八月 23, 2014 9:12:31 下午 org.apache.hadoop.mapred.JobClient copyAndConfigureFiles WARNING: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same. 八月 23, 2014 9:12:31 下午 org.apache.hadoop.mapred.JobClient copyAndConfigureFiles WARNING: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String). 八月 23, 2014 9:12:31 下午 org.apache.hadoop.mapreduce.lib.input.FileInputFormat listStatus INFO: Total input paths to process : 1 八月 23, 2014 9:12:31 下午 org.apache.hadoop.io.compress.snappy.LoadSnappy <clinit> WARNING: Snappy native library not loaded 八月 23, 2014 9:12:32 下午 org.apache.hadoop.mapred.JobClient monitorAndPrintJob INFO: Running job: job_local1833185613_0001 八月 23, 2014 9:12:32 下午 org.apache.hadoop.mapred.LocalJobRunner$Job run WARNING: job_local1833185613_0001 org.apache.hadoop.security.AccessControlException: org.apache.hadoop.security.AccessControlException: Permission denied: user=Administrator, access=WRITE, inode="jifeng":jifeng:supergroup:rwxr-xr-xat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at java.lang.reflect.Constructor.newInstance(Constructor.java:525)at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57)at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:1459)at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:362)at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1161)at org.apache.hadoop.mapred.FileOutputCommitter.setupJob(FileOutputCommitter.java:52)at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:319) Caused by: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.security.AccessControlException: Permission denied: user=Administrator, access=WRITE, inode="jifeng":jifeng:supergroup:rwxr-xr-xat org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:217)at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:197)at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:141)at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:5758)at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:5731)at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:2502)at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:2469)at org.apache.hadoop.hdfs.server.namenode.NameNode.mkdirs(NameNode.java:911)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.ipc.RPC$Server.call(RPC.java:587)at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432)at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428)at java.security.AccessController.doPrivileged(Native Method)at javax.security.auth.Subject.doAs(Subject.java:415)at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426)at org.apache.hadoop.ipc.Client.call(Client.java:1113)at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)at com.sun.proxy.$Proxy1.mkdirs(Unknown Source)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:601)at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85)at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62)at com.sun.proxy.$Proxy1.mkdirs(Unknown Source)at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:1457)... 4 more因為Eclipse使用hadoop插件提交作業時，會默認用windows系統的用戶去將作業寫入hdfs文件系統中，對應的也就是 HDFS 上的/user/ Administrator , 我的為/user/jifeng , ? 由于 此 用戶對hadoop目錄并沒有寫入權限，所以導致異常的發生。解決方法為：放開 hadoop 目錄的權限 ， 命令如下 ：$ hadoop fs -chmod 777 /user/jifeng. ?

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