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L'utente "hadoop" è runnnig jobtracker e tasktracker su cluster, ma cosa accadrebbe se altri utenti Linux volessero inviare i propri lavori?Come inviare job hadoop come altri utenti di Linux
ho seguito questa documentazione, http://hadoop.apache.org/docs/r1.0.4/service_level_auth.html#Hadoop+Services+and+Configuration+Properties add segue nel "core-site.xml":
<property>
<name>hadoop.security.authorization</name>
<value>true</value>
</property>
e per il file conf "Hadoop-policy.xml", aggiungo "hadoopGroup" a " security.job.submission.protocol.acl ", il mio account" qingya.shu "appartiene a questo gruppo. ma quando ho eseguito Hadoop come qingya.shu, errore riscontrato come:
12/11/09 12:57:29 INFO util.NativeCodeLoader: Loaded the native-hadoop library
12/11/09 12:57:29 INFO input.FileInputFormat: Total input paths to process : 1
12/11/09 12:57:29 WARN snappy.LoadSnappy: Snappy native library not loaded
12/11/09 12:57:29 INFO mapred.JobClient: Cleaning up the staging area file:/lustre/hadoop/user/qingya.shu/.staging/job_201211082024_0008
12/11/09 12:57:29 ERROR security.UserGroupInformation: PriviledgedActionException as:qingya.shu cause:org.apache.hadoop.ipc.RemoteException: java.io.IOException: java.io.FileNotFoundException: File file:/lustre/hadoop/user/qingya.shu/.staging/job_201211082024_0008/job.xml does not exist.
at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3943)
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.ipc.RPC$Server.call(RPC.java:563)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382)
Caused by: java.io.FileNotFoundException: File file:/lustre/hadoop/user/qingya.shu/.staging/job_201211082024_0008/job.xml does not exist.
at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:397)
at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:251)
at org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:406)
at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3941)
... 11 more
org.apache.hadoop.ipc.RemoteException: java.io.IOException: java.io.FileNotFoundException: File file:/lustre/hadoop/user/qingya.shu/.staging/job_201211082024_0008/job.xml does not exist.
at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3943)
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.ipc.RPC$Server.call(RPC.java:563)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382)
Caused by: java.io.FileNotFoundException: File file:/lustre/hadoop/user/qingya.shu/.staging/job_201211082024_0008/job.xml does not exist.
at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:397)
at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:251)
at org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:406)
at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3941)
... 11 more
at org.apache.hadoop.ipc.Client.call(Client.java:1070)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225)
at org.apache.hadoop.mapred.$Proxy1.submitJob(Unknown Source)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:921)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:500)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530)
at org.apache.hadoop.examples.WordCount.main(WordCount.java:67)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
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.util.RunJar.main(RunJar.java:156)
avviso che lustro è utilizzato come file system distribuito, invece di HDFS.
qualcuno può aiutarmi?