如何使用Hadoop/Kerberos设置设置用户/组权限？
我正在尝试用Kerberos设置Hadoop 我遵循CDH3安全指南 到目前为止一切都很顺利（HFDS工作正常等），但当我尝试提交作业时，我遇到了以下错误 我以HDFS用户的身份运行HDFS服务器，以mapred用户的身份运行Hadoop。我使用mapred组中名为bob的用户提交作业 以下是我对taskcontroller.cfg的值如何使用Hadoop/Kerberos设置设置用户/组权限？,hadoop,kerberos,cloudera,Hadoop,Kerberos,Cloudera,我正在尝试用Kerberos设置Hadoop 我遵循CDH3安全指南 到目前为止一切都很顺利（HFDS工作正常等），但当我尝试提交作业时，我遇到了以下错误 我以HDFS用户的身份运行HDFS服务器，以mapred用户的身份运行Hadoop。我使用mapred组中名为bob的用户提交作业 以下是我对taskcontroller.cfg的值 mapred.local.dir=/opt/hadoop-work/local/ hadoop.log.dir=/opt/hadoop-1.0.3/logs m
mapred.local.dir=/opt/hadoop-work/local/
hadoop.log.dir=/opt/hadoop-1.0.3/logs
mapreduce.tasktracker.group=mapred
min.user.id=1000
java.io.IOException: Job initialization failed (24) with output: Reading task controller config from /etc/hadoop/taskcontroller.cfg
Can't get group information for mapred - Success.
at org.apache.hadoop.mapred.LinuxTaskController.initializeJob(LinuxTaskController.java:192)
at org.apache.hadoop.mapred.TaskTracker$4.run(TaskTracker.java:1228)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.mapred.TaskTracker.initializeJob(TaskTracker.java:1203)
at org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:1118)
at org.apache.hadoop.mapred.TaskTracker$5.run(TaskTracker.java:2430)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.util.Shell$ExitCodeException:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:255)
at org.apache.hadoop.util.Shell.run(Shell.java:182)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:375)
at org.apache.hadoop.mapred.LinuxTaskController.initializeJob(LinuxTaskController.java:185)
... 8 more