Oozie Error: E0902 : E0902: Exception occured: [org.apache.hadoop.ipc.RemoteException: User: oozie i

bin/oozie job -oozie http://hadoop-01:11000/oozie -config /tmp/examples/apps/map-reduce/job.properties -run

Error: E0902 : E0902: Exception occured: [org.apache.hadoop.ipc.RemoteException: User: oozie is not allowed to impersonate hadoop]

解决方法：

在core-site.xml加入如下配置项后，重启hadoop集群

<property>
  <name>hadoop.proxyuser.oozie.hosts</name>
  <value>hadoop-01</value>
</property>
<property>
  <name>hadoop.proxyuser.oozie.groups</name>
  <value>hadoop</value>
</property>