What version of Hadoop are you using? Not all versions
support wildcards (e.g. '*') as part of
hadoop.proxyuser.oozieuser.[groups|hosts]

Thanks,
Roman.

On Sun, Jun 2, 2013 at 1:26 AM, Lenin Raj <[email protected]> wrote:
> Hello,
>
> When I try to invoke a job, I am getting impersonation error. I tried
> searching in Google, but could not resolve it.
>
> *This is my core-site.xml:*
>
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
>
> <!-- Put site-specific property overrides in this file. -->
>
> <configuration>
> <property>
>   <name>hadoop.tmp.dir</name>
>   <value>/app/hadoop/tmp</value>
>   <description>A base for other temporary directories.</description>
> </property>
>
> <property>
>   <name>fs.default.name</name>
>   <value>hdfs://localhost:54310</value>
>   <description>The name of the default file system.  A URI whose
>   scheme and authority determine the FileSystem implementation.  The
>   uri's scheme determines the config property (fs.SCHEME.impl) naming
>   the FileSystem implementation class.  The uri's authority is used to
>   determine the host, port, etc. for a filesystem.</description>
> </property>
> <!-- OOZIE -->
> *  <property>
>     <name>hadoop.proxyuser.oozieuser.hosts</name>
>     <value>localhost</value>
>   </property>
>   <property>
>     <name>hadoop.proxyuser.oozieuser.groups</name>
>     <value>*</value>
>   </property>*
> </configuration>
>
> *I have restarted hadoop after modifying core-site.xml.*
>
> I am starting oozie server using the user id 'oozieuser'
>
> *Job run via root*
> Error: E0902 : E0902: Exception occured: [User: oozieuser is not allowed to
> impersonate root]
>
> *Job run via oozieuser*
> Error: E0902 : E0902: Exception occured: [User: oozieuser is not allowed to
> impersonate oozieuser]
>
> If I am starting oozie server using the user id 'root'
>
> *Job run via root*
> Error: E0902 : E0902: Exception occured: [User: root is not allowed to
> impersonate root]
>
> *Job run via oozieuser*
> Error: E0902 : E0902: Exception occured: [User: root is not allowed to
> impersonate oozieuser]
>
> *Is my core-site.xml configuration correct? If not what should be modified?*
>
> Thanks,
> Lenin

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