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Question:java HTTPFS : giving error “User: ubuntu is not allowed to impersonate ubuntu” while accessing the application through Http


I have installed hadoop 1.0.4 on my cluster, of 1 master and 3 slaves, and now I am installing HTTPFS(hadoop-hdfs-httpfs-0.20.2-cdh3u5-SNAPSHOT) to access the HDFS contents using http protocol,

I am able to access the normal page through it

curl -i "http://myhost:14000"

its works fine :)

but If I tried to access HDFS then its giving me error(ubantu is my user) :(

curl -i "http://myhost:14000/webhdfs/v1?user.name=ubantu&op=OPEN"

error:

    {"RemoteException":{"message":"User: ubantu is not allowed to impersonate ubantu",
"exception":"RemoteException","javaClassName":"org.apache.hadoop.ipc.RemoteException"}}

Thanks in advance.

asked Sep 13, 2013 in Core java by rajesh
edited Sep 12, 2013
0 votes
95 views



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