{msg":"User 'UserX' not allowed to impersonate ''UserY"}

[#1]

In a kerberized environment, I am creating a session on Livy with a kerberos ticket of User X and giving proxyUser UserY.

curl -v --negotiate -u : -X POST -H "Content-Type: application/json" -d '{"kind":"spark","proxyUser":"UserY"}' https://server-url:8998/sessions -k

The response I get is that

{msg":"User 'UserX' not allowed to impersonate ''UserY"}

when I initiate a ticket with UserY and

curl -v --negotiate -u : -X POST -H "Content-Type: application/json" -d '{"kind":"spark","proxyUser":"UserY"}' https://server-url:8998/sessions -k

Response I get:

{"id":145,"name":null,"appId":null,"owner":"UserY","state":"starting","kind":"spark","appInfo":{"driverLogUrl":null,"sparkUiUrl":null},"log":["stdout: ","\nstderr: ","\nYARN Diagnostics:.....}

[#2 · Accepted solution]

Hi @naymar, to grant Livy the ability to impersonate the originating user, add the following property to <HADOOP_HOME>/etc/hadoop/core-site.xml:

<property>
      <name>hadoop.proxyuser.livy.groups</name>
      <value>*</value>
</property>

<property>
      <name>hadoop.proxyuser.livy.hosts</name>
      <value>*</value>
</property>

Ref: https://docs.cloudera.com/cdp-private-cloud-base/7.1.7/configuration-properties/topics/cm_props_cdh7...
https://docs.cloudera.com/HDPDocuments/HDP2/HDP-2.5.3/bk_command-line-installation/content/grant_liv... 

[#3]

@naymar, Has the reply helped resolve your issue? If so, can you kindly mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future?