https://community.cloudera.com/t5/Support-Questions/Http-Error-500-KerberosName-NoMatchingRule/m-p/195416#M157472 <P>Hi <A rel="user" href="https://community.cloudera.com/users/10337/srai.html" nodeid="10337">@Shyam Sunder Rai</A> and <A rel="user" href="https://community.cloudera.com/users/322/rlevas.html" nodeid="322">@Robert Levas</A> , thanks for the answer !</P><P>I was also thinking it is a problem related to auth_to_local. That's why I added a new rule for solr :</P><PRE>RULE:[2:$1@$0](infra-solr@EXAMPLE.COM)s/.*/solr/</PRE><P>and restarted.</P><P>But nothing changes, I still got the 500 error.</P><P>How to be sure of the principal and regex to use in the rule ?</P><P>I tried to find an example for Solr rule but nothing on the Internet <span class="lia-unicode-emoji" title=":face_with_open_mouth:">😮</span></P> Tue, 23 Jan 2018 01:23:21 GMT julian_blin 2018-01-23T01:23:21Z