https://community.cloudera.com/t5/Support-Questions/Http-Error-500-KerberosName-NoMatchingRule/m-p/195417#M157473 <P>Do you have a rule like to following?</P><PRE>RULE:[1:$1@$0](.*@EXAMPLE.COM)s/@.*//</PRE><P>Also, do you have the following at the end?</P><PRE>DEFAULT</PRE> Tue, 23 Jan 2018 02:01:34 GMT rlevas 2018-01-23T02:01:34Z