In addition to Larry’s comments, this error:
{"RemoteException":{"exception":"SecurityException","javaClassName":"java.lang.SecurityException","message":"Failed
to obtain user group information:
org.apache.hadoop.security.authorize.AuthorizationException: User: knox is not
allowed to impersonate guest"}}
Is usually caused by missing proxy user config:
http://knox.apache.org/books/knox-0-6-0/user-guide.html#Grant+Proxy+privileges+for+Knox+user+in+`core-site.xml`+on+Hadoop+master+nodes<http://knox.apache.org/books/knox-0-6-0/user-guide.html#Grant+Proxy+privileges+for+Knox+user+in+%60core-site.xml%60+on+Hadoop+master+nodes>
From: Christopher Jackson
<[email protected]<mailto:[email protected]>>
Reply-To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Date: Thursday, December 24, 2015 at 1:24 PM
To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Subject: Custom Ambari Service using Knox and Kerberos.
{"RemoteException":{"exception":"SecurityException","javaClassName":"java.lang.SecurityException","message":"Failed
to obtain user group information:
org.apache.hadoop.security.authorize.AuthorizationException: User: knox is not
allowed to impersonate guest"}}
