Thanks Vipin. I will provide log when I have it.

This error was thrown when I access ranger via knox. Interestingly,
accessing ranger UI via ssh tunnel does not have such issue.

On Tue, Jul 10, 2018 at 3:31 PM, Vipin Rathor <[EMAIL PROTECTED]> wrote:
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB