I was not stoping cdh and cloudera management services  and deploying Kerberos configurations.     Now I stopped cdh and cloudera management services and deploying Kerberos configurations. It worked for me and /etc/krb5.conf is updated for all hosts in cluster.   This issue resolved. Thanks.   ... View more

While trying to used the hue Web Ui I've had the same problem. I my case the problem was that the impala service was not running.   I was trying to do a hive query but impala was set as the default application. So as soon as I connect to Hue Web Ui it tries to connect to the Impala server and throws the error message. Therefore any query you run gets executed by impala and throws the error. To solve this, you must check that impala service is running properly.   ... View more