Hi,  You must deploy the jce policy on every cluster nodes if you are using built-in openjdk. Please follow the steps. [root@hostname]# locate local_policy.jar [root@hostname]# wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip" [root@hostname]# unzip -o -j -q jce_policy-8.zip -d /usr/jdk64/jdk1.8.0_112/jre/lib/security/ [root@hostname]# ambari-server rstart   Now test the connection. Hopes it will resolves the issue.   ... View more

Aoa @AmirMirza  Just receive the congratulation email from cloudera. Alhamdullah i am passed but those questions they have considered as fail in my case.  Best wishes for your result Thanks. ... View more

just left my exam session because of this issue. There was a issue with yum repository. i tried to resolve but got same error form all nodes.  ... View more