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