Saw the same issue and debug it by adding Java option  -Dsun.security.krb5.debug=true In the logs, I found the IP address of KDC is shown instead of the hostname. That's suspicious. So I tried adding the IP -> hostname mapping of the KDC server in /etc/hosts. It resolved the issue. There could be other causes for your issue. The debug logs can show you more clues. ... View more