Github user gss2002 commented on the issue:
https://github.com/apache/zeppelin/pull/2886
@zjffdu I am going to cut the new improved fix based on original feedback.
But yes you will have to adjust the KDC to test this as Java does not use
ticket_lifetime or renew_lifetime from krb5.conf per this article not fixed
until Java 9.
https://stackoverflow.com/questions/38555244/how-do-you-set-the-kerberos-ticket-lifetime-from-java
https://bugs.openjdk.java.net/browse/JDK-8044500---
