public String getMessage() {
      return message;
    }
Extends read-only HS2LeadershipStatus servlet to provide a DELETE method for triggering failover.
Invoking a "DELETE" method on this endpoint will trigger a failover if this instance is a leader.
hadoop.security.instrumentation.requires.admin should be set to true and current user has to be in admin ACLS
for accessing this endpoint.
service/src/java/org/apache/hive/service/servlet/HS2LeadershipManager.java