PREHOOK: query: set role admin
PREHOOK: type: SHOW_ROLES
POSTHOOK: query: set role admin
POSTHOOK: type: SHOW_ROLES
PREHOOK: query: drop role admin
PREHOOK: type: DROPROLE
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. Error dropping role: public,admin roles can't be dropped.