Issue After Upgrade from 11g to 12c getting in alert log
Wed Feb 17 23:32:48 2016
Thread 1 advanced to log sequence 1904 (LGWR switch)
Current log# 2 seq# 1904 mem# 0: /u02/oradata/BBBDEV/redo02.log
Wed Feb 17 23:49:29 2016
Warning: VKTM detected a time drift.
Time drifts can result in an unexpected behavior such as time-outs. Please check trace file for more details.
Thu Feb 18 00:19:59 2016
TABLE SYS.WRP$_REPORTS_TIME_BANDS: ADDED INTERVAL PARTITION SYS_P409 (2239) VALUES LESS THAN (TO_DATE(' 2016-02-18 01:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
Thu Feb 18 01:33:13 2016
TABLE SYS.WRP$_REPORTS: ADDED INTERVAL PARTITION SYS_P410 (2240) VALUES LESS THAN (TO_DATE(' 2016-02-19 01:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))