20190103-Oracle 18.3 ORA-12012 ORA-20001

问题：

Oracle 告警日志有大量如下信息，平均每10 分钟出现一次：

[oracle@oracle-server001 trace]$ pwd
/u01/app/oracle/diag/rdbms/chendb/chendb/trace

[oracle@oracle-server001 trace]$ vi alert_chendb.log

2019-01-03T01:28:08.337087+08:00
Errors in file /u01/app/oracle/diag/rdbms/chendb/chendb/trace/chendb_j000_84302.trc:
ORA-12012: error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_2612"
ORA-20001: Statistics Advisor: Invalid task name for the current user
ORA-06512: at "SYS.DBMS_STATS", line 49538
ORA-06512: at "SYS.DBMS_STATS_ADVISOR", line 881
ORA-06512: at "SYS.DBMS_STATS_INTERNAL", line 21631
ORA-06512: at "SYS.DBMS_STATS_INTERNAL", line 23763
ORA-06512: at "SYS.DBMS_STATS", line 49526
2019-01-03T01:38:13.791103+08:00

环境说明：

OS: CentOS Linux release 7.5
DB:Oracle 18.3.0.0.0

问题原因：

Bug 22879263 - BETA 12.2 - ORA-12012 , ORA-20001 AND ORA-06512 FROM ORA$AT_OS_OPT_SY_88 JOB

解决方案：

1.Bug is fixed in 12.2.0.1.0.
2.Use following workaround:
 execute " EXEC dbms_stats.init_package();"

参考:

Recurring ORA-12012, ORA-20001, ORA-06512 In Container Database ( 文档 ID 2420581.1)

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