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  • Orace 12.2 ORA-12012: error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_21"

    一个测试环境的12.2.0.1数据库后台alert不断报出以下错误信息:

    Errors in file /d12/app/oracle/diag/rdbms/test/test/trace/test_j001_4981.trc:
    ORA-12012: error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_21"
    ORA-20001: Statistics Advisor: Invalid task name for the current user
    ORA-06512: at "SYS.DBMS_STATS", line 47207
    ORA-06512: at "SYS.DBMS_STATS_ADVISOR", line 882
    ORA-06512: at "SYS.DBMS_STATS_INTERNAL", line 20059
    ORA-06512: at "SYS.DBMS_STATS_INTERNAL", line 22201
    ORA-06512: at "SYS.DBMS_STATS", line 47197
    

      

    看了一下报错频率,大概是每隔10分钟报一次。该库是12.2.0.1的CDB,其中还有两个pdb。

    从MOS找到一篇对应的文章:ORA-12012 Error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_<NN> in 12.2 Database (Doc ID 2127675.1)

    分析可能是在建库的时候没有执行dbms_stats.init_package() 

    $ sqlplus / as sysdba
    SQL> EXEC dbms_stats.init_package();
    
    PL/SQL procedure successfully completed.
    
    SQL> column name format A35
    SQL> set linesize 120
    SQL> 
    SQL> select name, ctime, how_created
      2    from sys.wri$_adv_tasks
      3   where owner_name = 'SYS'
      4     and name in ('AUTO_STATS_ADVISOR_TASK','INDIVIDUAL_STATS_ADVISOR_TASK');
    
    NAME                                CTIME     HOW_CREATED
    ----------------------------------- --------- ------------------------------
    AUTO_STATS_ADVISOR_TASK             17-JUN-17 CMD
    INDIVIDUAL_STATS_ADVISOR_TASK       17-JUN-17 CMD
    

      

    执行结束后,观察日志,不再继续报错!

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  • 原文地址:https://www.cnblogs.com/abclife/p/7039358.html
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