Sat Sep 29 16:00:00 2018
Errors in file /u01/app/oracle/diag/rdbms/XXX/XXX/trace/XXX_j000_3516.trc:
ORA-12012: error on auto execute of job "SYS"."BSLN_MAINTAIN_STATS_JOB"
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "DBSNMP.BSLN_INTERNAL", line 2073
ORA-06512: at line 1
Sat Sep 29 16:03:17 2018
Thread 1 advanced to log sequence 137530 (LGWR switch)RDBMS 11.2.0.3 ，发现alert log中有大量的错误。
查找MOS： ORA-12012: Error on Auto Execute of job SYS.BSLN_MAINTAIN_STATS_JOB (文档 ID 1413756.1) 发现为bug
原因：
The same is addressed in
Bug 13637859 - "BSLN_MAINTAIN_STATS_JOB FAILS WITH ORA-06502
which is marked as a duplicate of
Bug 10110625 - DBSNMP.BSLN_INTERNAL RECEIVES ORA-06502
As in a specific customer's situation, the issue can occur when a Database is created with a template from the old database or created as a clone from another database. The existing records in table "DBSNMP.BSLN_BASELINES" conflict with new baseline information inserted in the cloned database, thereby containing inconsistent information.
解决方法：
This issue is fixed in 11.2.0.4.
For versions below 11.1.0.7 apply the patch 6282324.Bug 6282324 is fixed in 11.1.0.7 .
For 11.2.0.2 and 11.2.0.3, please apply Patch 10110625 (if available for your platform and database version).
As a workaround, the DBSNMP user can be dropped and re-created using the standard scripts.
Ensure you have Backed up your database.、
-- Login as sys user.
SQL> sqlplus / as sysdba
-- From the sqlplus execute the following:
-- Drop the DBSNMP user by executing catnsnmp.sql script.
SQL> @$ORACLE_HOME/rdbms/admin/catnsnmp.sql
-- Create the DBSNMP user by executing catsnmp.sql
SQL> @$ORACLE_HOME/rdbms/admin/catsnmp.sqlEND