Unable To Execute Dbms_stats Job ORA-600  or ORA-600 
Last updated on JUNE 13, 2013
Applies to:Oracle Server - Enterprise Edition - Version: 10.1.0.4 to 10.2.0.3 - Release: 10.1 to 10.2
Information in this document applies to any platform.
The system clock had been (accidentally) set a year ahead after a power outage.
Automatic jobs for DBMS_STATS ran, generating statistics.
After setting the clock back to the correct year, DBMS_STATS does not run correctly.
A manual execution of DBMS_STATS fails.
SQL> execute dbms_scheduler.run_job('GATHER_STATUS_JOB');
begin dbms_scheduler.run_job('GATHER_STATS_JOB'); END;
ERROR at Line 1:
ORA-00600: internal error code, arguments:        
ORA-06512: at "Sys.DBMS_ISCHED", line 148
ORA-06512: at "SYS.DBMS_SCHEDULER", line 374
ORA-06512: at line 1
This same problem has reported ORA-600  on 10.2.0.3.
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