Scheduler Stuck Executing Jobs And CJQ0 Locking SYS.LAST_OBSERVED_EVENT
Last updated on DECEMBER 27, 2017
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2 to 12.1]
Information in this document applies to any platform.
Scheduler jobs do not run at all and CJQ0 seems stuck after locking the object SYS.LAST_OBSERVED_EVENT.
The Scheduler trace (by the event 27402 level 65355) shows that the coordinator (CJQ0) locks the object SYS.LAST_OBSERVED_EVENT.
The scheduler trace shows an error ORA-942.
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