ORA-600 [kgassg_2] ora ORA-12500 in the Alert.log or Listener.log
(Doc ID 337189.1)
Last updated on FEBRUARY 17, 2020
Applies to:Oracle Database Backup Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Standard Edition - Version 220.127.116.11 to 18.104.22.168 [Release 9.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 09-APR-2012***
The following errors may be seen in alert logs and listener logs:
ORA-12500: TNS:listener failed to start a dedicated server process
While there may be other errors, these are the most common.
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