DBCA shows an error: "LISTENER already exists"
(Doc ID 1584523.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database Configuration Assistant - Version 184.108.40.206 to 220.127.116.11 [Release 12.1]
Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 12.1]
Oracle Net Services - Version 126.96.36.199 to 188.8.131.52 [Release 12.1]
Information in this document applies to any platform.
Before starting database creation , DBCA shows an error: "LISTENER xy already exists".
There was no listener installed or configured before , DBCA creates this listener as service, starts the listener and then the error is showing up.
DBCA exit after the error, no chance to continue.
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