During Upgrade, DBUA Changes LOCAL_LISTENER Parameter Setting
(Doc ID 737339.1)
Last updated on FEBRUARY 28, 2019
Applies to:Oracle Net Services - Version 10.1.0.2.0 to 18.104.22.168 [Release 10.1 to 12.2]
Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
This document describes a problem that can occur during a database upgrade where the DBUA can change the LOCAL_LISTENER.
It has been reported that it can also set LOCAL_LISTENER to null.
After upgrading the Oracle database using DBUA, you find that the value for LOCAL_LISTENER has been changed in the pfile:
For example, the parameter might have been changed from:
DBUA is designed to use the tnsnames alias reference using the nomenclature "LISTENER_<sid>" rather than a full connect string for the LOCAL_LISTENER parameter.
The goal of this Note is to answer the following questions:
1. What are the advantages of tnsnames.ora, over inline specification?
2. How to revert the changes done by DBUA to tnsnames.ora file?
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