Last updated on MAY 19, 2017
Applies to:Oracle Net Services - Version 184.108.40.206 and later
Information in this document applies to any platform.
After upgrading the TNSListener to 12.1.x the Listener log is filling up very quickly with the following errors:
On the same machine, there is a 9.2 Database in a separate ORACLE_HOME that has been started.
There was an upgrade of the Listener to 12c or an installation of a very old Database such as 9i
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