LSNRCTL Commands May Yield Frequent TNS-1189 Errors
(Doc ID 285439.1)
Last updated on DECEMBER 10, 2020
Applies to:Oracle Net Services - Version 10.1.0.2.0 and later
Information in this document applies to any platform.
The issue documented here is limited to the version 10g or higher listener or lsnrctl utility.
When using a 10g listener or higher, it is possible that the error TNS-1189 "The listener could not authenticate the user" may occur intermittently (or very frequently) while performing listener operations from within the same LSNRCTL session. For example:
LSNRCTL> set trc_level 16
The listener.ora file may have been edited recently or this is a new installation.
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