Listener Log Intermittently Reports: < unknown connect data> and either * 12537 or * 12569 errors
(Doc ID 1664901.1)
Last updated on DECEMBER 27, 2017
Applies to:Oracle Net Services - Version 18.104.22.168 to 22.214.171.124 [Release 11.2]
Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
Oracle Net Services - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.1]
Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 12.1]
Information in this document applies to any platform.
Intermittently, or repeatedly, the listener log contains messages such as:
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