Lsnrctl is very slow and possibly TNS-12537: TNS:connection closed in Alert log (Doc ID 2135131.1)

Last updated on MAY 06, 2016

Applies to:

Oracle Net Services - Version and later
Information in this document applies to any platform.


When issuing "lsnrctl status" against any listener, the result is delayed by about 45 (or so) seconds.
A Listener trace, may reveal a "resource" limitation and delays with Network or Socket communications:




Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms