My Oracle Support Banner

ORA-12541: TNS:no Listener when using UTL_HTTP (Doc ID 2198047.1)

Last updated on JULY 06, 2021

Applies to:

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


When connecting via the TNS Listener, and then running a basic UTL_HTTP query, the query fails with an ORA-12541 "no listener"
This is despite the fact that the listener is up and running on the Database Server and has no issues with SQL*Plus connections.



To view full details, sign in with your My Oracle Support account.

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

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.