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ORA-12541 when running UTL_HTTP Package with localhost:port or (Doc ID 1953648.1)

Last updated on FEBRUARY 03, 2019

Applies to:

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


ORA-12541 "no listener" errors when running UTL_HTTP calls locally:

However, TNS Listener is running and servicing SQL*Net connections.

Also, running UTL_HTTP.REQUEST against a general site (such as works fine.
Test steps from Doc ID 230917.1 all succeed.


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