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Configuring ORDS gets "IO Error: The Network Adapter could not establish the connection" (Doc ID 2656354.1)

Last updated on OCTOBER 17, 2023

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle REST Data Services - Version 17.4 and later
Information in this document applies to any platform.


On : ORDS 17+

When attempting to configure ORDS the following error occurs:

WARNING: Failed to connect to user ORDS_PUBLIC_USER jdbc:oracle:thin:@//localhost:<listener_port>/<SERVICE_NAME>
IO Error: The Network Adapter could not establish the connection

The issue can be reproduced at will with the following steps:
1. Install APEX on the DB 19.0
2. Try to install and configure ORDS on the same server
3. The error above is seen. 


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