My Oracle Support Banner

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

Last updated on JUNE 23, 2020

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.

Symptoms

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. 


Cause

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
Symptoms
Cause
Solution
References


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