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Oracle REST Data Services (ORDS) / APEX Listener General FAQ (Doc ID 1536052.1)

Last updated on SEPTEMBER 19, 2023

Applies to:

Oracle Application Express (APEX) - Version 3.2.1 and later
Oracle SQL Developer - Version 3.2 and later
Oracle REST Data Services - Version 1.1.0 and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.


This FAQ applies to the Oracle REST Data Services (ORDS) / APEX Listener, which became available with the release of Oracle Application Express 4.0. For additional information see:

Questions and Answers

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In this Document
Questions and Answers
What is Oracle REST Data Services (ORDS) / the APEX Listener?
 Is ORDS / the APEX Listener supported to be used for non-APEX applications such as Portal or generic applications created using the PL/SQL Web Toolkit?
 The database came with Oracle HTTP Server / mod_plsql as a no cost option for running mod_plsql and APEX. Now that OHS / mod_plsql has been deprecated, is there a replacement?
 What is the current supported version of ORDS?
 How can I determine the version of ORDS / the APEX Listener that I'm running?
 What APEX versions may be used with ORDS / the APEX Listener?
 What Java EE environments are supported for running ORDS / the APEX Listener?
 Does Oracle recommended ORDS / the APEX Listener over the Oracle HTTP Server (OHS) or the Embedded PLSQL Gateway (EPG)?
 Where are the troubleshooting logs for ORDS / the APEX Listener located?
 Should I have a backup solution in place should ORDS / the APEX Listener go down?
 How is ORDS / the APEX Listener configured for SSL?
 How is ORDS / the APEX Listener configured for SSO?
 How is ORDS / the APEX Listener configured for Load Balancing / Failover?
 What ORDS / the APEX Listener questions are appropriate for the Oracle REST Data Services forum?
 What is the support policy for third party products (ex. ICAP servers)?
 Is it supported to modify the contents of ORDS / the APEX Listener ords.war / apex.war file and redeploy it?
 Are there any recommendations for troubleshooting connection issues?
 Is the JSON generated from ORDS REST services RFC 8259 compliant?
 Where can I find examples related to ORDS and RESTful Services?

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