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APEX FLOW_XMLP_OUTPUT_R Not Working With ORDS 20.3 (Doc ID 2774916.1)

Last updated on MAY 24, 2021

Applies to:

Oracle REST Data Services - Version 20.3 and later
Information in this document applies to any platform.

Symptoms

When attempting to call a procedure, the following error occurs:


ERROR
-----------------------

503 - Service Unavailable

   * Producing PDF resources is no longer supported.


Failure of Web Server bridge:
No backend server available for connection: timed out after 10 seconds or idempotent set to OFF or method not idempotent.


STEPS
-----------------------
The issue can be reproduced at will with the following steps:


1. Run the Apex_report via URL
  https://<host>/ords/f?p=<>

2. Click 'Print' button to print the same report in PDF format via the FLOW_XMLP_OUTPUT_R

https://<host>/ords/f?p=<>:FLOW_XMLP_OUTPUT_<>::::

3. Get error

Failure of Web Server bridge:
No backend server available for connection: timed out after 10 seconds or idempotent set to OFF or method not idempotent.

The same report runs fine using ORDS 19.1 -- accessing the exact same APEX instance.

Changes

 Upgraded ORDS to 20.3.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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