Plugins Not Working gets 503 (Service Unavailable), in HAR log see "pool named |apex|pu|, is not able to proxy to the schema named APEX_PUBLIC_USER"
(Doc ID 2744609.1)
Last updated on JANUARY 15, 2021
Applies to:Oracle Application Express (APEX) - Version 20.1 and later
Information in this document applies to any platform.
On : APEX 20.1 version, Flow Builder
When attempting to use plugins,
the following error occurs.
Failed to load resource: the server responded with a status of 503 (Service Unavailable)
<plugin_name> is not defined
In an HAR result one can see:
Error-Reason error="*APEX_PUBLIC_USER|apex|pu|"; error_description*=UTF-8''The database user for the connection pool named |apex|pu|, is not able to proxy to the schema named APEX_PUBLIC_USER. This could be a configured restriction on the maximum number of database sessions or an authorization failure.
The issue can be reproduced at will with the following steps:
1. Try to use application with plugins
2.Get the 503 error
Installed a new packaged application
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