Apex Listener / SQL Developer giving HTTP/1.1 503 Service Unavailable
(Doc ID 1582208.1)
Last updated on FEBRUARY 18, 2021
Applies to:Oracle REST Data Services - Version 2.0.1 and later
Oracle SQL Developer - Version 3.2 and later
Oracle Application Express (APEX) - Version 4.1 and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Trying to administer Apex Listener from SQL Developer, this is failing with error "HTTP/1.1 503 Service Unavailable".
This can occur after an upgrade of the APEX Listener from 2.0.0 to a later version or for a new installation of the APEX Listener 2.0.1 and above.
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