Cannot Access Application Express Home Page After Installation ORA-12541
(Doc ID 373590.1)
Last updated on FEBRUARY 18, 2021
Applies to:Oracle Application Express (APEX) - Version 1.6 and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud 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.
***Checked for relevance on 27-Jul-2012***
When attempting to access the APEX / HTMLDB homepage, the following error appears in the browser:
HTTP 503 "Service Temporarily Unavailable"
The following related errors are seen in the Apache error_log file as noted below:
Depending on the configuration, you may also see ORA-12514 in the Apache error_log.
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