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Cannot Access Application Express Home Page After Installation ORA-12541 (Doc ID 373590.1)

Last updated on JANUARY 30, 2022

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.

Symptoms

When attempting to access the APEX / HTMLDB homepage, the following error appears in the browser:

ERROR
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.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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