Troubleshooting MOD_PLSQL DAD Issues for APEX / HTMLDB Installations

(Doc ID 304645.1)

Last updated on JANUARY 19, 2018

Applies to:

Oracle Application Express (APEX) - Version 1.6 and later
Information in this document applies to any platform.

Goal

Checked for relevance on 06-Dec-2010


When configuring the mod_plsql DAD during installation of APEX / HTML DB, the error_log may have ORA-12154 error due to a misconfiguration of Database Access Descriptor (DAD)
level parameters in wdbsvr.app OR dads.conf. This article explains how to troubleshoot those issues.

Solution

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