Troubleshooting MOD_PLSQL DAD Issues for APEX / HTMLDB Installations
Last updated on NOVEMBER 14, 2016
Applies to:Oracle Application Express (formerly HTML DB) - Version 1.6 and later
Information in this document applies to any platform.
Checked for relevance on 12-JUL-2012
Checked for relevance on 16-Dec-2013
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.
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