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ORA-24247: Network Access Denied by Access Control in APEX After Installation / Upgrade (Doc ID 566733.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 and later
Oracle Application Express (formerly HTML DB) - Version 3.0.1 and later
Information in this document applies to any platform.
Issue applies to Application Express (APEX) 3.X installed in an 11g DB.


Symptoms

When attempting actions related to:

The following or a similar error occurs->

ORA-29273: HTTP request failed ORA-06512: at "SYS.UTL_HTTP", line 1577 ORA-24247: network access denied by access control list (ACL).

If using custom LDAP authentication and network services are disabled in 11.2.X.X, the symptoms/errors are

ORA-31204: DBMS_LDAP: PL/SQL - Invalid LDAP Session.
Error ERR-1082 Error in executing authorization scheme code.

See blog.

Changes

This can occur after an installation or an upgrade of Oracle Application Express, or when the database is upgraded from 10.x to 11.x and above.

Cause

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