SQL > ALTER USER ANONYMOUS IDENTIFIED BY anonymous;

SQL> ALTER USER ANONYMOUS ACCOUNT UNLOCK;

SQL> ALTER USER XDB IDENTIFIED BY xdb;

SQL> ALTER USER XDB ACCOUNT UNLOCK;

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DECLARE
l_configxml XMLTYPE;
l_value VARCHAR2(5) := 'true'; --(true/false)
BEGIN
l_configxml := DBMS_XDB.cfg_get();
IF l_configxml.existsNode('/xdbconfig/sysconfig/protocolconfig/httpconfig/allow-repository-anonymous-access') = 0 THEN
-- Add missing element.
SELECT insertChildXML
(
l_configxml,
'/xdbconfig/sysconfig/protocolconfig/httpconfig',
'allow-repository-anonymous-access',
XMLType('<allow-repository-anonymous-access xmlns="http://xmlns.oracle.com/xdb/xdbconfig.xsd">' ||
l_value ||
'</allow-repository-anonymous-access>'),
'xmlns="http://xmlns.oracle.com/xdb/xdbconfig.xsd"'
)
INTO l_configxml
FROM dual;
DBMS_OUTPUT.put_line('Element inserted');
ELSE
-- Update existing element.
SELECT updateXML
(
DBMS_XDB.cfg_get(),
'/xdbconfig/sysconfig/protocolconfig/httpconfig/allow-repository-anonymous-access/text()',
l_value,
'xmlns=”http://xmlns.oracle.com/xdb/xdbconfig.xsd"'
)
INTO l_configxml
FROM dual;
DBMS_OUTPUT.put_line('Element updated.');
END IF;
DBMS_XDB.cfg_update(l_configxml);
DBMS_XDB.cfg_refresh;
END;