jboss-deployment-structure.xml

<jboss-deployment-structure>
    <deployment>
        <!-- You must configure the PicketLink dependency to your deployment. The dependency above is a reference to a static module
        from JBoss EAP modules directory. -->
        <dependencies>
            <module name="org.picketlink"/>
        </dependencies>
    </deployment>
</jboss-deployment-structure>