The RtFilter load vHostMappingFile but it's content is not processed and used

Environment

• Red Hat JBoss Operations Network (ON) 3.3.5
• Install and configure RtFilter in JBoss EAP 6 standalone server as per 21.5. Configuring Response Time Metrics For JBoss EAP 6/AS 7.
• Then Add following in web application web.xml:

<filter>
    <filter-name>RhqRtFilter</filter-name>
    <filter-class>org.rhq.helpers.rtfilter.filter.RtFilter</filter-class>
    <init-param>
        <param-name>vHostMappingFile</param-name>
        <param-value>vhost-mappings.properties</param-value>
    </init-param> 
</filter>

• Create vhost-mappings.properties file (in jboss.server.config.dir) with below configuration :

jon.localhost.com = testvirtualserver
test1.example.com = testvirtualserver

• Restart the JBoss EAP 6 server to reload the new changes.