public String getCrowdServerUrl() {
        String url = props.getProperty(CROWD_SERVER_URL);
        if (!url.endsWith("/")) {
            url += "/";
        }
        return url;
    }
Reading the file crowd.properties which should be found in the conf folder
of openfire
xmppserver/src/main/java/org/jivesoftware/openfire/crowd/CrowdProperties.java