To build in CAS proxy mode 1/ Add the https profile to tomcat mvn clean install -Punpack,pack,https 2/ Modify the portal.properties as below #uncomment to activate cas proxy (the 2 lines) cas.proxycallback=https://vm-jss-dev:8444/portal/CasProxyServlet cas.proxyurl=https://vm-jss-dev:8443/cas/proxy