The cc.remoting.servlet.base URL in the J2EE samples folder is changed from HTTPS (secure) to HTTP by default to improve performance of the J2EE API calls. To change back to HTTPS, follow these steps

Procedure

  1. Open <VOYENCE_HOME>/ncmcore/webapps/ncm-webapp/samples/J2EE/conf/config.properties
  2. Modify this portion of the line, 
    cc.remoting.servlet.base=http://<server-ip>:8881/ncm-webapp/remoting/
    Change it to 
    cc.remoting.servlet.base=https://<server-ip>8880/ncm-webapp/remoting/