work on localhost but when comes to amazon ec2 it prompt me this

I been struggling with this error few days, I been using ubuntu OS on amazon ec2 and installed Tomcat 7.0.62, java 1.7, everything was ok on the server, I'm also able to open the app manager site on it, but I'm just unable to start the apps on it please help

Jul 03, 2015 4:12:18 AM org.apache.catalina.core.ApplicationContext log INFO: No Spring WebApplicationInitializer types detected on classpath

Jul 03, 2015 4:12:18 AM org.apache.catalina.core.ApplicationContext log INFO: Initializing Spring root WebApplicationContext

Jul 03, 2015 4:12:26 AM org.apache.catalina.core.StandardContext listenerStart

SEVERE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null

    at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:351)
    at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:220)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4971)