In ICEfaces-EE-2.0.0.GA ee-composite-showcase application, a Server Internal Error is thrown when clicking on left side link: Process Components -> File Upload Progress.
If clicking on reload button, then an HTTP error 500 displays on the page - see bellow.

To reproduce:
1. Build / deploy ICEfaces-EE-2.0.0.GA ee-composite-showcase
2. Replace ICEfaces EE-2.0 JARs with ICEfaces 3.0 JARs
3. Load the the ee-composite-showcase application in any browser.
4. Navigate to: Process Components -> File Upload Progress

HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: org/icefaces/component/fileentry/FileEntryEvent
    javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
root cause
java.lang.NoClassDefFoundError: org/icefaces/component/fileentry/FileEntryEvent
    java.lang.Class.getDeclaredMethods0(Native Method)
    java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
    java.lang.Class.privateGetPublicMethods(Class.java:2547)
    java.lang.Class.getMethods(Class.java:1410)
    java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1284)
    java.beans.Introspector.getTargetMethodInfo(Introspector.java:1158)
    java.beans.Introspector.getBeanInfo(Introspector.java:408)
    java.beans.Introspector.getBeanInfo(Introspector.java:167)
    javax.el.BeanELResolver$BeanProperties.<init>(BeanELResolver.java:209)
    javax.el.BeanELResolver.property(BeanELResolver.java:307)
    javax.el.BeanELResolver.getValue(BeanELResolver.java:85)