I get exception when I display 2 diff portlet apps using JSF technology?

Question

I tried to show different web apps in 2 different porlets but I get exception. Running each of them independently there is no problem but running them together results in following exception. Any ideas?
Nested Exception is java.lang.ClassCastException
     at javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:698)
     at javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:429)
     at com.sun.faces.taglib.jsf_core.ViewTag.doStartTag(ViewTag.java:105)
     at org.apache.jsp.intro_jsp._jspx_meth_f_view_0(org.apache.jsp.intro_jsp:94)

Answer 1

The logs are by default located in Tomcat/logs and configurable by Tomcat/conf/logging.properties.
Having said that, when I google on [java.lang.NoClassDefFoundError: Could not initialize class org.apache.myfaces.shared_tomahawk.config.MyfacesConfig|http://www.google.com/search?q=java.lang.NoClassDefFoundError%3A+Could+not+initialize+class+org.apache.myfaces.shared_tomahawk.config.MyfacesConfig] then I have the impression that you're using Tomahawk 1.1.7 snapshot and there might be a bug in it. Try using Tomahawk 1.1.6 and see if it works. After all, you may have more luck if you post this issue at their own mailinglist at tomahawk.apache.org.