[jboss-user] [JBoss Seam] - javax.servlet.ServletException: Error calling action method

i modified jboss-seam booking example, created a new booking application to fit our needs. everything works fine until the last step, confirm booking. when i press the confirm button, i got the error message like below: 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: Error calling action method of component with id _id16:_id54 javax.faces.webapp.FacesServlet.service(FacesServlet.java:121) org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) root cause javax.faces.FacesException: Error calling action method of component with id _id16:_id54 org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:74) javax.faces.component.UICommand.broadcast(UICommand.java:106) javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:90) javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:164) org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:316) org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) javax.faces.webapp.FacesServlet.service(FacesServlet.java:106) org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs. can you give me some tip on this one please... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3983733#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...