javax.servlet.ServletException

I have ths servlet define in my code, i have an outtext box bound to the objectEmbedTag string but I can not het the servlet to run the plugin. I get the error

javax.faces.el.EvaluationException: Error getting property 'objectEmbedTag' from bean of type idface.id4start: java.lang.NullPointerException

any clues

[333 byte] By [rtaylor185a] at [2007-11-27 9:26:13]