Java EE (Java Enterprise Edition) General Discussion

I get the following exception when trying to create a custom renderer for javax.faces.Input component

java.lang.NullPointerException
javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:676)
javax.faces.webapp.UIComponentTag.encodeBegin(UIComponentTag.java:574)
javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:461)
org.apache.jsp.jsp.addflow1_jsp._jspx_meth_syn_datePicker_0(addflow1_jsp.java:219)
org.apache.jsp.jsp.addflow1_jsp._jspx_meth_f_view_0(addflow1_jsp.java:178)
org.apache.jsp.jsp.addflow1_jsp._jspService(addflow1_jsp.java:125)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:142)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)


Any idea...why i am getting that exception?