Hi,
I'm trying to create a prototype of Frames and MyFaces. My index.jsp looks like the below. At present my header.jsp and navtree.jsp do not have anything other than a out.println under <f:view> tag. Whenever I access the application, I get this error.
Is there any best practices to work with frames? How is the page rendered. Should each jsp file under each frame should be included in <f:subview> instead of <f:view>.
org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.NullPointerException
javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:646)
javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:254)
org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:90)
org.apache.jsp.index_jsp._jspx_meth_f_view_0(org.apache.jsp.index_jsp:80)
org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:56)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
<%@ page language="java" contentType="text/html" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<f:view>
<frameset rows="46,*" frameborder="yes" framespacing="0" border="2">
<frame src="" name="header" scrolling="no" noresize="noresize"/>
<frameset cols="20%,80%" border="2" frameborder="no" framespacing="2" >
<frame src="" name="navigation" frameborder="no"/>
<frameset rows="90%,22" frameborder="no" framespacing="0">
</frameset>
</frameset>
</frameset>
</f:view>
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