Here are more details about the problem.
If I deploy HelloJSF.war into the "deploy" folder and go to the
http://localhost:8080/HelloJSF/ URL, I get the following:
Directory Listing For /
--------------------------------------------------------------------------------
Filename Size Last Modified
greeting.jsp 0.4 kb Tue, 13 Mar 2007 22:04:54 GMT
hello.jsp 0.6 kb Tue, 13 Mar 2007 22:03:00 GMT
--------------------------------------------------------------------------------
Apache Tomcat/5.5.20
If I click on hello.jsp, I get the following exception report:
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from
fulfilling this request.
exception
org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
root cause
java.lang.NullPointerException
javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:929)
javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:310)
org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:70)
org.apache.jsp.hello_jsp._jspx_meth_f_view_0(hello_jsp.java:99)
org.apache.jsp.hello_jsp._jspService(hello_jsp.java:74)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
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/5.5.20 logs.
--------------------------------------------------------------------------------
Apache Tomcat/5.5.20
If anyone has experience with this type of problem, please help. Also, where
might I learn how to understand the exception report? Thanks.
- jhimmel
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