[jboss-user] [Beginners Corner] - Re: Unable to Run an EAR or WAR File

[jhimmel]

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 /

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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 
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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.


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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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