HI! I'm sorry for my english but i'll try explain you my problem...

I have in my computer JBoss-4.0.4-GA and JSF. I have one jsp file with this 
code (very very simple):

<body>
  |     <f:view>
  |             This is my Error JSF JSP page. <br>
  |     </f:view>
  | </body>
Well, i can see this page without jboss (with normal tomcat) but, if i want see 
with jboss, i get this error:

type Exception report
  | 
  | message
  | 
  | description The server encountered an internal error () that prevented it 
from fulfilling this request.
  | 
  | exception
  | 
  | org.apache.jasper.JasperException: Exception in JSP: /Error.jsp:29
  | 
  | 26: </head>
  | 27:   
  | 28: <body>
  | 29:         <f:view>
  | 30:                 This is my Error JSF JSP page. <br>
  | 31:         </f:view>
  | 32: </body>
  | 
  | 
  | Stacktrace:
  |     
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
  |     
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
  |     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)
  |     
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
  |     
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
  |     
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)
  |     
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  | 
  | root cause
  | 
  | java.lang.NullPointerException
  |     
javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:615)
  |     javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:217)
  |     org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:71)
  |     org.apache.jsp.Error_jsp._jspx_meth_f_view_0(Error_jsp.java:109)
  |     org.apache.jsp.Error_jsp._jspService(Error_jsp.java:84)
  |     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:332)
  |     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)
  |     
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
  |     
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
  |     
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)
  |     
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/5.5.17 logs.
  | 

Can you help me???

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