Hola mi ingles no es muy bueno entocnes escribo en español, espero
alguien me pueda colaborar, tengo una pagina con html y jsf y al
ejecutarla me da el siguietne error en el navegador:
org.apache.jasper.JasperException: Exception in JSP: /proyecto/pro_edi.jsp:57
54: <script language="javascript" src="../jScripts/HMSBloquearMouse.js"></script>
55: </head>
56: <body>
57: <f:view>
58: <f:verbatim>
59: <table width="600" border="0" cellpadding="1" cellspacing="0"
class="fondo_tabla" align="center" >
60: <!-- <form name="frmRol" id="frmRol" method="post"
action="gro_edi_con.jsp"> -->
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:802)
*causa raíz*
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.proyecto.pro_005fedi_jsp._jspService(pro_005fedi_jsp.java:152)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
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:802)
*nota* _La traza completa de la causa de este error se encuentra en los
archivos de diario de Apache Tomcat/5.5.17.
_
En la salida del tomcat muestra esto:
14/08/2006 07:30:40 PM javax.faces.webapp.UIComponentTag setupResponseWriter
GRAVE: Faces context not found. getResponseWriter will fail. Check if
the FacesServlet has been initialized at all in your web.xml.
Asi tengo mi web.xml
=================
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";
version="2.4">
<context-param>
<description>Comma separated list of URIs of (additional) faces
config files.
(e.g. /WEB-INF/my-config.xml)
See JSF 1.0 PRD2, 10.3.2
Attention: You do not have to put /WEB-INF/faces-config.xml
in here.
</description>
<param-name>javax.faces.CONFIG_FILES</param-name>
<param-value>/WEB-INF/examples-config.xml</param-value>
</context-param>
<context-param>
<description>State saving method: "client" or "server" (= default)
See JSF Specification 2.5.3</description>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>
<context-param>
<description>Only applicable if state saving method is "server"
(= default).
Defines the amount (default = 20) of the latest views are stored
in session.</description>
<param-name>org.apache.myfaces.NUMBER_OF_VIEWS_IN_SESSION</param-name>
<param-value>20</param-value>
</context-param>
<context-param>
<description>Only applicable if state saving method is "server"
(= default).
If true (default) the state will be serialized to a byte stream
before it
is written to the session.
If false the state will not be serialized to a byte
stream.</description>
<param-name>org.apache.myfaces.SERIALIZE_STATE_IN_SESSION</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<description>Only applicable if state saving method is "server"
(= default) and if
org.apache.myfaces.SERIALIZE_STATE_IN_SESSION is true (= default)
If true (default) the serialized state will be compressed before it
is written to the session. If false the state will not be
compressed.</description>
<param-name>org.apache.myfaces.COMPRESS_STATE_IN_SESSION</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<description>This parameter tells MyFaces if javascript code
should be allowed in the
rendered HTML output.
If javascript is allowed, command_link anchors will have
javascript code
that submits the corresponding form.
If javascript is not allowed, the state saving info and nested
parameters
will be added as url parameters.
Default: "true"</description>
<param-name>org.apache.myfaces.ALLOW_JAVASCRIPT</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>org.apache.myfaces.DETECT_JAVASCRIPT</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<description>If true, rendered HTML code will be formatted, so
that it is "human readable".
i.e. additional line separators and whitespace will be written,
that do not
influence the HTML code.
Default: "true"</description>
<param-name>org.apache.myfaces.PRETTY_HTML</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<description>If true, a javascript function will be rendered
that is able to restore the
former vertical scroll on every request. Convenient feature if
you have pages
with long lists and you do not want the browser page to always
jump to the top
if you trigger a link or button action that stays on the same page.
Default: "false"</description>
<param-name>org.apache.myfaces.AUTO_SCROLL</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<description> Used for encrypting view state. Only relevant for
client side
state saving. See MyFaces wiki/web site documentation for
instructions
on how to configure an application for diffenent encryption
strengths.
</description>
<param-name>org.apache.myfaces.SECRET</param-name>
<param-value>NzY1NDMyMTA=</param-value>
</context-param>
<context-param>
<description>
Validate managed beans, navigation rules and ensure that
forms are not nested.
</description>
<param-name>org.apache.myfaces.VALIDATE</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.verifyObjects</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
<!-- Tiles ViewHandler config file -->
<!-- <context-param>
<description>Tiles configuration definition files and a listener
need
to be defined.
the listener will initialize JspTilesViewHandlerImpl with tiles
definitions.
</description>
<param-name>tiles-definitions</param-name>
<param-value>/WEB-INF/tiles_ads.xml</param-value>
</context-param> -->
<filter>
<filter-name>extensionsFilter</filter-name>
<filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
<init-param>
<description>Set the size limit for uploaded files.
Format: 10 - 10 bytes
10k - 10 KB
10m - 10 MB
1g - 1 GB</description>
<param-name>uploadMaxFileSize</param-name>
<param-value>100m</param-value>
</init-param>
<init-param>
<description>Set the threshold size - files
below this limit are stored in memory, files above
this limit are stored on disk.
Format: 10 - 10 bytes
10k - 10 KB
10m - 10 MB
1g - 1 GB</description>
<param-name>uploadThresholdSize</param-name>
<param-value>100k</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>extensionsFilter</filter-name>
<url-pattern>*.jsf</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>extensionsFilter</filter-name>
<url-pattern>/faces/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>SourceCodeServlet</servlet-name>
<servlet-class>org.apache.myfaces.shared_tomahawk.util.servlet.SourceCodeServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>SourceCodeServlet</servlet-name>
<url-pattern>*.source</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
Asi tengo la pagina jsp
===================
<%@ page contentType="text/html;charset=iso-8859-1"%>
<%@ page language="java" import="java.util.*, java.lang.*" %>
<%//@ page import="memoIG.valueobject.RolVO" %>
<%@ page import="co.edu.unipamplona.plataforma.metodos.*" %>
<!-- Tag para JSF -->
<%@ taglib uri="http://java.sun.com/jsf/html"; prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f"%>
<%@ taglib uri="http://myfaces.apache.org/tomahawk"; prefix="t"%>
<%
response.setHeader( "Pragma", "no-cache" ) ; //--> HTTP 1.1
response.setHeader( "Cache-Control", "no-store" ) ; //--> HTTP 1.0
response.setDateHeader( "Expires", 0 ) ;
%>
<%
String estilo = "001";
String cEstilo = "" ;
MiUsuarioVO muVO = ( MiUsuarioVO )session.getAttribute(
"miUsuarioVO" );
if ( muVO != null ) {
estilo = ( String )muVO.getEstilo();
cEstilo = ( String )muVO.getTamanoEstilo();
}
%>
<%
//--> Elimina la variable de session cuando viene la pagina
desde el btn insertar
String btnInsertar = ( String )request.getParameter(
"btnInsertar" );
if ( btnInsertar != null && btnInsertar.equals( "1" ) )
session.removeAttribute( "01_01_RolVO" ) ;
// RolVO rVO = ( RolVO )session.getAttribute ( "01_01_RolVO" );
%>
<script language="javascript">
//--> Codigo que evita la funcion del explorador volver atras
try {
history.forward ();
} catch (e) {}
</script>
<html>
<head>
<title>Administración de Desarrollo de Software - ADS</title>
<link href="../css/estilo_<%= estilo + cEstilo %>.css"
rel="stylesheet" type="text/css">
<script language="javascript"
src="../jScripts/HMSBloquearTeclas.js"></script>
<script language="javascript"
src="../jScripts/HMSBloquearMouse.js"></script>
</head>
<body>
<f:view>
<f:verbatim>
<table width="600" border="0" cellpadding="1"
cellspacing="0" class="fondo_tabla" align="center" >
<!-- <form name="frmRol" id="frmRol" method="post"
action="gro_edi_con.jsp"> -->
<tr class="fondo_blanco">
<td><img src="../images_com/5px_tra.gif"></td>
</tr>
<tr>
<td>
<table width="100%" border="0" cellpadding="0"
cellspacing="1" class="fondo_celda_3">
<tr class="fondo_celda_1">
<td align="center" valign="middle"
class="texto_blanco">Gestionar Roles</td>
</tr>
</table>
</f:verbatim>
<h:form id="frmPro" onsubmit="pro_edi_con.jsp">
<f:subview id="panelTabbedPane1">
<t:panelTabbedPane bgcolor="#FFFFCC"
serverSideTabSwitch="false">
<t:panelTab id="tab1"
label="tabbed_tab1" rendered="true">
<h:selectBooleanCheckbox
id="testCheckBox" value="chexBox"/>
<h:outputLabel
for="testCheckBox" value="A checkbox"/>
<h:inputText
id="inp1"/><f:verbatim><br></f:verbatim>
<h:inputText id="inp2"
required="true" />
<h:message for="inp2"
showSummary="false" showDetail="true" />
</t:panelTab>
</t:panelTabbedPane>
</f:subview>
</h:form>
<f:verbatim>
<table width="100%" border="0" cellpadding="0"
cellspacing="1" class="fondo_celda_3">
<tr align="center" class="fondo_celda_2">
<td width="50%"
class="texto_negro">Nombre del Rol</td>
<td width="50%"
class="texto_negro">Descripción</td>
</tr>
<tr align="center" class="fondo_celda_3">
<td width="50%" align="center"
class="texto_negro">
<!-- <input onFocus = "javascript:
HMSTeclas.BloquearTeclas ( 'ON' );" onBlur = "javascript:
HMSTeclas.BloquearTeclas ( 'OFF' );" value="<%//= rVO != null ?
Metodos.printString ( rVO.getNombre () ) : "" %>" name="txtNombre"
type="text" class="text_field" id="txtNombre" size="40" maxlength="50">-->
</td>
<td width="50%" align="center"
class="texto_negro">
<!--<input onFocus = "javascript:
HMSTeclas.BloquearTeclas ( 'ON' );" onBlur = "javascript:
HMSTeclas.BloquearTeclas ( 'OFF' );" value="<%//= rVO != null ?
Metodos.printString ( rVO.getDescripcion () ) : "" %>"
name="txtDescripcion" type="text" class="text_field" id="txtDescripcion"
size="40" maxlength="100">-->
</td>
</tr>
<tr>
<td colspan="2"><iframe
src="gro_edi_con.jsp?inicio=1" name="seccionRegistro"
id="seccionRegistro" width="0%" height="0%" frameborder="0" ></iframe></td>
</tr>
</table>
</td>
</tr>
<!--<input type="hidden" name="txtIdRol" id="txtIdRol"
value="" >
<input type="hidden" name="txtOperacion"
id="txtOperacion" value="" >
</form> -->
</table>
</f:verbatim>
</f:view>
</body>
</html>
<script language="javascript">
//--> Crea una instancia en la pagina padre del iframe de
almacenamiento y del formulario actual
parent.HMSRegistro = HMSobjetos.GetObjeto (
'seccionRegistro' );
parent.HMSFormulario = HMSobjetos.GetObjeto ( 'frmRol' );
</script>
Si alguien me puede colaborar les agradezco.
