Problème d'affichage dans une JSP

Bonjour,

Je tente depuis plusieurs jours de remédier à un problème et ne trouve toujours pas...

J'ai une simple JSP :

Code:

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<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html:html>
<head>
<title>Struts Blank Application</title>
<html:base/>
</head>
<body>
 
<!--h3>Welcome!</h3-->
<h3><bean:message key="welcome.heading"/></h3>
 
</body>
</html:html>

Notez que je n'ai pas mis l'attribut locale="true" dans la balise <html:html>

Mes fichiers MessageResources.properties et MessageResources_fr.properties sont bien dans /src (ils apparaissent bien dans WEB-INF/classes/java) :

Code:

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# -- standard errors --
errors.header=<UL>
errors.prefix=<LI>
errors.suffix=</LI>
errors.footer=</UL>
# -- validator --
errors.invalid={0} is invalid.
errors.maxlength={0} can not be greater than {1} characters.
errors.minlength={0} can not be less than {1} characters.
errors.range={0} is not in the range {1} through {2}.
errors.required={0} is required.
errors.byte={0} must be an byte.
errors.date={0} is not a date.
errors.double={0} must be an double.
errors.float={0} must be an float.
errors.integer={0} must be an integer.
errors.long={0} must be an long.
errors.short={0} must be an short.
errors.creditcard={0} is not a valid credit card number.
errors.email={0} is an invalid e-mail address.
# -- other --
errors.cancel=Operation cancelled.
errors.detail={0}
errors.general=The process did not complete. Details should follow.
errors.token=Request could not be completed. Operation is not in sequence.
# -- welcome --
welcome.title=Struts Blank Application
welcome.heading=Welcome!

Dans le fichier struts-config.xml, j'ai bien :

Code:

<message-resources parameter="MessageResources" />

Le web.xml :

Code:

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<?xml version="1.0" encoding="ISO-8859-1"?>
 
  <!DOCTYPE web-app PUBLIC
	"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
	"http://java.sun.com/dtd/web-app_2_3.dtd">
 
<web-app>
  <servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <load-on-startup>2</load-on-startup>
 </servlet>
 
 
  <!-- Standard Action Servlet Mapping -->
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
 
 
  <!-- The Usual Welcome File List -->
  <welcome-file-list>
    <welcome-file>/pages/index.jsp</welcome-file>
  </welcome-file-list>
 
	<taglib>
	  	<taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>
		<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
	</taglib>
	<taglib>
	  	<taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
		<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
	</taglib>
	<taglib>
	  	<taglib-uri>/WEB-INF/struts-logic.tld</taglib-uri>
		<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
	</taglib>
</web-app>

Malheureusement, malgré des essais dans tous les sens, j'ai toujours cette énervante erreur :

Code:

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javax.servlet.ServletException: Missing message for key "welcome.heading" in bundle "(default bundle)" for locale fr
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:841)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:774)
	org.apache.jsp.pages.Welcome_jsp._jspService(Welcome_jsp.java:79)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.apache.struts.chain.commands.servlet.PerformForward.handleAsForward(PerformForward.java:99)
	org.apache.struts.chain.commands.servlet.PerformForward.perform(PerformForward.java:82)
	org.apache.struts.chain.commands.AbstractPerformForward.execute(AbstractPerformForward.java:51)
	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:48)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:280)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1858)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:446)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Si quelqu'un pouvait m'aider... J'en ai vraiment marre de tourner en rond...