Problemas com o arquivo web.xml

Programação Java
#1 
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">
	<display-name>FinanceiroWeb</display-name>
	<servlet>
		<display-name>FacesServlet</display-name>
		<servlet-name>Faces Servlet</servlet-name>
		<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>Faces Servlet</servlet-name>
		<url-pattern>*.jsf</url-pattern>
	</servlet-mapping>
	<context-param>
		<param-name>javax.faces.PROJECT_STAGE</param-name>
		<param-value>Devlopment</param-value>
	</context-param>
	<filter>
		<filter-name>conexaoFilter</filter-name>
		<filter-class>financeiro.web.filter.ConexaoHibernateFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>conexaoFilter</filter-name>
		<url-pattern>*.jsf</url-pattern>
	</filter-mapping>

	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>default.html</welcome-file>
		<welcome-file>default.htm</welcome-file>
		<welcome-file>default.jsp</welcome-file>
	</welcome-file-list>
</web-app>

Apresenta a seguinte mensagem.

Configure Problem Severity for preference 'Invalid 
 welcome file'

Acontece quando adiciona as linhas do

Alguem me ajude…

#2