HELP!-really urgent- problem while deployng

Question

I'm using jdeveloper 10g.
I've depoyed a lot of tim e my application to the server.
Now,when I try to deploy,I get a lot of compile errors like
invalid element 'uri' in content of 'taglib' expected elements '[validator,listener,tag]'
(Unable to load class taghandler http://java.sun.com/jsf/html)
same thing for every jsf-html tag and tiles tag.
Is it a problem in web.xml?
web.xml
<?xml version = '1.0' encoding = 'windows-1252'?>
<!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>
<description>web.xml per view realizzato con JSF</description>
<context-param>
<param-name>tree.control.images</param-name>
<param-value>/images</param-value>
</context-param>
<filter>
<filter-name>logFilter</filter-name>
<filter-class>demo.filters.LoggingFilter</filter-class>
</filter>
<filter>
<filter-name>authFilter</filter-name>
<filter-class>demo.filters.AuthorizationFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>logFilter</filter-name>
<url-pattern>/faces/track/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>authFilter</filter-name>
<url-pattern>/faces/track/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>authFilter</filter-name>
<url-pattern>/faces/reserved/*</url-pattern>
</filter-mapping>
<!-- listener di inizializzazione applicazione -->
<listener>
<listener-class>demo.controller.StartUpListener</listener-class>
</listener>
<servlet>
<servlet-name>tiles</servlet-name>
<servlet-class>org.apache.struts.tiles.TilesServlet</servlet-class>
<init-param>
<param-name>definitions-config</param-name>
<param-value>/WEB-INF/tiles-defs.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet>
<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>/faces/*</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>faces/welcome.jsp</welcome-file>
</welcome-file-list>
<error-page>
<exception-type>javax.servlet.ServletException</exception-type>
<location>/error.jsp</location>
</error-page>
<error-page>
<exception-type>javax.faces.FacesException</exception-type>
<location>/error.jsp</location>
</error-page>
<error-page>
<exception-type>java.io.IOException</exception-type>
<location>/error2.jsp</location>
</error-page>
<taglib>
<taglib-uri>http://java.sun.com/jsf/html</taglib-uri>
<taglib-location>/WEB-INF/html_basic.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jsf/core</taglib-uri>
<taglib-location>/WEB-INF/jsf_core.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/WEB-INF/struts-tiles.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
</taglib>
</web-app>
please,help!

Answer 1

Add the JSF-Html and JSF-Core jar files to the Classpath.