Servidor Tomcat não acha o jar ....java.lang.ClassNotFoundException: br.gov.framework.demoiselle.web

Olá,

peguei um projeto para teste e todos os jars estão no diretório lib da aplicação
mais mesmo assim dá essa mensagem de erro.

Já verifiquei o jar que esxiste essa classe está no projeto porque o tomcat não consegui
verificar esse jar.

estou usando tomcat 6,java 6,eclipse 3.4.1.

Se alguém puder me ajudar agradeceria.

abs

17/Nov/2010 4:53:39 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class br.gov.framework.demoiselle.web.init.WebInitializationServletConte
			xtListener
java.lang.ClassNotFoundException: br.gov.framework.demoiselle.web.init.WebInitializationServletConte
			xtListener
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1645)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4078)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4630)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:905)
	at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:740)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:500)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
	at org.apache.catalina.core.StandardService.start(StandardService.java:519)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

mesmo ioncluindo no path build project conforme abaixo não encontra a classe dentro do jar.

Alguém pode me ajudar…

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry excluding="main/resource/" kind="src" path="src"/>
	<classpathentry kind="src" path="src/main/resource"/>
	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jre6"/>
	<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v6.0"/>
	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
	<classpathentry kind="lib" path="C:/workspace1/escola_nw/WebContent/WEB-INF/lib/demoiselle-web-1.0.3.jar"/>
	<classpathentry kind="output" path="build/classes"/>
</classpath>