Jetty: No such webapps resource file

Bonjour tout le monde,

je suis entrain de developper un application web avec Tapestry 5 et pour me faciliter la tache je deplois mon application sur jetty, j'utilise la version 6.1.21

mais je ne sais pas pourquoi ca ne marche pas avec moi :cry:
voila le code de l'erreur:

Code:

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2012-07-31 15:12:22.819:WARN::failed org.mortbay.jetty.deployer.WebAppDeployer@5535c2c7: java.lang.IllegalArgumentException: No such webapps resource file:/C:/cygwin/home/Hp/projects/project_core/project-core-root/project-core-ws-app/webapps
2012-07-31 15:12:22.825:INFO::Opened C:\cygwin\home\Hp\projects\project_core\project-core-root\project-core-ws-app\logs\2012_07_31.request.log
2012-07-31 15:12:22.838:INFO::Started SelectChannelConnector@0.0.0.0:8080
2012-07-31 15:12:22.839:INFO::Started SelectChannelConnector@0.0.0.0:8080
2012-07-31 15:12:22.839:WARN::failed Server@5cd4c8b0: java.lang.IllegalArgumentException: No such webapps resource file:/C:/cygwin/home/Hp/projects/project_core/project-core-root/project-core-ws-app/webapps
java.lang.IllegalArgumentException: No such webapps resource file:/C:/cygwin/home/Hp/projects/project_core/project-core-root/project-core-ws-app/webapps
	at org.mortbay.jetty.deployer.WebAppDeployer.scan(WebAppDeployer.java:155)
	at org.mortbay.jetty.deployer.WebAppDeployer.doStart(WebAppDeployer.java:139)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.Server.doStart(Server.java:201)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at runjettyrun.Bootstrap.main(Bootstrap.java:97)

et voila mon file jetty.xml

Code:

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<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">
 
<!-- =============================================================== -->
<!-- Configure the Jetty Server                                      -->
<!--                                                                 -->
<!-- Documentation of this file format can be found at:              -->
<!-- http://docs.codehaus.org/display/JETTY/jetty.xml                -->
<!--                                                                 -->
<!-- =============================================================== -->
 
 
<Configure id="Server" class="org.mortbay.jetty.Server">
 
    <!-- =========================================================== -->
    <!-- Server Thread Pool                                          -->
    <!-- =========================================================== -->
    <Set name="ThreadPool">
 
      <New class="org.mortbay.thread.QueuedThreadPool">
        <Set name="minThreads">10</Set>
        <Set name="maxThreads">200</Set>
        <Set name="lowThreads">20</Set>
      </New>
 
      <!-- Optional Java 5 bounded threadpool with job queue 
      <New class="org.mortbay.thread.concurrent.ThreadPool">
        <Set name="corePoolSize">50</Set>
        <Set name="maximumPoolSize">50</Set>
      </New>
      -->
    </Set>
 
 
 
    <!-- =========================================================== -->
    <!-- Set connectors                                              -->
    <!-- =========================================================== -->
    <!-- One of each type!                                           -->
    <!-- =========================================================== -->
 
    <!-- Use this connector for many frequently idle connections
         and for threadless continuations.
    -->    
    <Call name="addConnector">
    <Arg>
        <New class="org.mortbay.jetty.nio.SelectChannelConnector">
            <Set name="host"><SystemProperty name="jetty.host" /></Set>
            <Set name="port"><SystemProperty name="jetty.port" default="8080"/></Set>
            <Set name="maxIdleTime">30000</Set>
            <Set name="Acceptors">2</Set>
            <Set name="statsOn">false</Set>
            <Set name="confidentialPort">8443</Set>
            <Set name="lowResourcesConnections">5000</Set>
            <Set name="lowResourcesMaxIdleTime">5000</Set>
        </New>
    </Arg>
</Call>
 
	<!--
	<New id="db-ds" class="org.mortbay.jetty.plus.naming.Resource">
	-->
	<New id="db-ds" class="org.mortbay.jetty.plus.naming.Resource">
		<Arg></Arg>
		<Arg>java:db-ds</Arg>
		<Arg>
			 <New class="com.microsoft.sqlserver.jdbc.SQLServerConnectionPoolDataSource">
 
				<Set name="URL">jdbc:sqlserver://'db URL':1433;databaseName=db;user=user;password=pwd</Set>
 
			</New>
		</Arg>
   </New>
 
    <!-- Use this connector if NIO is not available. 
    <Call name="addConnector">
      <Arg>
          <New class="org.mortbay.jetty.bio.SocketConnector">
            <Set name="port">8081</Set>
            <Set name="maxIdleTime">50000</Set>
            <Set name="lowResourceMaxIdleTime">1500</Set>
          </New>
      </Arg>
    </Call>
    -->
 
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
    <!-- To add a HTTPS SSL listener                                     -->
    <!-- see jetty-ssl.xml to add an ssl connector. use                  -->
    <!-- java -jar start.jar etc/jetty.xml etc/jetty-ssl.xml             -->
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
 
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
    <!-- To allow Jetty to be started from xinetd                        -->
    <!-- mixin jetty-xinetd.xml:                                         -->
    <!--   java -jar start.jar etc/jetty.xml etc/jetty-xinetd.xml        -->
    <!--                                                                 -->
    <!-- See jetty-xinetd.xml for further instructions.                  -->
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
 
    <!-- =========================================================== -->
    <!-- Set up global session ID manager                            -->
    <!-- =========================================================== -->
    <!--
    <Set name="sessionIdManager">
      <New class="org.mortbay.jetty.servlet.HashSessionIdManager">
        <Set name="workerName">node1</Set>
      </New>
    </Set>
    -->
 
    <!-- =========================================================== -->
    <!-- Set handler Collection Structure                            --> 
    <!-- =========================================================== -->
    <Set name="handler">
      <New id="Handlers" class="org.mortbay.jetty.handler.HandlerCollection">
        <Set name="handlers">
         <Array type="org.mortbay.jetty.Handler">
           <Item>
             <New id="Contexts" class="org.mortbay.jetty.handler.ContextHandlerCollection"/>
           </Item>
           <Item>
             <New id="DefaultHandler" class="org.mortbay.jetty.handler.DefaultHandler"/>
           </Item>
           <Item>
             <New id="RequestLog" class="org.mortbay.jetty.handler.RequestLogHandler"/>
           </Item>
         </Array>
        </Set>
      </New>
    </Set>
 
    <!-- =========================================================== -->
    <!-- Configure the context deployer                              -->
    <!-- A context deployer will deploy contexts described in        -->
    <!-- configuration files discovered in a directory.              -->
    <!-- The configuration directory can be scanned for hot          -->
    <!-- deployments at the configured scanInterval.                 -->
    <!--                                                             -->
    <!-- This deployer is configured to deploy contexts configured   -->
    <!-- in the $JETTY_HOME/contexts directory                       -->
    <!--                                                             -->
    <!-- =========================================================== -->
    <Call name="addLifeCycle">
      <Arg>
        <New class="org.mortbay.jetty.deployer.ContextDeployer">
          <Set name="contexts"><Ref id="Contexts"/></Set>
          <Set name="configurationDir"><SystemProperty name="jetty.home" default="."/>/contexts</Set>
          <Set name="scanInterval">5</Set>
        </New>
      </Arg>
    </Call>
 
    <!-- =========================================================== -->
    <!-- Configure the webapp deployer.                              -->
    <!-- A webapp  deployer will deploy standard webapps discovered  -->
    <!-- in a directory at startup, without the need for additional  -->
    <!-- configuration files.    It does not support hot deploy or   -->
    <!-- non standard contexts (see ContextDeployer above).          -->
    <!--                                                             -->
    <!-- This deployer is configured to deploy webapps from the      -->
    <!-- $JETTY_HOME/webapps directory                               -->
    <!--                                                             -->
    <!-- Normally only one type of deployer need be used.            -->
    <!--                                                             -->
    <!-- =========================================================== -->
    <Call name="addLifeCycle">
      <Arg>
        <New class="org.mortbay.jetty.deployer.WebAppDeployer">
          <Set name="contexts"><Ref id="Contexts"/></Set>
          <Set name="webAppDir"><SystemProperty name="jetty.home" default="."/>/webapps</Set>
	  <Set name="parentLoaderPriority">false</Set>
	  <Set name="extract">true</Set>
	  <Set name="allowDuplicates">false</Set>
          <Set name="defaultsDescriptor"><SystemProperty name="jetty.home" default="."/>/etc/webdefault.xml</Set>
        </New>
      </Arg>
    </Call>
 
    <!-- =========================================================== -->
    <!-- Configure Authentication Realms                             -->
    <!-- Realms may be configured for the entire server here, or     -->
    <!-- they can be configured for a specific web app in a context  -->
    <!-- configuration (see $(jetty.home)/contexts/test.xml for an   -->
    <!-- example).                                                   -->
    <!-- =========================================================== -->
 
    <!--
    <Set name="UserRealms">
      <Array type="org.mortbay.jetty.security.UserRealm">
        <Item>
          <New class="org.mortbay.jetty.security.HashUserRealm">
            <Set name="name">Test Realm</Set>
            <Set name="config"><SystemProperty name="jetty.home" default="."/>/etc/realm.properties</Set>
            <Set name="refreshInterval">0</Set>
          </New>
        </Item>
      </Array>
    </Set>
    -->
 
    <!-- =========================================================== -->
    <!-- Configure Request Log                                       -->
    <!-- Request logs  may be configured for the entire server here, -->
    <!-- or they can be configured for a specific web app in a       -->
    <!-- contexts configuration (see $(jetty.home)/contexts/test.xml -->
    <!-- for an example).                                            -->
    <!-- =========================================================== -->
    <Ref id="RequestLog">
      <Set name="requestLog">
        <New id="RequestLogImpl" class="org.mortbay.jetty.NCSARequestLog">
          <Set name="filename"><SystemProperty name="jetty.logs" default="./logs"/>/yyyy_mm_dd.request.log</Set>
          <Set name="filenameDateFormat">yyyy_MM_dd</Set>
          <Set name="retainDays">90</Set>
          <Set name="append">true</Set>
          <Set name="extended">false</Set>
          <Set name="logCookies">false</Set>
          <Set name="LogTimeZone">GMT</Set>
        </New>
      </Set>
    </Ref>
 
    <!-- =========================================================== -->
    <!-- extra options                                               -->
    <!-- =========================================================== -->
    <Set name="stopAtShutdown">true</Set>
    <Set name="sendServerVersion">true</Set>
    <Set name="sendDateHeader">true</Set>
    <Set name="gracefulShutdown">1000</Set>
 
</Configure>

Je travail sur eclipse juno.
J'ai besoin de votre aide svp.