Erro ao executar projeto Vaadin

[Robinho de Morais]

Pessoal..

Após executar o projeto no tom cat pelo eclipse ele está dando esse erro:

HTTP Status 404 - 

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type Status report

message 

description The requested resource is not available.

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Apache Tomcat/7.0.37

o log....

26/03/2013 23:14:20 org.apache.catalina.core.AprLifecycleListener init

INFO: Loaded APR based Apache Tomcat Native library 1.1.27 using APR version 1.4.6.

26/03/2013 23:14:20 org.apache.catalina.core.AprLifecycleListener init

INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].

26/03/2013 23:14:20 org.apache.tomcat.util.digester.SetPropertiesRule begin

AVISO: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:MeuProjeto' did not find a matching property.

26/03/2013 23:14:20 org.apache.catalina.core.AprLifecycleListener initializeSSL

INFO: OpenSSL successfully initialized (OpenSSL 1.0.1d 5 Feb 2013)

26/03/2013 23:14:20 org.apache.coyote.AbstractProtocol init

INFO: Initializing ProtocolHandler ["http-apr-8080"]

26/03/2013 23:14:20 org.apache.coyote.AbstractProtocol init

INFO: Initializing ProtocolHandler ["ajp-apr-8009"]

26/03/2013 23:14:20 org.apache.catalina.startup.Catalina load

INFO: Initialization processed in 666 ms

26/03/2013 23:14:20 org.apache.catalina.core.StandardService startInternal

INFO: Starting service Catalina

26/03/2013 23:14:20 org.apache.catalina.core.StandardEngine startInternal

INFO: Starting Servlet Engine: Apache Tomcat/7.0.37

26/03/2013 23:14:20 org.apache.catalina.startup.HostConfig deployDirectory

INFO: Deploying web application directory C:\tomcat7\webapps\docs

26/03/2013 23:14:21 org.apache.catalina.startup.HostConfig deployDirectory

INFO: Deploying web application directory C:\tomcat7\webapps\examples

26/03/2013 23:14:21 org.apache.catalina.core.ApplicationContext log

INFO: ContextListener: contextInitialized()

26/03/2013 23:14:21 org.apache.catalina.core.ApplicationContext log

INFO: SessionListener: contextInitialized()

26/03/2013 23:14:21 org.apache.catalina.core.ApplicationContext log

INFO: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@599855ed')

26/03/2013 23:14:21 org.apache.catalina.startup.HostConfig deployDirectory

INFO: Deploying web application directory C:\tomcat7\webapps\host-manager

26/03/2013 23:14:21 org.apache.catalina.startup.HostConfig deployDirectory

INFO: Deploying web application directory C:\tomcat7\webapps\manager

26/03/2013 23:14:21 org.apache.catalina.startup.HostConfig deployDirectory

INFO: Deploying web application directory C:\tomcat7\webapps\ROOT

26/03/2013 23:14:21 org.apache.coyote.AbstractProtocol start

INFO: Starting ProtocolHandler ["http-apr-8080"]

26/03/2013 23:14:21 org.apache.coyote.AbstractProtocol start

INFO: Starting ProtocolHandler ["ajp-apr-8009"]

26/03/2013 23:14:21 org.apache.catalina.startup.Catalina start

INFO: Server startup in 713 ms

o que pode ser ?

Alguém pode me ajudar ?