相关疑难解决方法(0)

我的web-inf目录中似乎没有Vaadin .css.哪里呢？

当我尝试在Jetty上运行我的项目时,我遇到了这个异常:

java.lang.ClassNotFoundException:默认

完整堆栈:

Launching Jetty with port 8080, context / and webapp path src/main/webapp
2011-07-19 16:49:56.832:INFO::Logging to STDERR via org.mortbay.log.StdErrLog
2011-07-19 16:49:56.841:INFO::jetty-6.1.26
2011-07-19 16:49:57.181:WARN::EXCEPTION 
java.lang.ClassNotFoundException: Default
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:401)
    at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:363)
    at org.mortbay.util.Loader.loadClass(Loader.java:91)
    at org.mortbay.util.Loader.loadClass(Loader.java:71)
    at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
    at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
    at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:736)
    at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
    at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
    at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
    at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
    at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
    at org.mortbay.jetty.Server.doStart(Server.java:224)
    at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    at   net.sourceforge.eclipsejetty.launch.JettyLauncherMain.launch(JettyLauncherMain.java:67)
at     net.sourceforge.eclipsejetty.launch.JettyLauncherMain.main(JettyLauncherMain.java:50) …