it is due to migration to scala 2.7.3
try to use scalaVersion 2.7.3 and  lift 0.10 (no SNAPSHOT)
then rebuild : mvn clean package jetty:run

/davidB

On Thu, Jan 15, 2009 at 10:16, O'Rorke Paul <p...@ororke.com> wrote:
>
> I'm starting to see an issue with jetty choking when it fires up the
> lift servlet filter.
> Is anyone else seeing this?
> I have just been using mvn clean install and mvn jetty:run so I'm
> wondering if something got downloaded by maven that might cause this
> (perhaps a new version of Jetty?)
> All my Cans are Boxes and I changed the LiftRules appends in my code.
> It's a simple extension of the todo example that I'm using to learn
> lift and scala and was working fine until now.
> Going back to previous versions, even of another project, have
> produced the same error so I'm wondering if this is exogenous.
> [I'm really starting to think it's a mistake for me to be bringing in
> "latest" versions of things so I will probably tie Maven down to set
> versions of everything going forward.]
> ---Paul O
>
> the warnings below appear to be fatal as visiting the webapp turns up
> a 404.
>
> [INFO] Starting jetty 6.1H.14.1 ...
> 2009-01-15 01:00:22.247::INFO:  jetty-6.1H.14.1
> 2009-01-15 01:00:22.445::INFO:  No Transaction manager found - if your
> webapp requires one, please configure one.
> 2009-01-15 01:00:22.744::WARN:  failed LiftFilter
> java.lang.VerifyError: (class: net/liftweb/util/EmptyBox, method: open_
> $bang signature: ()Ljava/lang/Object;) Can only throw Throwable objects
>        at net.liftweb.http.LiftRules$.<init>(LiftRules.scala:171)
>        at net.liftweb.http.LiftRules$.<clinit>(LiftRules.scala)
>        at net.liftweb.http.LiftFilter.init(LiftServlet.scala:516)
>        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org
> .mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:
> 620)
>        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>        at
> org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:
> 1234)
>        at
> org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:
> 517)
>        at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> 460)
>        at
> org
> .mortbay
> .jetty
> .plugin
> .Jetty6PluginWebAppContext.doStart(Jetty6PluginWebAppContext.java:124)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org
> .mortbay
> .jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>        at
> org
> .mortbay
> .jetty
> .handler
> .ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org
> .mortbay
> .jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>        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:222)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org
> .mortbay.jetty.plugin.Jetty6PluginServer.start(Jetty6PluginServer.java:
> 132)
>        at
> org
> .mortbay
> .jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:379)
>        at
> org
> .mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:
> 321)
>        at
> org
> .mortbay
> .jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRunMojo.java:
> 205)
>        at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:
> 184)
>        at
> org
> .apache
> .maven
> .plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:
> 558)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor
> .executeStandaloneGoal(DefaultLifecycleExecutor.java:512)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:482)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor
> .executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor
> .executeTaskSegments(DefaultLifecycleExecutor.java:291)
>        at
> org
> .apache
> .maven
> .lifecycle
> .DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun
> .reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
> 39)
>        at
> sun
> .reflect
> .DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
> 25)
>        at java.lang.reflect.Method.invoke(Method.java:585)
>        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:
> 430)
>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
>
> >
>

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