Error on startup: NPE, configuration can not be null

2007-02-23 18:11:34.480::WARN: Failed startup of context org.mortbay.jetty.webapp.WebAppContext@92af24

{/,/home/lecarma/workspace/mergere/OSS/apache/archiva/trunk/archiva-webapp/src/main/webapp}

java.lang.NullPointerException: configuration can not be null
at org.codehaus.plexus.registry.commons.CommonsConfigurationRegistry.<init>(CommonsConfigurationRegistry.java:89)
at org.codehaus.plexus.registry.commons.CommonsConfigurationRegistry.getSection(CommonsConfigurationRegistry.java:422)
at org.apache.maven.archiva.configuration.DefaultArchivaConfiguration.addChangeListener(DefaultArchivaConfiguration.java:86)
at org.apache.maven.archiva.scheduler.DefaultRepositoryTaskScheduler.start(DefaultRepositoryTaskScheduler.java:91)
at org.codehaus.plexus.personality.plexus.lifecycle.phase.StartPhase.execute(StartPhase.java:33)
at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:130)
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:143)
at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:133)
at org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:87)
at org.codehaus.plexus.DefaultComponentLookupManager.lookup(DefaultComponentLookupManager.java:101)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:313)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:291)
at org.codehaus.plexus.container.initialization.StartLoadOnStartComponentsPhase.execute(StartLoadOnStartComponentsPhase.java:54)
at org.codehaus.plexus.DefaultPlexusContainer.initializePhases(DefaultPlexusContainer.java:928)
at org.codehaus.plexus.DefaultPlexusContainer.initialize(DefaultPlexusContainer.java:876)
at org.codehaus.plexus.DefaultPlexusContainer.construct(DefaultPlexusContainer.java:853)
at org.codehaus.plexus.DefaultPlexusContainer.<init>(DefaultPlexusContainer.java:222)
at org.codehaus.plexus.DefaultPlexusContainer.<init>(DefaultPlexusContainer.java:236)
at org.codehaus.plexus.xwork.PlexusLifecycleListener.contextInitialized(PlexusLifecycleListener.java:76)
at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:511)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1191)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:481)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:434)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
at org.mortbay.jetty.plugin.Jetty6PluginWebApplication.start(Jetty6PluginWebApplication.java:147)
at org.mortbay.jetty.plugin.AbstractJettyRunMojo$1.changesDetected(AbstractJettyRunMojo.java:372)
at org.mortbay.jetty.plugin.util.Scanner.run(Scanner.java:159)

This causes a 404