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java.lang.NoSuchFieldError: name	at org.slf4j.impl.Log4jLoggerAdapter.(Log4jLoggerAdapter.java:75)	at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:75)	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:103)	at org.apache.wicket.protocol.http.WicketFilter.(WicketFilter.java:97)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)	at java.lang.Class.newInstance0(Class.java:355)	at java.lang.Class.newInstance(Class.java:308)	at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)	at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:92)	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:579)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:498)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmentForProject(DefaultLifecycleExecutor.java:265)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:191)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:149)	at org.apache.maven.DefaultMaven.execute_aroundBody0(DefaultMaven.java:223)	at org.apache.maven.DefaultMaven.execute_aroundBody1$advice(DefaultMaven.java:304)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:1)	at org.apache.maven.embedder.MavenEmbedder.execute_aroundBody2(MavenEmbedder.java:904)	at org.apache.maven.embedder.MavenEmbedder.execute_aroundBody3$advice(MavenEmbedder.java:304)	at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:1)	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:176)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:63)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:52)