You can write a context listener that prints the class path entries (most class loaders are URLClassLoaders)
Sent from tablet device. Please excuse typos and brevity. On Feb 28, 2012 10:47 PM, "Andre Schütz" <schuetz.an...@gmx.net> wrote: > Hi, > > thank you for the answer. I defined Wicket 1.5.3 in the pom.xml. There is > no other version defined on my system. Do you have any proposals, where I > should check for another version on the system? > > On Thu, 23 Feb 2012 22:29:30 +0100 > Martin Grigorov <mgrigo...@apache.org> wrote: > > > Hi, > > > > Such kind of errors occur when you have several versions of Wicket in > > the classpath. > > > > 2012/2/23 "André Schütz" <andre-p...@gmx.de>: > > > Hello, > > > > > > I get the following error message during a start of the tomcat server > with a clean packed wicket application: > > > > > > /** > > > * BEGIN > > > */ > > > > > > Exception in thread "Thread-2" java.lang.NoClassDefFoundError: > org/apache/wicket/ApplicationListenerCollection$2 > > > at > org.apache.wicket.ApplicationListenerCollection.onBeforeDestroyed(ApplicationListenerCollection.java:44) > > > at > org.apache.wicket.Application.internalDestroy(Application.java:639) > > > at > org.apache.wicket.protocol.http.WebApplication.internalDestroy(WebApplication.java:563) > > > at > org.apache.wicket.protocol.http.WicketFilter.destroy(WicketFilter.java:478) > > > at > org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:357) > > > at > org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3873) > > > at > org.apache.catalina.core.StandardContext.stop(StandardContext.java:4605) > > > at > org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098) > > > at > org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098) > > > at > org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448) > > > at > org.apache.catalina.core.StandardService.stop(StandardService.java:584) > > > at > org.apache.catalina.core.StandardServer.stop(StandardServer.java:744) > > > at org.apache.catalina.startup.Catalina.stop(Catalina.java:643) > > > at > org.apache.catalina.startup.Catalina$CatalinaShutdownHook.run(Catalina.java:687) > > > Caused by: java.lang.ClassNotFoundException: > org.apache.wicket.ApplicationListenerCollection$2 > > > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484) > > > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329) > > > ... 14 more > > > > > > /** > > > * END > > > */ > > > > > > Any ideas about this error? > > > > > > Thanks, > > > Andre > > > -- > > > Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir > > > belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > > > > > > > -- > > Martin Grigorov > > jWeekend > > Training, Consulting, Development > > http://jWeekend.com > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > -- > Andre Schütz <schuetz.an...@gmx.net> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
