I don't think I've seen this on our server before, but I got this
today (we're 1.4-m2, since I haven't had time to upgrade us to m3):
java.lang.NoClassDefFoundError: org/apache/wicket/util/lang/PropertyResolver
at org.apache.wicket.Application.internalDestroy(Application.java:905)
at
org.apache.wicket.protocol.http.WebApplication.internalDestroy(WebApplication.java:476)
at
org.apache.wicket.protocol.http.WicketFilter.destroy(WicketFilter.java:143)
at
org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:253)
at
org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3670)
at
org.apache.catalina.core.StandardContext.stop(StandardContext.java:4354)
at
org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)
at
org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1180)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1151)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1055)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at
org.apache.catalina.core.StandardService.stop(StandardService.java:510)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
at org.apache.catalina.startup.Catalina.start(Catalina.java:577)
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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
