i experienced the same issue. i got around it by adding this to my context.xml (big thanks to Nick Heudecker): <context ....> <manager className="*org.apache.catalina.session.PersistentManager" saveOnRestart="false"/> </context>
see http://tomcat.apache.org/tomcat-6.0-doc/config/manager.html gerolf * On Wed, Feb 20, 2008 at 4:46 PM, Sébastien Piller <[EMAIL PROTECTED]> wrote: > Hello, > > I've a problem with the DatePicker component. Every time I reload my > application (in Eclipse -> Run -> 'My project' on MyEclipse Tomcat, or with > an application undeploy/redeploy on Tomcat), I got the stacktrace below. > > java.lang.NoClassDefFoundError: > org.apache.wicket.extensions.yui.calendar.DatePicker > at booby.dbadmin.people.FormPerson.(FormPerson.java:174) > at cosimoo.wizardorderprocess.WizardOrderProcess$Address.( > WizardOrderProcess.java:90) > at cosimoo.wizardorderprocess.WizardOrderProcess.( > WizardOrderProcess.java:693) > at cosimoo.PagePassOrderOrCustomizeNewProduct$1.onClick( > PagePassOrderOrCustomizeNewProduct.java:21) > at org.apache.wicket.markup.html.link.Link.onLinkClicked(Link.java > :214) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at org.apache.wicket.RequestListenerInterface.invoke( > RequestListenerInterface.java:183) > at > org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents > (ListenerInterfaceRequestTarget.java:73) > at > org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents( > AbstractRequestCycleProcessor.java:90) > at org.apache.wicket.RequestCycle.processEventsAndRespond( > RequestCycle.java:1166) > at org.apache.wicket.RequestCycle.step(RequestCycle.java:1241) > at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316) > at org.apache.wicket.RequestCycle.request(RequestCycle.java:493) > at org.apache.wicket.protocol.http.WicketFilter.doGet( > WicketFilter.java:354) > at org.apache.wicket.protocol.http.WicketFilter.doFilter( > WicketFilter.java:194) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > ApplicationFilterChain.java:235) > at org.apache.catalina.core.ApplicationFilterChain.doFilter( > ApplicationFilterChain.java:206) > at org.apache.catalina.core.StandardWrapperValve.invoke( > StandardWrapperValve.java:230) > at org.apache.catalina.core.StandardContextValve.invoke( > StandardContextValve.java:175) > at org.apache.catalina.core.StandardHostValve.invoke( > StandardHostValve.java:128) > at org.apache.catalina.valves.ErrorReportValve.invoke( > ErrorReportValve.java:104) > at org.apache.catalina.core.StandardEngineValve.invoke( > StandardEngineValve.java:109) > at org.apache.catalina.connector.CoyoteAdapter.service( > CoyoteAdapter.java:261) > at org.apache.coyote.http11.Http11Processor.process( > Http11Processor.java:844) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process( > Http11Protocol.java:581) > at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java > :447) > at java.lang.Thread.run(Unknown Source) > > However, I'm sure that class is in my path... I can see it under > /libs/wicket-extensions-1.3.1.jar. And if I make a clean start (ie stop > tomcat, manually clean the webapps folder, restart tomcat and copy my > file.war), then everything works fine. > > Is it a classloader issue or something like that? How to avoid this? > --------------------------------------------------------------------- To > unsubscribe, e-mail: [EMAIL PROTECTED] For additional > commands, e-mail: [EMAIL PROTECTED]
