Thanks for the reply Martin. I don't get compilation error but runtime error when I try to start my project with Wicket 6.
Here is the stack trace: java.lang.ClassNotFoundException: org.apache.wicket.IClusterable java.net.URLClassLoader$1.run(Unknown Source) java.net.URLClassLoader$1.run(Unknown Source) java.security.AccessController.doPrivileged(Native Method) java.net.URLClassLoader.findClass(Unknown Source) java.lang.ClassLoader.loadClass(Unknown Source) sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) java.lang.ClassLoader.loadClass(Unknown Source) java.lang.ClassLoader.defineClass1(Native Method) java.lang.ClassLoader.defineClass(Unknown Source) java.security.SecureClassLoader.defineClass(Unknown Source) java.net.URLClassLoader.defineClass(Unknown Source) java.net.URLClassLoader.access$100(Unknown Source) java.net.URLClassLoader$1.run(Unknown Source) java.net.URLClassLoader$1.run(Unknown Source) java.security.AccessController.doPrivileged(Native Method) java.net.URLClassLoader.findClass(Unknown Source) java.lang.ClassLoader.loadClass(Unknown Source) sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) java.lang.ClassLoader.loadClass(Unknown Source) com.googlecode.wicket.jquery.ui.JQueryBehavior.<init>(JQueryBehavior.java:54) com.googlecode.wicket.jquery.ui.dialog.AbstractDialog$1.<init>(AbstractDialog.java:231) com.googlecode.wicket.jquery.ui.dialog.AbstractDialog.newWidgetBehavior(AbstractDialog.java:231) com.googlecode.wicket.jquery.ui.dialog.AbstractDialog.onInitialize(AbstractDialog.java:116) org.apache.wicket.Component.fireInitialize(Component.java:863) org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:967) org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:963) org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:144) org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:123) org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:882) org.apache.wicket.MarkupContainer.internalInitialize(MarkupContainer.java:962) org.apache.wicket.Page.internalPrepareForRender(Page.java:245) org.apache.wicket.Component.render(Component.java:2289) org.apache.wicket.Page.renderPage(Page.java:1021) org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:115) org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:237) org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:165) org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:814) org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:253) org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:210) org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:281) org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188) org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:245) -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Where-is-IClusterable-interface-located-in-Wicket-6-tp4652171p4652174.html Sent from the Users forum mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org