I didn't solve the problem , I just used a  normal DataTable .

On 19 August 2011 17:44, Dan Retzlaff [via Apache Wicket] <
[email protected]> wrote:

> If you put a breakpoint where the NullPointerException is thrown, your
> debugger should show you the call stack which tells you the sequence of
> calls that got you there. In your particular case, the crux is the
> "Collections.sort(newList, comparator)" call which sorts newList using your
>
> custom comparator. I'd guess that newList contains an object that is
> missing
> a property required by your comparator.
>
> On Fri, Aug 19, 2011 at 8:37 AM, aabfattah <
> [hidden email] <http://user/SendEmail.jtp?type=node&node=3755502&i=0>>
> wrote:
>
> > I did so but it's a bit confusing . Is there any book or a tutorial that
> > describes the sequence of calls of the framework ? And how should my code
>
> > flow ?
> >
> > On 19 August 2011 17:04, Dan Retzlaff [via Apache Wicket] <
> > [hidden email] <http://user/SendEmail.jtp?type=node&node=3755502&i=1>>
> wrote:
> >
> > > Hi Ahmed,
> > >
> > > I recommend running Wicket in an IDE with a debugger and stepping
> through
> > > your code. Personally I deploy my Wicket applications into an Apache
> > Tomcat
> > >
> > > server set up within Eclipse. There are many other servlet containers
> and
> > > IDEs that will work though.
> > >
> > > Dan
> > >
> > > On Fri, Aug 19, 2011 at 1:16 AM, aabfattah <
> > > [hidden email] <http://user/SendEmail.jtp?type=node&node=3755408&i=0>>
>
> > > wrote:
> > >
> > > > Sorry for posting a lot , I just made a new project to work around
> the
> > > > problem but now I get an exception and that's seem a *bug from the
> > code*
> > > >
> > > > Unexpected RuntimeException
> > > >
> > > > Last cause: null
> > > > WicketMessage: Error attaching this container for rendering:
> > > > [WebMarkupContainer [Component id = body]]
> > > >
> > > > Stacktrace
> > > >
> > > > Root cause:
> > > >
> > > > java.lang.NullPointerException
> > > >     at
> > > >
> > >
> >
> com.ahmed.task.main3.UserProvider$SortableDataProviderComparator.compare(UserProvider.java:21)
>
> > >
> > > >     at
> > > >
> > >
> >
> com.ahmed.task.main3.UserProvider$SortableDataProviderComparator.compare(UserProvider.java:1)
>
> > >
> > > >     at java.util.Arrays.mergeSort(Unknown Source)
> > > >     at java.util.Arrays.sort(Unknown Source)
> > > >     at java.util.Collections.sort(Unknown Source)
> > > >     at
> com.ahmed.task.main3.UserProvider.iterator(UserProvider.java:57)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.data.DataViewBase$ModelIterator.<init>(DataViewBase.java:109)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.data.DataViewBase.getItemModels(DataViewBase.java:76)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.AbstractPageableView.getItemModels(AbstractPageableView.java:101)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:93)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:119)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:115)
>
> > >
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1746)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1746)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1746)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at org.apache.wicket.Page.onBeforeRender(Page.java:848)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > org.apache.wicket.Component.internalPrepareForRender(Component.java:2251)
>
> > >
> > > >     at org.apache.wicket.Page.internalPrepareForRender(Page.java:285)
>
> > > >     at org.apache.wicket.Component.render(Component.java:2338)
> > > >     at org.apache.wicket.Page.renderPage(Page.java:1060)
> > > >      at
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:219)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:717)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:216)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:474)
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:935)
>
> > >
> > > >     at
> > > >
> > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:184)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:870)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
>
> > >
> > > >     at org.eclipse.jetty.server.Server.handle(Server.java:346)
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:596)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1051)
>
> > >
> > > >     at
> org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592)
> > > >     at
> > > > org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)
>
> > > >     at
> > > >
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:426)
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:520)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:528)
>
> > >
> > > >     at java.lang.Thread.run(Unknown Source)
> > > >
> > > > Complete stack:
> > > >
> > > > org.apache.wicket.WicketRuntimeException: Error attaching this
> > > > container for rendering: [WebMarkupContainer [Component id = body]]
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1758)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1746)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1746)
>
> > >
> > > >     at
> org.apache.wicket.Component.onBeforeRender(Component.java:3837)
> > > >     at org.apache.wicket.Page.onBeforeRender(Page.java:848)
> > > >     at
> > > > org.apache.wicket.Component.internalBeforeRender(Component.java:1063)
>
> > > >     at org.apache.wicket.Component.beforeRender(Component.java:1097)
> > > >     at
> > > >
> > org.apache.wicket.Component.internalPrepareForRender(Component.java:2251)
>
> > >
> > > >     at org.apache.wicket.Page.internalPrepareForRender(Page.java:285)
>
> > > >     at org.apache.wicket.Component.render(Component.java:2338)
> > > >     at org.apache.wicket.Page.renderPage(Page.java:1060)
> > > >      at
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:219)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:717)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
>
> > >
> > > >     at
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
>
> > >
> > > >
> > > >
> > > >
> > > > On 19 August 2011 09:55, Ahmed Abdelfattah <
> > > > [hidden email] <http://user/SendEmail.jtp?type=node&node=3755408&i=1>>
>
> > > wrote:
> > > >
> > > > > Hmm.... wait they are different versions . I fixed that but now I
> get
> > a
> > >
> > > > > compile error !
> > > > >
> > > > > Failed to execute goal
> > > > > org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile
> > > > > (default-compile) on project mainpage2: Compilation failure
> > > > > [ERROR] Unable to locate the Javac Compiler in:
> > > > > [ERROR] C:\Program Files\Java\jre6\..\lib\tools.jar
> > > > > [ERROR] Please ensure you are using JDK 1.4 or above and
> > > > > [ERROR] not a JRE (the com.sun.tools.javac.Main class is required).
>
> > > > > [ERROR] In most cases you can change the location of your Java
> > > > > [ERROR] installation by setting the JAVA_HOME environment variable.
>
> > > > >
> > > > > On 19 August 2011 09:30, Ahmed Abdelfattah <
> > > > > [hidden email] <
> http://user/SendEmail.jtp?type=node&node=3755408&i=2
>
> > >>
> > > wrote:
> > > > >
> > > > >> They both have the same version 1.5RC-1
> > > > >>
> > > > >> On 19 August 2011 03:06, Dan Retzlaff [via Apache Wicket] <
> > > > >> [hidden email] <
> > http://user/SendEmail.jtp?type=node&node=3755408&i=3>>
> > > wrote:
> > > > >>
> > > > >>> It looks like you have multiple versions of the Wicket JARs on
> your
> > > > >>> classpath. Since that function was removed in
> > > > >>> https://issues.apache.org/jira/browse/WICKET-3702, I'd guess
> that
> > > your
> > > > >>> extensions JAR is older than your main wicket JAR.
> > > > >>>
> > > > >>> Hope that helps,
> > > > >>> Dan
> > > > >>>
> > > > >>> On Thu, Aug 18, 2011 at 5:47 PM, aabfattah <
> > > > >>> [hidden email] <
> > http://user/SendEmail.jtp?type=node&node=3754040&i=0>>
> > >
> > > > >>> wrote:
> > > > >>>
> > > > >>> > Hello , I copied some code from a tutorial about creating a
> > simple
> > > > >>> > datatable
> > > > >>> > from here
> > > > >>> >
> > > >
> https://cwiki.apache.org/WICKET/simple-sortable-datatable-example.html
> > > > >>> >
> > > > >>> > Also , I tried the example in repeaters section in wicketstuff
> > > > website
> > > > >>> >
> > > > >>> > But I get the same exact exception in the 2 projects . Can
> > anybody
> > > > help
> > > > >>> as
> > > > >>> > I
> > > > >>> > am new to wicket ?
> > > > >>> >
> > > > >>> > Last cause:
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder.addToBorder([Lorg/apache/wicket/Component;)Lorg/apache/wicket/MarkupContainer;
>
> > >
> > > > >>>
> > > > >>> > WicketMessage: Can't instantiate page using constructor public
> > > > >>> > foo.DataTablePage()
> > > > >>> >
> > > > >>> > StackTrace:
> > > > >>> >
> > > > >>> > Root cause:
> > > > >>> >
> > > > >>> > java.lang.NoSuchMethodError:
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder.addToBorder([Lorg/apache/wicket/Component;)Lorg/apache/wicket/MarkupContainer;
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder.<init>(OrderByBorder.java:58)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder.<init>(OrderByBorder.java:106)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar$2.<init>(HeadersToolbar.java:115)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar.newSortableHeader(HeadersToolbar.java:110)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar.<init>(HeadersToolbar.java:67)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable.<init>(DefaultDataTable.java:64)
>
> > >
> > > > >>>
> > > > >>> >     at foo.DataTablePage.<init>(DataTablePage.java:22)
> > > > >>> >     at java.lang.reflect.Constructor.newInstance(Unknown
> Source)
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:155)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:59)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:95)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:43)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:107)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:266)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:160)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:219)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:717)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:216)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:474)
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:935)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>>
> > > >
> > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404)
>
> > >
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:184)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:870)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
>
> > >
> > > > >>>
> > > > >>> >     at org.eclipse.jetty.server.Server.handle(Server.java:346)
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:596)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1051)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592)
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)
> > > > >>> >     at
> > > > >>> >
> > > >
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:426)
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:520)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:528)
>
> > >
> > > > >>>
> > > > >>> >     at java.lang.Thread.run(Unknown Source)
> > > > >>> >
> > > > >>> > Complete stack:
> > > > >>> >
> > > > >>> > org.apache.wicket.WicketRuntimeException: Can't instantiate
> page
> > > > using
> > > > >>> > constructor public foo.DataTablePage()
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:173)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:59)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:95)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:43)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:107)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:266)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:160)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:219)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:717)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
>
> > >
> > > > >>>
> > > > >>> >
> > > > >>> > java.lang.reflect.InvocationTargetException
> > > > >>> >     at
> > > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> > > > >>> > Method)
> > > > >>> >     at
> > > sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
> > > > >>> > Source)
> > > > >>> >     at java.lang.reflect.Constructor.newInstance(Unknown
> Source)
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:155)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:59)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:95)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:43)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:107)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:266)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:160)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:219)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:139)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:717)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:63)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:253)
>
> > >
> > > > >>>
> > > > >>> >     at
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
>
> > >
> > > > >>>
> > > > >>> >
> > > > >>> > --
> > > > >>> > View this message in context:
> > > > >>> >
> > > > >>>
> > > >
> > >
> >
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3754012.html
> > > > >>> > Sent from the Users forum mailing list archive at Nabble.com.
> > > > >>> >
> > > > >>> >
> > > ---------------------------------------------------------------------
> > > > >>> > To unsubscribe, e-mail: [hidden email]<
> > > > http://user/SendEmail.jtp?type=node&node=3754040&i=1>
> > > > >>> > For additional commands, e-mail: [hidden email]<
> > > > http://user/SendEmail.jtp?type=node&node=3754040&i=2>
> > > > >>> >
> > > > >>> >
> > > > >>>
> > > > >>>
> > > > >>> ------------------------------
> > > > >>>  If you reply to this email, your message will be added to the
> > > > >>> discussion below:
> > > > >>>
> > > > >>>
> > > >
> > >
> >
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3754040.html
> > > > >>>  To unsubscribe from Unexpected RuntimeException when trying a
> > > project
> > > > >>> with a DataTable, click here<
> > > >
> > > >.
> > > > >>>
> > > > >>>
> > > > >>
> > > > >>
> > > > >>
> > > > >> --
> > > > >> Ahmed Abdelfattah
> > > > >>
> > > > >>
> > > > >>
> > > > >
> > > > >
> > > > > --
> > > > > Ahmed Abdelfattah
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Ahmed Abdelfattah
> > > >
> > > >
> > > > --
> > > > View this message in context:
> > > >
> > >
> >
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3754584.html
> > >
> > > > Sent from the Users forum mailing list archive at Nabble.com.
> > > >
> > > > ---------------------------------------------------------------------
>
> > > > To unsubscribe, e-mail: [hidden email]<
> > http://user/SendEmail.jtp?type=node&node=3755408&i=4>
> > > > For additional commands, e-mail: [hidden email]<
> > http://user/SendEmail.jtp?type=node&node=3755408&i=5>
> > > >
> > > >
> > >
> > >
> > > ------------------------------
> > >  If you reply to this email, your message will be added to the
> discussion
> > > below:
> > >
> > >
> >
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3755408.html
> > >  To unsubscribe from Unexpected RuntimeException when trying a project
> > with
> > > a DataTable, click here<
> >
> >.
> > >
> > >
> >
> >
> >
> > --
> > Ahmed Abdelfattah
> >
> >
> > --
> > View this message in context:
> >
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3755486.html
>
> > Sent from the Users forum mailing list archive at Nabble.com.
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: [hidden 
> > email]<http://user/SendEmail.jtp?type=node&node=3755502&i=2>
> > For additional commands, e-mail: [hidden 
> > email]<http://user/SendEmail.jtp?type=node&node=3755502&i=3>
> >
> >
>
>
> ------------------------------
>  If you reply to this email, your message will be added to the discussion
> below:
>
> http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3755502.html
>  To unsubscribe from Unexpected RuntimeException when trying a project with
> a DataTable, click 
> here<http://apache-wicket.1842946.n4.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=3754012&code=YWhtZWQuYWJkZWxmYXR0YWguZWxzaGVtaXN5QGdtYWlsLmNvbXwzNzU0MDEyfDI4MjAxMzAzNQ==>.
>
>



-- 
Ahmed Abdelfattah


--
View this message in context: 
http://apache-wicket.1842946.n4.nabble.com/Unexpected-RuntimeException-when-trying-a-project-with-a-DataTable-tp3754012p3758323.html
Sent from the Users forum mailing list archive at Nabble.com.

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to