I can share quickstart if it will save your time Thanks for helping!
On Tue, Oct 27, 2015 at 6:38 PM, Maxim Solodovnik <solomax...@gmail.com> wrote: > Here you are: > https://gist.github.com/solomax/832efd4e11c94accac9b#file-homepage-java-L27 > (line 27 produces NPE) > > On Tue, Oct 27, 2015 at 6:35 PM, Martin Grigorov <mgrigo...@apache.org> > wrote: > >> The formatting got lost... >> Please use some pastebin service instead. >> >> Martin Grigorov >> Wicket Training and Consulting >> https://twitter.com/mtgrigorov >> >> On Tue, Oct 27, 2015 at 2:34 PM, Maxim Solodovnik <solomax...@gmail.com> >> wrote: >> >> > OK >> > >> > the issue is reproducible with the code like this: >> > >> > public class HomePage extends WebPage { private static final long >> > serialVersionUID = 1L; private final DebugBar dev; public HomePage(final >> > PageParameters parameters) { super(parameters); add(new Label("version", >> > getApplication().getFrameworkSettings().getVersion())); add(dev = new >> > DebugBar("dev")); dev.setOutputMarkupId(true); // TODO Add your page's >> > components here add(new AbstractAjaxTimerBehavior(Duration.ONE_SECOND) { >> > private static final long serialVersionUID = 1L; @Override protected >> void >> > onTimer(AjaxRequestTarget target) { *target.add(dev);* } }); } } >> > The call in *bold* produces NPE, am I doing something wrong here? >> > >> > On Tue, Oct 27, 2015 at 6:24 PM, Martin Grigorov <mgrigo...@apache.org> >> > wrote: >> > >> > > AjaxRequestHandler is the impl behind AjaxRequestTarget (and >> > > transitively IPartialPageRequestHandler) >> > > interface. >> > > >> > > I'd expect NotSerializableException in the logs with its pretty >> exception >> > > message explaining where AjaxRequestHandler is referenced in your >> > component >> > > tree. >> > > >> > > >> > > Martin Grigorov >> > > Wicket Training and Consulting >> > > https://twitter.com/mtgrigorov >> > > >> > > On Tue, Oct 27, 2015 at 2:15 PM, Maxim Solodovnik < >> solomax...@gmail.com> >> > > wrote: >> > > >> > > > Just grep all my code: have no references to 'AjaxRequestHandler', >> > > > 'IPartialPageRequestHandler' >> > > > >> > > > Actually 2 things are scares me: >> > > > 1) everything works with wicket 7.0.0 >> > > > 2) everything works in DEPLOYMENT mode >> > > > >> > > > Hopefully will be able to create quickstart, or find the reason >> > > > >> > > > On Tue, Oct 27, 2015 at 4:51 PM, Martin Grigorov < >> mgrigo...@apache.org >> > > >> > > > wrote: >> > > > >> > > > > Maybe your application keeps a reference to ARH. >> > > > > It shouldn't be serializable because it is per request. >> > > > > >> > > > > Martin Grigorov >> > > > > Wicket Training and Consulting >> > > > > https://twitter.com/mtgrigorov >> > > > > >> > > > > On Tue, Oct 27, 2015 at 12:47 PM, Maxim Solodovnik < >> > > solomax...@gmail.com >> > > > > >> > > > > wrote: >> > > > > >> > > > > > It seems AjaxRequestHandler is not serializable, why is it being >> > > > > serialized >> > > > > > in DEVELOPMENT mode? >> > > > > > will try to create quickstart for this >> > > > > > >> > > > > > On Tue, Oct 27, 2015 at 3:57 PM, Maxim Solodovnik < >> > > > solomax...@gmail.com> >> > > > > > wrote: >> > > > > > >> > > > > > > Surprisingly this error is caused by "Not serializable >> > > > > > > component org.apache.wicket.ajax.AjaxRequestHandler$1@ef915bc3 >> " >> > > > > > > not sure how to find what is wrong >> > > > > > > The issue is not reproducible in DEPLOYMENT mode >> > > > > > > >> > > > > > > >> > > > > > > On Tue, Oct 27, 2015 at 1:11 PM, Maxim Solodovnik < >> > > > > solomax...@gmail.com> >> > > > > > > wrote: >> > > > > > > >> > > > > > >> Works as expected using simple quickstart >> > > > > > >> Will try to debug serialization process >> > > > > > >> >> > > > > > >> On Tue, Oct 27, 2015 at 9:42 AM, Maxim Solodovnik < >> > > > > solomax...@gmail.com >> > > > > > > >> > > > > > >> wrote: >> > > > > > >> >> > > > > > >>> Hello, >> > > > > > >>> >> > > > > > >>> I'm getting weird NPE in wicket 7.1.0 debug bar, here is the >> > > stack >> > > > > > trace: >> > > > > > >>> >> > > > > > >>> java.lang.RuntimeException: An error occurred while getting >> the >> > > > model >> > > > > > object for Component: [Component id = data, page = >> > > > > > org.apache.openmeetings.web.pages.MainPage, path = >> > > > > > 0:dev:content:contributors:3:contrib:link:data.Label, isVisible >> = >> > > true, >> > > > > > isVersioned = true, markup = [markup = >> > > > > > >> > > > > >> > > > >> > > >> > >> jar:file:/home/solomax/work/openmeetings/branches/3.0.x/dist/red5/webapps/openmeetings/WEB-INF/lib/wicket-devutils-jar-7.1.0.jar!/org/apache/wicket/devutils/debugbar/StandardDebugPanel.html >> > > > > > >>> <span wicket:id="data"></span>, index = 0, current = '<span >> > > > > > wicket:id="data">' (line 0, column 0)]] >> > > > > > >>> at >> > > > > > >> > > org.apache.wicket.Component.getDefaultModelObject(Component.java:1631) >> > > > > > >>> at >> > > > > > >> > > > > >> > > > >> > > >> > >> org.apache.wicket.Component.getDefaultModelObjectAsString(Component.java:1654) >> > > > > > >>> at >> > > > > > >> > > > > >> > > > >> > > >> > >> org.apache.wicket.markup.html.basic.Label.onComponentTagBody(Label.java:115) >> > > > > > >>> at >> > > > > > >> > > > > >> > > > >> > > >> > >> org.apache.wicket.markup.html.panel.DefaultMarkupSourcingStrategy.onComponentTagBody(DefaultMarkupSourcingStrategy.java:70) >> > > > > > >>> >> > > > > > >>> >> > > > > > >>> full log: http://pastebin.com/u9N6Kbe0 >> > > > > > >>> >> > > > > > >>> According to the debugger page is being serialized to the >> null >> > > byte >> > > > > > array :( >> > > > > > >>> >> > > > > > >>> Would appreciate any help on investigating this >> > > > > > >>> >> > > > > > >>> >> > > > > > >>> Sorry for the raising this too late, but I had no time to >> test >> > > RC2 >> > > > > for >> > > > > > >>> 7.1.0 :( >> > > > > > >>> >> > > > > > >>> >> > > > > > >>> -- >> > > > > > >>> WBR >> > > > > > >>> Maxim aka solomax >> > > > > > >>> >> > > > > > >> >> > > > > > >> >> > > > > > >> >> > > > > > >> -- >> > > > > > >> WBR >> > > > > > >> Maxim aka solomax >> > > > > > >> >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > -- >> > > > > > > WBR >> > > > > > > Maxim aka solomax >> > > > > > > >> > > > > > >> > > > > > >> > > > > > >> > > > > > -- >> > > > > > WBR >> > > > > > Maxim aka solomax >> > > > > > >> > > > > >> > > > >> > > > >> > > > >> > > > -- >> > > > WBR >> > > > Maxim aka solomax >> > > > >> > > >> > >> > >> > >> > -- >> > WBR >> > Maxim aka solomax >> > >> > > > > -- > WBR > Maxim aka solomax > -- WBR Maxim aka solomax