thx juan, sorry for the noise. i found out 1 hour ago that the problem
is with 99% percent probabilty related to restygwt. i'm happy i found
this, now we'll see if i can fix it ;)
keep you updated.
cheers, andi
On 14 Jun., 20:21, Juan Pablo Gardella <gardellajuanpa...@gmail.com>
wrote:
> Are you use third gwt libraries ? for example gin, etc.? What version of gwt
> are you use?
>
> 2011/6/14 pansen <andi.ba...@googlemail.com>
>
>
>
>
>
>
>
> > hey guys,
>
> > i think we have a massive problem with the generated js sources for
> > production. we built a larger app and since now all worked like a
> > charm, we had not a single stopper.
>
> > at the moment there is a strange issue. when i use the static app it
> > seems like there is a confusion about the generic-type or the content
> > of it. let me first show you the gwttest i wrote to let you see what
> > happens::
>
> > package net.vz.common.widgets.client.profile.lastvisitors;
>
> > import java.util.List;
> > import java.util.logging.Logger;
>
> > import net.vz.common.services.client.registry.Registry;
> > import net.vz.common.services.client.restdto.GenericListDto;
> > import net.vz.common.services.client.restdto.MinUserDto;
> > import net.vz.common.services.client.restservice.UserService;
> > import
> > net.vz.common.services.client.resty.vzcore.SimpleMethodCallback;
> > import net.vz.common.widgets.client.bundles.UnifiedResources;
> > import net.vz.common.widgets.client.i18n.LocalMessages;
> > import net.vz.common.widgets.client.listitem.GenericImageSlider;
> > import net.vz.common.widgets.client.listitem.GenericList;
> > import net.vz.common.widgets.client.listitem.renderer.MinUserRenderer;
> > import
> > net.vz.common.widgets.client.simpleItem.inject.SimpleItemModule;
> > import net.vz.common.widgets.client.toolbox.custompanels.ListPanel;
> > import net.vz.common.widgets.client.toolbox.slideBar.SlideBarActivity;
> > import net.vz.common.widgets.client.toolbox.slideBar.SlideBarView;
> > import net.vz.common.widgets.client.toolbox.slideBar.SlideBarViewImpl;
>
> > import org.fusesource.restygwt.client.Method;
>
> > import com.google.gwt.core.client.GWT;
> > import com.google.gwt.event.shared.SimpleEventBus;
> > import com.google.gwt.junit.client.GWTTestCase;
> > import com.google.gwt.user.client.ui.AcceptsOneWidget;
> > import com.google.gwt.user.client.ui.SimplePanel;
>
> > /**
> > * try to reconstruct a production bug which seems to be caused by
> > wrong typing
> > * from gwt??!
> > *
> > * @author abalke
> > */
> > public class ProfileLastVisitorsActivityTestGwt extends GWTTestCase {
>
> > private static final String userKey = "U:test_user";
>
> > @Override
> > public String getModuleName() {
> > return SimpleItemModule.MODULE_NAME;
> > }
>
> > public void testDo() {
> > LocalMessages localMessages = GWT.create(LocalMessages.class);
> > UnifiedResources unifiedResources = new UnifiedResources();
>
> > ListPanel ul = GWT.create(ListPanel.class);
> > SlideBarView sidebarView = GWT.create(SlideBarViewImpl.class);
> > SlideBarActivity slideBarActivity = new
> > SlideBarActivity(sidebarView);
> > GenericList<MinUserDto> genericLinkList = new
> > GenericList<MinUserDto>(unifiedResources);
> > GenericImageSlider<MinUserDto> slider = new
> > GenericImageSlider<MinUserDto>(
> > ul, slideBarActivity, genericLinkList,
> > unifiedResources);
>
> > ProfileLastVisitorsViewImpl__ view =
> > new ProfileLastVisitorsViewImpl__(localMessages);
> > UserService userService = GWT.create(UserService.class);
> > MinUserRenderer renderer = new MinUserRenderer();
>
> > AcceptsOneWidget panel = new SimplePanel();
> > SimpleEventBus eventBus = new SimpleEventBus();
> > ProfileLastVisitorsActivity a = new
> > ProfileLastVisitorsActivity(
> > view, userService, slider, renderer) {
> > protected void loadLastVisitors(String userId) {
> > userService.getLastVisitors(userId, new
> > SimpleMethodCallback<GenericListDto<MinUserDto>>() {
> > @Override
> > public void onSuccess(Method method,
> > GenericListDto<MinUserDto> response) {
> > List<MinUserDto> items = response.getItems();
> > if (Registry.canLog()) {
>
> > Logger.getLogger(ProfileLastVisitorsActivity.class.getName())
> > .info("got a list of " +
> > MinUserDto.class + ": " );
>
> > Logger.getLogger(ProfileLastVisitorsActivity.class.getName())
> > .info("... " + items.get(0));
> > }
> > slider.render(items);
>
> > view.setLastVisitorsOverallCount(response.getCount());
> > view.show(true);
>
> > // in production, here is a wrong type
> > assertEquals(MinUserDto.class,
> > items.get(0).getClass());
> > assertEquals(true,
> > ((ProfileLastVisitorsViewImpl__)view).getShowState());
> > finishTest();
> > }
> > });
> > }
> > };
>
> > a.start(panel, eventBus);
>
> > // the widget wants only to be loaded when this is my user
> > Registry.MY_USER_ID = userKey;
>
> > assertEquals(false, view.getShowState());
> > a.update(userKey);
>
> > delayTestFinish(5 * 1000);
> > }
>
> > class ProfileLastVisitorsViewImpl__ extends
> > ProfileLastVisitorsViewImpl {
>
> > private boolean isShown = false;
>
> > public ProfileLastVisitorsViewImpl__(LocalMessages
> > localMessages) {
> > super(localMessages);
> > }
>
> > @Override
> > public void show(boolean b) {
> > isShown = b;
> > super.show(b);
> > }
>
> > public boolean getShowState() {
> > return isShown;
> > }
> > }
> > }
>
> > in production mode (static compile) i see in the logs that there is a
> > list of type ``A`` containing the first element of type ``B`` on this
> > place, which is overridden in the test above::
>
> > protected void loadLastVisitors(String userId) {
> > userService.getLastVisitors(userId, new
> > SimpleMethodCallback<GenericListDto<MinUserDto>>() {
> > @Override
> > public void onSuccess(Method method,
> > GenericListDto<MinUserDto> response) {
> > List<MinUserDto> items = response.getItems();
> > if (Registry.canLog()) {
>
> > Logger.getLogger(ProfileLastVisitorsActivity.class.getName())
> > .info("should have a list of " +
> > MinUserDto.class + ", first element is a: " +items.get(0));
> > }
> > slider.render(items);
> > view.setLastVisitorsOverallCount(response.getCount());
> > view.show(true);
> > }
> > });
> > }
>
> > in result of that i get a classcastexception - but only in compiled
> > production code. neither the integration-test, nor the hosted mode
> > with exactly the same backend-responses fails.
>
> > my question is now: have you ever seen an issue with type-confusion in
> > a bigger context? what should i do to come to a result with this
> > issue. if you tell me where to look in the compiled code i can try to
> > reduce the setup.
>
> > as a last option i only see to reduce my project to a minimum size
> > where the error still occurs to send it to you and file a bug.
>
> > any hints are greatly appreciated.
>
> > andi
>
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