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POGWT code splitting strange behaviour in IE8
 

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  1. POGWT code splitting strange behaviour in IE8
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    <p>I have a widget (Main.java) which encapsulates funcionality and implements the Async Provider pattern for code splitting. In addition, I use the Prefetching pattern so that the browser downloads the code inmediatly after it loads a Welcome screen.</p> <p>The problem raises in IE8. If I use the Main widget without doing prefetching, everything is fine. However, if I do prefetch first and then try to use te Main widget, thw browser only shows the center panel of the DockLayoutPanel used by the Main widget. In Firefox everything works fine.</p> <p>Here is the code:</p> <pre><code>//BugTest.java package com.bugtest.clearadd.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.PopupPanel; import com.google.gwt.user.client.ui.RootLayoutPanel; import com.google.gwt.user.client.ui.RootPanel; public class BugTest implements EntryPoint { @Override public void onModuleLoad() { Button prefetchButton = new Button("Prefetch!"); prefetchButton.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { Main.getInstance(new AsyncCallback&lt;Main&gt;() { @Override public void onSuccess(Main result) { PopupPanel popupPanel = new PopupPanel(true); popupPanel .setWidget(new Label("Prefetching finished!")); popupPanel.center(); } @Override public void onFailure(Throwable caught) { // TODO Auto-generated method stub } }); } }); Button switchButton = new Button("Switch!"); switchButton.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { Main.getInstance(new AsyncCallback&lt;Main&gt;() { @Override public void onSuccess(Main result) { RootPanel.get().clear(); RootLayoutPanel.get().add(result); } @Override public void onFailure(Throwable caught) { // TODO Auto-generated method stub } }); } }); FlowPanel flowPanel = new FlowPanel(); flowPanel.add(new Label("Bug test!")); flowPanel.add(prefetchButton); flowPanel.add(switchButton); RootPanel.get().add(flowPanel); } } //Main.java package com.bugtest.clearadd.client; import com.google.gwt.core.client.GWT; import com.google.gwt.core.client.RunAsyncCallback; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.DockLayoutPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.ResizeComposite; public class Main extends ResizeComposite { private static Main instance = null; public static void getInstance(final AsyncCallback&lt;Main&gt; callback) { GWT.runAsync(new RunAsyncCallback() { @Override public void onSuccess() { if (instance == null) { instance = new Main(); } callback.onSuccess(instance); } @Override public void onFailure(Throwable reason) { callback.onFailure(reason); } }); } private Main() { DockLayoutPanel dockLayoutPanel = new DockLayoutPanel(Unit.EM); dockLayoutPanel.addNorth(new Label("North!"), 7); dockLayoutPanel.addWest(new Label("West!"), 15); dockLayoutPanel.add(new Label("Center! :D")); initWidget(dockLayoutPanel); } } </code></pre> <p>Does anyone know what it could be? Thanks in advance.</p> <p>EDIT: I noticed that if I change the DockLayoutPanel units to PX, everything works fine. Is it a bug or I am missing something? Thanks again. :P</p>
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