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1. Start a new inner. 2. Close the 'Welcome' view. 3. Window > Open Perspective > Debug 4. Minimize the stack with the 'Variables' and 'Breakpoints' view in it. 5. Drag it to the bottom trim. 6. Click on the 'Breakpoints' view's icon to make it show up, then click on the 'Restore' button in the stack. 7. Window > Preferences > General > Appearance 8. Switch to the 'Windows 7 Classic' theme. 9. Window > New Window 10. Close the first window. 11. Try resizing the new window horizontally. Exceptions will be thrown. I also appear to have two perspective switchers in the new window. java.lang.ArithmeticException: divide by zero at org.eclipse.e4.ui.workbench.renderers.swt.TrimBarLayout.tileLine(TrimBarLayout.java:234) at org.eclipse.e4.ui.workbench.renderers.swt.TrimBarLayout.layout(TrimBarLayout.java:210) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1263) at org.eclipse.swt.widgets.Composite.WM_SIZE(Composite.java:1673) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4603) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4972) at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method) at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2540) at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80) at org.eclipse.swt.widgets.Control.WM_WINDOWPOSCHANGED(Control.java:5408) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4616) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4972) at org.eclipse.swt.internal.win32.OS.EndDeferWindowPos(Native Method) at org.eclipse.swt.widgets.Composite.resizeChildren(Composite.java:949) at org.eclipse.swt.widgets.Composite.resizeChildren(Composite.java:915) at org.eclipse.swt.widgets.Composite.setResizeChildren(Composite.java:1126) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1264) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1249) at org.eclipse.swt.widgets.Composite.setLayoutDeferred(Composite.java:1086) at org.eclipse.swt.widgets.Display.runDeferredLayouts(Display.java:4189) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3747) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1015) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:909) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:85) at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:580) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:535) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55) at java.lang.reflect.Method.invoke(Method.java:613) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:628) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:583) at org.eclipse.equinox.launcher.Main.run(Main.java:1437) at org.eclipse.equinox.launcher.Main.main(Main.java:1413)
I'm having problems reproducing it in an outer with I20120306-2200 so it might be something with my workspace's plug-ins. Probably rogue contributions up to no good.
Suspected e1b2a24fdb25939d58ec89391aa2580be2ce04dd but doesn't look like that was the cause.
We end up instantiating WorkbenchWindow twice it seems. Thread [main] (Suspended (breakpoint at line 1226 in Workbench)) Workbench.createWorkbenchWindow(IAdaptable, IPerspectiveDescriptor, MWindow, boolean) line: 1226 Workbench.getActiveWorkbenchWindow() line: 1210 BuildAction.isEnabled() line: 237 RetargetActionWithDefault(RetargetAction).setActionHandler(IAction) line: 273 RetargetActionWithDefault.setActionHandler(IAction) line: 47 RetargetActionWithDefault(RetargetAction).propagateChange(PropertyChangeEvent) line: 211 RetargetAction$1.propertyChange(PropertyChangeEvent) line: 61 ActionBars(SubActionBars).firePropertyChange(PropertyChangeEvent) line: 291 ActionBars(SubActionBars).fireActionHandlersChanged() line: 273 ActionBars(SubActionBars).updateActionBars() line: 612 ActionBars.updateActionBars() line: 128 DefaultDetailPane$4.focusLost(FocusEvent) line: 452 TypedListener.handleEvent(Event) line: 143 EventTable.sendEvent(Event) line: 84 StyledText(Widget).sendEvent(Event) line: 1053 StyledText(Widget).sendEvent(int, Event, boolean) line: 1077 StyledText(Widget).sendEvent(int) line: 1058 StyledText(Control).sendFocusEvent(int) line: 2822 StyledText(Widget).wmKillFocus(long, long, long) line: 1921 StyledText(Control).WM_KILLFOCUS(long, long) line: 4900 StyledText(Canvas).WM_KILLFOCUS(long, long) line: 434 StyledText(Control).windowProc(long, int, long, long) line: 4562 StyledText(Canvas).windowProc(long, int, long, long) line: 341 Display.windowProc(long, long, long, long) line: 4985 OS.DefWindowProcW(long, int, long, long) line: not available [native method] OS.DefWindowProc(long, int, long, long) line: 2540 Shell.callWindowProc(long, int, long, long) line: 498 Shell(Control).windowProc(long, int, long, long) line: 4623 Shell(Canvas).windowProc(long, int, long, long) line: 341 Shell(Decorations).windowProc(long, int, long, long) line: 1627 Shell.windowProc(long, int, long, long) line: 2069 Display.windowProc(long, long, long, long) line: 4972 OS.BringWindowToTop(long) line: not available [native method] Shell(Decorations).bringToTop() line: 231 Shell.open() line: 1217 WBWRenderer.postProcess(MUIElement) line: 710 PartRenderingEngine.safeCreateGui(MUIElement, Object, IEclipseContext) line: 632 PartRenderingEngine.safeCreateGui(MUIElement) line: 718 PartRenderingEngine.access$2(PartRenderingEngine, MUIElement) line: 689 PartRenderingEngine$7.run() line: 683 SafeRunner.run(ISafeRunnable) line: 42 PartRenderingEngine.createGui(MUIElement) line: 668 PartRenderingEngine$4.handleEvent(Event) line: 261 UIEventHandler$1.run() line: 41 UISynchronizer(Synchronizer).syncExec(Runnable) line: 180 UISynchronizer.syncExec(Runnable) line: 150 Display.syncExec(Runnable) line: 4683 E4Application$1.syncExec(Runnable) line: 184 UIEventHandler.handleEvent(Event) line: 38 EventHandlerWrapper.handleEvent(Event, Permission) line: 197 EventHandlerTracker.dispatchEvent(EventHandlerWrapper, Permission, int, Event) line: 197 EventHandlerTracker.dispatchEvent(Object, Object, int, Object) line: 1 EventManager.dispatchEvent(Set<Entry<K,V>>, EventDispatcher<K,V,E>, int, E) line: 230 ListenerQueue<K,V,E>.dispatchEventSynchronous(int, E) line: 148 EventAdminImpl.dispatchEvent(Event, boolean) line: 135 EventAdminImpl.sendEvent(Event) line: 78 EventComponent.sendEvent(Event) line: 39 EventBroker.send(String, Object) line: 81 UIEventPublisher.notifyChanged(Notification) line: 57 ApplicationImpl(BasicNotifierImpl).eNotify(Notification) line: 374 ElementContainerImpl$1(EcoreEList<E>).dispatchNotification(Notification) line: 249 ElementContainerImpl$1(NotifyingListImpl<E>).addUnique(E) line: 294 ElementContainerImpl$1(AbstractEList<E>).add(E) line: 301 Workbench.createWorkbenchWindow(IAdaptable, IPerspectiveDescriptor, MWindow, boolean) line: 1232 Workbench.openWorkbenchWindow(IAdaptable, IPerspectiveDescriptor, MWindow, boolean) line: 2257 Workbench.openWorkbenchWindow(String, IAdaptable) line: 2249 OpenInNewWindowHandler.execute(ExecutionEvent) line: 58
(In reply to comment #2) > Suspected e1b2a24fdb25939d58ec89391aa2580be2ce04dd but doesn't look like that > was the cause. Is indeed introduced by e1b2a24fdb25939d58ec89391aa2580be2ce04dd as the 'Build Project' action now has a default handler set.
Fix pushed to master. http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=a6cf1481506bf598e1175e91a412f91dfe3f5d64
*** Bug 373796 has been marked as a duplicate of this bug. ***
Reverted for now. Still broken on the Mac. http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=209df4386633e6ae4b8f931f2f136a4c00c2f3da
I can not duplicate the problem using I20120313-0610 on Mac. Works for me.
(In reply to comment #8) > I can not duplicate the problem using I20120313-0610 on Mac. Works for me. If I recall correctly, this only happens if the "fix" for bug 373529 is in.
What's the current status of this defect ? It's a bit unclear given the comments...
(In reply to comment #10) > What's the current status of this defect ? It's a bit unclear given the > comments... It's dependent on bug 373529. When that bug is fixed, we need to ensure this problem doesn't surface.
Marking for an SR1 fix. If this shows up during testing we may move it back to the RC's.
*** This bug has been marked as a duplicate of bug 373529 ***
*** Bug 396166 has been marked as a duplicate of this bug. ***
