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The root cause for the SWT error reported below is that org.eclipse.gmf.runtime.draw2d.ui.internal.parts.ThumbnailEx$ThumbnailUpdater.stop() disposes the nested thumbnailGC before the enclosing thumbnailGraphics. These statements should be swapped. In detail the dispose() operation of the used org.eclipse.gmf.runtime.draw2d.ui.internal.graphics.ScaledGraphics performs a popState(), which delegates to restoreState(), which calls getAdvanced() on the already disposed nested GC (thumbnailGC in this case), which ultimately throws an SWT.ERROR_GRAPHIC_DISPOSED. The following incident was reported via the automated error reporting: code: 0 plugin: org.eclipse.ui_3.107.0.v20140911-1616 message: HIDDEN fingerprint: ad3b2eab exception class: org.eclipse.swt.SWTException exception message: HIDDEN number of children: 0 org.eclipse.swt.SWTException: HIDDEN at org.eclipse.swt.SWT.error(SWT.java:4441) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3778) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3416) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:637) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:580) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:141) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) caused by: org.eclipse.swt.SWTException: HIDDEN at org.eclipse.swt.SWT.error(SWT.java:4441) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.SWT.error(SWT.java:4327) at org.eclipse.swt.graphics.GC.getAdvanced(GC.java:2270) at org.eclipse.draw2d.SWTGraphics.restoreState(SWTGraphics.java:928) at org.eclipse.draw2d.SWTGraphics.popState(SWTGraphics.java:828) at org.eclipse.gmf.runtime.draw2d.ui.internal.graphics.ScaledGraphics.popState(ScaledGraphics.java:646) at org.eclipse.gmf.runtime.draw2d.ui.internal.graphics.ScaledGraphics.dispose(ScaledGraphics.java:271) at org.eclipse.gmf.runtime.draw2d.ui.internal.parts.ThumbnailEx$ThumbnailUpdater.stop(ThumbnailEx.java:284) at org.eclipse.gmf.runtime.draw2d.ui.internal.parts.ThumbnailEx$ThumbnailUpdater.restart(ThumbnailEx.java:134) at org.eclipse.gmf.runtime.draw2d.ui.internal.parts.ThumbnailEx.getThumbnailImage(ThumbnailEx.java:423) at org.eclipse.gmf.runtime.draw2d.ui.internal.parts.ThumbnailEx.paintFigure(ThumbnailEx.java:467) at org.eclipse.draw2d.Figure.paint(Figure.java:1115) at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1167) at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1202) at org.eclipse.draw2d.Figure.paint(Figure.java:1117) at org.eclipse.draw2d.DeferredUpdateManager.paint(DeferredUpdateManager.java:168) at org.eclipse.draw2d.LightweightSystem.paint(LightweightSystem.java:203) at org.eclipse.draw2d.LightweightSystem$2.handleEvent(LightweightSystem.java:110) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4464) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397) at org.eclipse.swt.widgets.Control.gtk_expose_event(Control.java:3199) at org.eclipse.swt.widgets.Composite.gtk_expose_event(Composite.java:740) at org.eclipse.swt.widgets.Canvas.gtk_expose_event(Canvas.java:181) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2091) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5515) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4680) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(OS.java:-2) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:9137) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1253) at org.eclipse.swt.internal.gtk.OS._gdk_window_process_updates(OS.java:-2) at org.eclipse.swt.internal.gtk.OS.gdk_window_process_updates(OS.java:5976) at org.eclipse.swt.widgets.Control.update(Control.java:5460) at org.eclipse.swt.widgets.Control.update(Control.java:5451) at org.eclipse.draw2d.NativeGraphicsSource.getGraphics(NativeGraphicsSource.java:48) at org.eclipse.draw2d.DeferredUpdateManager.getGraphics(DeferredUpdateManager.java:147) at org.eclipse.draw2d.DeferredUpdateManager.repairDamage(DeferredUpdateManager.java:313) at org.eclipse.draw2d.DeferredUpdateManager.performUpdate(DeferredUpdateManager.java:195) at org.eclipse.draw2d.DeferredUpdateManager$UpdateRequest.run(DeferredUpdateManager.java:44) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3778) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3416) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:637) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:580) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:141) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) General Information: reported-by: anonymous-id: 213e8379-5dad-3a05-adb1-02b881704d2b eclipse-build-id: 4.5.0.I20140918-0330 eclipse-product: org.eclipse.epp.package.modeling.product operating system: Linux 3.13.0 (x86_64) - gtk jre-version: 1.8.0_20-b26 The following plug-ins were present on the execution stack (*): 1. org.eclipse.core.databinding.observable_1.4.1.v20140910-2107 2. org.eclipse.core.databinding_1.4.100.v20140910-2107 3. org.eclipse.core.runtime_3.10.0.v20140724-1132 4. org.eclipse.draw2d_3.10.0.201409290206 5. org.eclipse.e4.ui.workbench_1.2.0.v20140905-1352 6. org.eclipse.e4.ui.workbench.swt_0.12.100.v20140908-1525 7. org.eclipse.equinox.app_1.3.200.v20130910-1609 8. org.eclipse.equinox.launcher_1.3.0.v20140415-2008 9. org.eclipse.gmf.runtime.draw2d.ui_1.9.0.201409241816 10. org.eclipse.gmf_1.7.0.201409241816 11. org.eclipse.swt_3.104.0.v20140916-1012 12. org.eclipse.ui_3.107.0.v20140911-1616 13. org.eclipse.ui.ide.application_1.0.600.v20140909-1818 14. org.eclipse.ui.ide_3.10.100.v20140905-0917 Please note that: * Messages, stacktraces, and nested status objects may be shortened. * Bug fields like status, resolution, and whiteboard are sent back to reporters. * The list of present bundles and their respective versions was calculated by package naming heuristics. This may or may not reflect reality. Other Resources: * Report: https://dev.eclipse.org/recommenders/committers/confess/#/problems/54c4ef20bee810030da06857 * Manual: https://dev.eclipse.org/recommenders/community/confess/#/guide Thank you for your assistance. Your friendly error-reports-inbox.
