Неожиданный нулевой указатель, вызывающий тему rcp lookweird

Question

Внезапно тема получает исключение с нулевым указателем. В этом случае трассировка стека видит, что кто-либо видел такую ​​проблему и разрешал ее. Я предполагаю, что какое-то состояние гонки происходит, но я не смог точно определить причину.

java.lang.NullPointerException 
at org.eclipse.ui.internal.themes.ColorAndFontProviderImpl.getCurrentTheme(ColorAndFontProviderImpl.java:51) 
at org.eclipse.ui.internal.themes.ColorAndFontProviderImpl.getFont(ColorAndFontProviderImpl.java:35) 
at org.eclipse.e4.ui.css.swt.helpers.CSSSWTFontHelper.findFontDataByDefinition(CSSSWTFontHelper.java:218) 
at org.eclipse.e4.ui.css.swt.helpers.CSSSWTFontHelper.getFontData(CSSSWTFontHelper.java:163) 
at org.eclipse.e4.ui.css.swt.properties.converters.CSSValueSWTFontDataConverterImpl.convert(CSSValueSWTFontDataConverterImpl.java:73) 
at org.eclipse.e4.ui.css.swt.properties.converters.CSSValueSWTFontConverterImpl.convert(CSSValueSWTFontConverterImpl.java:34) 
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.convert(AbstractCSSEngine.java:1077) 
at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyFontSWTHandler.onAllCSSPropertiesApplyed(CSSPropertyFontSWTHandler.java:251) 
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:549) 
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:413) 
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:354) 
at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:514) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$11.setClassnameAndId(PartRenderingEngine.java:1321) 
at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:110) 
at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:80) 
at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer$5.handleEvent(StackRenderer.java:524) 
at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) 
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187) 
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4734) 
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:218) 
at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) 
at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197) 
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) 
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) 
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) 
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) 
at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) 
at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) 
at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) 
at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81) 
at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:372) 
at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:341) 
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:652) 
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:615) 
at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:106) 
at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.handleEvent(ContributedPartRenderer.java:61) 
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) 
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353) 
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061) 
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) 
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1070) 
at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1453) 
at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1416) 
at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2855) 
at org.eclipse.swt.widgets.Widget.wmSetFocus(Widget.java:2425) 
at org.eclipse.swt.widgets.Control.WM_SETFOCUS(Control.java:5236) 
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4680) 
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5023) 
at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method) 
at org.eclipse.swt.widgets.Control.forceFocus(Control.java:1097) 
at org.eclipse.swt.widgets.Control.setSavedFocus(Control.java:3619) 
at org.eclipse.swt.widgets.Decorations.restoreFocus(Decorations.java:837) 
at org.eclipse.swt.widgets.Shell.open(Shell.java:1248) 
at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.postProcess(WBWRenderer.java:745) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:678) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) 
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) 
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1074) 
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
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.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:164) 
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(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
at java.lang.reflect.Method.invoke(Unknown Source) 
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) 

Answer 1

, добавляющий флаг -clean для конфигурации во время выполнения, решает проблему, но до сих пор не знает, что вызывает ее. поэтому я буду признателен за решение, которое временное исправление

Answer 2

Добавить его в Run/Run-Configuration/Аргументы -os $ {target.os} -ws $ {target.ws} -arch $ {target.arch} - nl $ {target.nl} -consoleLog -clean