RSSOwlnix fails to create a Browser for reading news

a valid browser is configured. Attached .log:

!SESSION 2018-04-02 10:45:35.140 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_161 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64

!ENTRY org.rssowl.ui 1 0 2018-04-02 10:45:36.009 !MESSAGE RSSOwlnix Starting Up (RSSOwlnix/2.5.0.201803181853 (X11; U; en))

!ENTRY org.rssowl.ui 1 0 2018-04-02 10:45:39.452 !MESSAGE Error loading system default XULRunner

!ENTRY org.rssowl.ui 1 0 2018-04-02 10:45:39.456 !MESSAGE Error loading XULRunner from bundled version

!ENTRY org.eclipse.ui.workbench 4 2 2018-04-02 10:45:41.134 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench". !STACK 0 java.lang.NullPointerException at org.rssowl.ui.internal.editors.feed.FeedView.notifyUIEvent(FeedView.java:1353) at org.rssowl.ui.internal.editors.feed.FeedView.notifyUIEvent(FeedView.java:1324) at org.rssowl.ui.internal.editors.feed.FeedView$2.partClosed(FeedView.java:625) at org.eclipse.ui.internal.WorkbenchPage$25.run(WorkbenchPage.java:5148) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.WorkbenchPage.firePartClosed(WorkbenchPage.java:5145) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.lambda$0(CompatibilityPart.java:104) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) 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:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setWidget(UIElementImpl.java:261) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.unbindWidget(SWTPartRenderer.java:147) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.lambda$0(SWTPartRenderer.java:136) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:124) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1353) at org.eclipse.swt.widgets.Widget.release(Widget.java:1161) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:284) at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:483) at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:2773) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:483) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2700) at org.eclipse.swt.widgets.Display.release(Display.java:4234) at org.eclipse.swt.graphics.Device.dispose(Device.java:235) at org.rssowl.ui.internal.Application.start(Application.java:128) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472)

!ENTRY org.eclipse.jface 4 0 2018-04-02 10:45:41.142 !MESSAGE An error has occurred. See error log for more details. !STACK 0 java.lang.NullPointerException at org.rssowl.ui.internal.editors.feed.FeedView.notifyUIEvent(FeedView.java:1353) at org.rssowl.ui.internal.editors.feed.FeedView.notifyUIEvent(FeedView.java:1324) at org.rssowl.ui.internal.editors.feed.FeedView$2.partClosed(FeedView.java:625) at org.eclipse.ui.internal.WorkbenchPage$25.run(WorkbenchPage.java:5148) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.WorkbenchPage.firePartClosed(WorkbenchPage.java:5145) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.lambda$0(CompatibilityPart.java:104) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) 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:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setWidget(UIElementImpl.java:261) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.unbindWidget(SWTPartRenderer.java:147) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.lambda$0(SWTPartRenderer.java:136) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:124) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1353) at org.eclipse.swt.widgets.Widget.release(Widget.java:1161) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:284) at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:483) at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:2773) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:483) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2700) at org.eclipse.swt.widgets.Display.release(Display.java:4234) at org.eclipse.swt.graphics.Device.dispose(Device.java:235) at org.rssowl.ui.internal.Application.start(Application.java:128) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472)

!ENTRY org.eclipse.ui.workbench 4 0 2018-04-02 10:45:41.144 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.SWT.error(SWT.java:4419) at org.eclipse.swt.widgets.Widget.error(Widget.java:487) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:424) at org.eclipse.swt.widgets.Shell.isVisible(Shell.java:906) at org.eclipse.ui.internal.progress.ProgressManagerUtil.getDefaultParent(ProgressManagerUtil.java:504) at org.eclipse.ui.internal.statushandlers.InternalDialog.(InternalDialog.java:152) at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:259) at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197) at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:158) at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:80) at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.handle(WorkbenchErrorHandler.java:49) at org.rssowl.ui.internal.DefaultStatusHandler.handle(DefaultStatusHandler.java:68) at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:213) at org.eclipse.ui.internal.JFaceUtil$1.show(JFaceUtil.java:62) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:63) at org.eclipse.core.runtime.SafeRunner.handleException(SafeRunner.java:75) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:44) at org.eclipse.ui.internal.WorkbenchPage.firePartClosed(WorkbenchPage.java:5145) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.lambda$0(CompatibilityPart.java:104) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) 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:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setWidget(UIElementImpl.java:261) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.unbindWidget(SWTPartRenderer.java:147) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.lambda$0(SWTPartRenderer.java:136) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:124) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1353) at org.eclipse.swt.widgets.Widget.release(Widget.java:1161) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1411) at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:284) at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:483) at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:2773) at org.eclipse.swt.widgets.Widget.release(Widget.java:1164) at org.eclipse.swt.widgets.Control.release(Control.java:4103) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:483) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2700) at org.eclipse.swt.widgets.Display.release(Display.java:4234) at org.eclipse.swt.graphics.Device.dispose(Device.java:235) at org.rssowl.ui.internal.Application.start(Application.java:128) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472)

!ENTRY org.eclipse.osgi 4 0 2018-04-02 10:45:41.170 !MESSAGE Application error !STACK 1 org.eclipse.swt.SWTError: No more handles [Browser style SWT.MOZILLA and Java system property org.eclipse.swt.browser.DefaultType=mozilla are not supported with GTK 3 as XULRunner is not ported for GTK 3 yet] at org.eclipse.swt.SWT.error(SWT.java:4559) at org.eclipse.swt.browser.MozillaDelegate.(MozillaDelegate.java:57) at org.eclipse.swt.browser.Mozilla.create(Mozilla.java:655) at org.eclipse.swt.browser.Browser.(Browser.java:99) at org.rssowl.ui.internal.util.CBrowser.createBrowser(CBrowser.java:271) at org.rssowl.ui.internal.util.CBrowser.(CBrowser.java:159) at org.rssowl.ui.internal.editors.feed.NewsBrowserViewer.(NewsBrowserViewer.java:346) at org.rssowl.ui.internal.editors.feed.NewsBrowserControl$1.(NewsBrowserControl.java:151) at org.rssowl.ui.internal.editors.feed.NewsBrowserControl.createPart(NewsBrowserControl.java:151) at org.rssowl.ui.internal.editors.feed.FeedView.createPartControl(FeedView.java:2363) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:151) at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:99) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:355) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1293) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:97) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:679) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.run(PartRenderingEngine.java:546) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:530) at org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:70) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69) at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:137) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveRenderer.processContents(PerspectiveRenderer.java:49) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.showTab(PerspectiveStackRenderer.java:79) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.postProcess(PerspectiveStackRenderer.java:61) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:679) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69) at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:137) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69) at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.processContents(WBWRenderer.java:704) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1076) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.rssowl.ui.internal.Application.start(Application.java:122) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472)

!ENTRY org.eclipse.e4.ui.workbench 4 0 2018-04-02 10:45:41.194 !MESSAGE !STACK 0 java.lang.NullPointerException at org.eclipse.jface.resource.JFaceResources.getResources(JFaceResources.java:209) at org.eclipse.jface.resource.JFaceResources.getResources(JFaceResources.java:227) at org.eclipse.ui.part.WorkbenchPart.dispose(WorkbenchPart.java:100) at org.rssowl.ui.internal.views.explorer.BookMarkExplorer.dispose(BookMarkExplorer.java:1652) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.invalidate(CompatibilityPart.java:252) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.destroy(CompatibilityPart.java:412) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955) at org.eclipse.e4.core.internal.di.InjectorImpl.disposed(InjectorImpl.java:450) at org.eclipse.e4.core.internal.di.Requestor.disposed(Requestor.java:156) at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:78) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.handleInvalid(TrackableComputationExt.java:74) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:178) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.dispose(EclipseContextOSGi.java:99) at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.bundleChanged(EclipseContextOSGi.java:141) at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:908) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:213) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:120) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:112) at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:168) at org.eclipse.osgi.container.Module.publishEvent(Module.java:476) at org.eclipse.osgi.container.Module.doStop(Module.java:634) at org.eclipse.osgi.container.Module.stop(Module.java:498) at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:202) at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:165) at java.lang.Thread.run(Thread.java:748)

!ENTRY org.eclipse.e4.ui.workbench 4 0 2018-04-02 10:45:41.203 !MESSAGE !STACK 0 java.lang.IllegalArgumentException at org.eclipse.core.runtime.ListenerList.remove(ListenerList.java:217) at org.eclipse.jface.viewers.Viewer.removeSelectionChangedListener(Viewer.java:258) at org.rssowl.ui.internal.editors.feed.NewsTableControl.unregisterListeners(NewsTableControl.java:1124) at org.rssowl.ui.internal.editors.feed.NewsTableControl.dispose(NewsTableControl.java:1115) at org.rssowl.ui.internal.editors.feed.FeedView.dispose(FeedView.java:1768) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.invalidate(CompatibilityPart.java:252) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.destroy(CompatibilityPart.java:412) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955) at org.eclipse.e4.core.internal.di.InjectorImpl.disposed(InjectorImpl.java:450) at org.eclipse.e4.core.internal.di.Requestor.disposed(Requestor.java:156) at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:78) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.handleInvalid(TrackableComputationExt.java:74) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:178) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:163) at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.dispose(EclipseContextOSGi.java:99) at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.bundleChanged(EclipseContextOSGi.java:141) at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:908) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:213) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:120) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:112) at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:168) at org.eclipse.osgi.container.Module.publishEvent(Module.java:476) at org.eclipse.osgi.container.Module.doStop(Module.java:634) at org.eclipse.osgi.container.Module.stop(Module.java:498) at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:202) at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:165) at java.lang.Thread.run(Thread.java:748)

!ENTRY org.rssowl.core 1 0 2018-04-02 10:45:41.263 !MESSAGE RSSOwlnix Shutting Down (normal)

Xyrio / RSSOwlnix

RSSOwlnix fails to create a Browser for reading news #19