java.lang.NullPointerException

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  • java.lang.NullPointerException at com.codeaffine.extras.workingset.internal.DynamicWorkingSetPage.finish(DynamicWorkingSetPage.java:81) at org.eclipse.ui.internal.dialogs.WorkingSetNewWizard.performFinish(WorkingSetNewWizard.java:138) at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:790) at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:423) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:622) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4431) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4241) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820) at org.eclipse.jface.window.Window.runEventLoop(Window.java:818) at org.eclipse.jface.window.Window.open(Window.java:794) at org.eclipse.ui.internal.dialogs.AbstractWorkingSetDialog.createWorkingSet(AbstractWorkingSetDialog.java:251) at org.eclipse.ui.internal.dialogs.AbstractWorkingSetDialog$1.widgetSelected(AbstractWorkingSetDialog.java:123) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4431) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4241) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820) at org.eclipse.jface.window.Window.runEventLoop(Window.java:818) at org.eclipse.jface.window.Window.open(Window.java:794) at org.eclipse.ui.internal.dialogs.AbstractWorkingSetDialog.open(AbstractWorkingSetDialog.java:314) at org.eclipse.ui.internal.actions.SelectWorkingSetAction.run(SelectWorkingSetAction.java:72) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565) at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4431) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4241) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1133) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:698) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) 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)
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