ava.lang.NullPointerException

This exception has no message.

Solutions on the web183

  • via Visual-paradigm by djlah, 1 year ago
    This exception has no message.
  • via Coderanch by Julien Martin, 7 months ago
    This exception has no message.
  • via Coderanch by William Brogden, 8 months ago
    This exception has no message.
  • Stack trace

    • ava.lang.NullPointerException at org.eclipse.swt.widgets.TabFolder.gtk_switch_page(TabFolder.java:570) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2009) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4723) at org.eclipse.swt.internal.gtk.OS._gtk_widget_show(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_widget_show(OS.java:14774) at org.eclipse.swt.widgets.TabFolder.createItem(TabFolder.java:311) at org.eclipse.swt.widgets.TabItem.createWidget(TabItem.java:123) at org.eclipse.swt.widgets.TabItem.<init>(TabItem.java:75) at org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock.createControl(BuildPathsBlock.java:228) at org.eclipse.jdt.ui.wizards.JavaCapabilityConfigurationPage.createControl(JavaCapabilityConfigurationPage.java:162) at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:175) at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:705) at org.eclipse.jface.wizard.WizardDialog.setWizard(WizardDialog.java:1153) at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1211) at org.eclipse.jface.wizard.WizardDialog.access$4(WizardDialog.java:1208) at org.eclipse.jface.wizard.WizardDialog$8.run(WizardDialog.java:1197) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1194) at org.eclipse.ui.internal.dialogs.NewWizardSelectionPage.advanceToNextPageOrFinish(NewWizardSelectionPage.java:71) at org.eclipse.ui.internal.dialogs.NewWizardNewPage$1.doubleClick(NewWizardNewPage.java:361) at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:832) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:829) at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1470) at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1263) at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:252) at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:249) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:311) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4481) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1329) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3819) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3430) at org.eclipse.jface.window.Window.runEventLoop(Window.java:827) at org.eclipse.jface.window.Window.open(Window.java:803) at org.eclipse.ui.actions.NewProjectAction.run(NewProjectAction.java:115) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4481) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1329) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3819) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3430) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139) 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(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:669) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608) at org.eclipse.equinox.launcher.Main.run(Main.java:1515) at org.eclipse.equinox.launcher.Main.main(Main.java:1488)

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