Regression
org.eclipse.swtbot.generator.test.TabItemActivateTest.testActivateCTabItem
Error Message
Failed to execute runnable (java.lang.NullPointerException)
Stacktrace
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException) at org.eclipse.swt.SWT.error(SWT.java:4491) at org.eclipse.swt.SWT.error(SWT.java:4406) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:208) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4633) at org.eclipse.swtbot.generator.test.AbstractGeneratorTest.setUp(AbstractGeneratorTest.java:41) at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:206) at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:161) at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:84) at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:110) at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.runTests(AbstractUITestApplication.java:44) at org.eclipse.e4.ui.internal.workbench.swt.E4Testable$1.run(E4Testable.java:73) at java.lang.Thread.run(Thread.java:748) Caused by: java.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.swtbot.generator.test.TabItemActivateTest.contributeToDialog(TabItemActivateTest.java:25) at org.eclipse.swtbot.generator.test.TestDialog.createDialogArea(TestDialog.java:39) at org.eclipse.jface.dialogs.TitleAreaDialog.createContents(TitleAreaDialog.java:161) at org.eclipse.jface.window.Window.create(Window.java:430) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1096) at org.eclipse.jface.window.Window.open(Window.java:792) at org.eclipse.swtbot.generator.test.AbstractGeneratorTest$1.run(AbstractGeneratorTest.java:45) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3794) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3433) 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.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:31) at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:120) at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37) 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)