Bugzilla – Full Text Bug Listing
| Summary: | Exception during constructor evaluation - Constructor CTabFolder(Composite,int) was used with the parameters {<null>,2048} | ||||||
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| Product: | z_Archived | Reporter: | jan <jan.hvozdovic> | ||||
| Component: | WindowBuilder | Assignee: | Konstantin Scheglov <Konstantin.Scheglov> | ||||
| Status: | CLOSED FIXED | QA Contact: | |||||
| Severity: | major | ||||||
| Priority: | P3 | CC: | clayberg | ||||
| Version: | unspecified | ||||||
| Target Milestone: | --- | ||||||
| Hardware: | PC | ||||||
| OS: | Windows XP | ||||||
| Whiteboard: | |||||||
| Attachments: |
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Unable to reproduce using the supplied code snippet. WB does not have any problems with CTabFolder in general. Please provide a complete test case that will reproduce this problem and reopen this case. Also make sure that you are using the latest WB build. The build you are using to report this is quite old. Hi Eric, thanks for looking into it. I am able to reproduce this failure in the latest Eclipse 3.7.1 (3.7.1.r37x) and WindowBuilderPro (core, 1.2.0.r37x201112151810). I am now trying to create small example and localize what is causing the problem, unfortunately it will take some time. There is a difference in parsing, if you use toolkit or create the widget directly. If toolkit is used, the code is parsed without any problem. If you create the widget directly, the code is not parsed correctly and you see exception that you didn't initialize the composite. >> WB exception new Label(composite, SWT.NONE) Constructor Label(Composite,int) was used with the parameters {<null>,0}. Note: null values may occur when parsing complex expressions that can't be resolved at design-time. org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). >> >> slightly modified code Composite composite = toolkit.createComposite(detailSection, SWT.NONE); toolkit.paintBordersFor(composite); detailSection.setClient(composite); composite.setLayout(new FormLayout()); Label lblName = toolkit.createLabel(composite, "Name:", SWT.NONE); Label lbl = new Label(composite, SWT.NONE); >> The stack trace for same code but with the latest WB and Eclipse org.eclipse.wb.internal.core.utils.exception.DesignerException: 307 (Exception during constructor evaluation). new CTabFolder(composite, SWT.BORDER) CTabFolder(Composite,int) {<null>,2048} org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.createConstructorProblemException(InvocationEvaluator.java:593) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:268) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:81) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate0(AstEvaluationEngine.java:177) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:61) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluateExpression(JavaInfoEvaluationHelper.java:630) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluate(JavaInfoEvaluationHelper.java:502) at org.eclipse.wb.internal.core.parser.JavaInfoParser.evaluateNode(JavaInfoParser.java:1313) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$1(JavaInfoParser.java:1304) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor$3.run(JavaInfoParser.java:605) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:113) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor.postVisit(JavaInfoParser.java:595) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.wb.core.eval.ExecutionFlowUtils$1.intercept(ExecutionFlowUtils.java:401) at org.eclipse.jdt.core.dom.ASTVisitor$$EnhancerByCGLIB$$3a43f99.postVisit(<generated>) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2517) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2562) at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:312) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2514) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2562) at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:144) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2514) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:355) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:337) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:248) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:229) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:192) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parseRootMethods(JavaInfoParser.java:314) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:270) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:522) at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:510) at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:437) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683) at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:434) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:453) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:403) at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381) at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:251) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:229) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2745) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1432) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluateSWT(SwtInvocationEvaluatorInterceptor.java:90) at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluate(SwtInvocationEvaluatorInterceptor.java:60) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.tryInterceptors(InvocationEvaluator.java:378) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:255) ... 87 more Full context stack trace: java.lang.Error: new CTabFolder(composite, SWT.BORDER) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:71) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluateExpression(JavaInfoEvaluationHelper.java:630) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluate(JavaInfoEvaluationHelper.java:502) at org.eclipse.wb.internal.core.parser.JavaInfoParser.evaluateNode(JavaInfoParser.java:1313) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$1(JavaInfoParser.java:1304) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor$3.run(JavaInfoParser.java:605) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:113) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor.postVisit(JavaInfoParser.java:595) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.wb.core.eval.ExecutionFlowUtils$1.intercept(ExecutionFlowUtils.java:401) at org.eclipse.jdt.core.dom.ASTVisitor$$EnhancerByCGLIB$$3a43f99.postVisit(<generated>) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2517) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2562) at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:312) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2514) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2562) at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:144) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2514) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:355) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:337) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:248) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:229) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:192) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parseRootMethods(JavaInfoParser.java:314) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:270) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:522) at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:510) at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:437) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683) at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:434) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:453) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:403) at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381) at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:251) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:229) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2745) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1432) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 307 (Exception during constructor evaluation). new CTabFolder(composite, SWT.BORDER) CTabFolder(Composite,int) {<null>,2048} org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.createConstructorProblemException(InvocationEvaluator.java:593) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:268) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:81) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate0(AstEvaluationEngine.java:177) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:61) ... 84 more Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluateSWT(SwtInvocationEvaluatorInterceptor.java:90) at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluate(SwtInvocationEvaluatorInterceptor.java:60) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.tryInterceptors(InvocationEvaluator.java:378) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:255) ... 87 more Created attachment 208656 [details]
Sample with "Exception during constructor evaluation"
Hi Eric, enclosed you will find sample with the original code that was using CTab. Later I found out that even this code can't be used. Label lbl = new Label(composite, SWT.NONE); See DetailPage2.java. Thanks and regards, Jan Remove @wbp.parser.entryPoint from createContents(Composite) method JavaDoc. Support for IDetailsPage inheritance was added into WB several weeks ago. Without inheritance WB can not get instance of "toolkit", so can not create "composite", so passes "null" into CTabFolder constructor. after removing @wbp and using the latest Eclipse 3.7.1, the sample is working fine thanks |
Hi, I am using Eclipse Helios Service Release 2, Build id: 20110218-0911 and WindowBuilderPro - WindowBuilder Core 0.9.0.r36x201105061447 and having problem with this code. WindowBuilderPro is throwing this exception. Below you will find a code that doesn't work. Exception during constructor evaluation An exception happened during evaluation of new CTabFolder(composite, SWT.BORDER) Constructor CTabFolder(Composite,int) was used with the parameters {<null>,2048}. Note: null values may occur when parsing complex expressions that can't be resolved at design-time. org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). Stack trace: org.eclipse.wb.internal.core.utils.exception.DesignerException: 307 (Exception during constructor evaluation). new CTabFolder(composite, SWT.BORDER) CTabFolder(Composite,int) {<null>,2048} org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.createConstructorProblemException(InvocationEvaluator.java:593) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:268) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:81) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate0(AstEvaluationEngine.java:177) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:61) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluateExpression(JavaInfoEvaluationHelper.java:630) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluate(JavaInfoEvaluationHelper.java:502) at org.eclipse.wb.internal.core.parser.JavaInfoParser.evaluateNode(JavaInfoParser.java:1313) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$1(JavaInfoParser.java:1304) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor$3.run(JavaInfoParser.java:605) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:113) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor.postVisit(JavaInfoParser.java:595) at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.wb.core.eval.ExecutionFlowUtils$1.intercept(ExecutionFlowUtils.java:401) at org.eclipse.jdt.core.dom.ASTVisitor$$EnhancerByCGLIB$$678a1363.postVisit(<generated>) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2483) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2528) at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:312) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2480) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2528) at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:144) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2480) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:355) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:337) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:248) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:229) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:192) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parseRootMethods(JavaInfoParser.java:314) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:270) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:512) at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:500) at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:433) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:179) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4584) at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:430) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:449) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:399) at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381) at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:247) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:225) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2743) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1429) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:620) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) at org.eclipse.equinox.launcher.Main.run(Main.java:1408) Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluateSWT(SwtInvocationEvaluatorInterceptor.java:90) at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluate(SwtInvocationEvaluatorInterceptor.java:60) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.tryInterceptors(InvocationEvaluator.java:378) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:255) ... 87 more Full context stack trace: java.lang.Error: new CTabFolder(composite, SWT.BORDER) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:71) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluateExpression(JavaInfoEvaluationHelper.java:630) at org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper.evaluate(JavaInfoEvaluationHelper.java:502) at org.eclipse.wb.internal.core.parser.JavaInfoParser.evaluateNode(JavaInfoParser.java:1313) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$1(JavaInfoParser.java:1304) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor$3.run(JavaInfoParser.java:605) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:113) at org.eclipse.wb.internal.core.parser.JavaInfoParser$ExecutionFlowParseVisitor.postVisit(JavaInfoParser.java:595) at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.wb.core.eval.ExecutionFlowUtils$1.intercept(ExecutionFlowUtils.java:401) at org.eclipse.jdt.core.dom.ASTVisitor$$EnhancerByCGLIB$$678a1363.postVisit(<generated>) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2483) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2528) at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:312) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2480) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2528) at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:144) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2480) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:355) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement0(ExecutionFlowUtils.java:337) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visitStatement(ExecutionFlowUtils.java:316) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:248) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:229) at org.eclipse.wb.core.eval.ExecutionFlowUtils.visit(ExecutionFlowUtils.java:192) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parseRootMethods(JavaInfoParser.java:314) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:270) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:512) at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:500) at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:433) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:179) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4584) at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:430) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:449) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:399) at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381) at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:247) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:225) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2743) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1429) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:620) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) at org.eclipse.equinox.launcher.Main.run(Main.java:1408) Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 307 (Exception during constructor evaluation). new CTabFolder(composite, SWT.BORDER) CTabFolder(Composite,int) {<null>,2048} org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.createConstructorProblemException(InvocationEvaluator.java:593) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:268) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:81) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate0(AstEvaluationEngine.java:177) at org.eclipse.wb.core.eval.AstEvaluationEngine.evaluate(AstEvaluationEngine.java:61) ... 84 more Caused by: org.eclipse.wb.internal.core.utils.exception.DesignerException: 2005 (Null as parent argument.). at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluateSWT(SwtInvocationEvaluatorInterceptor.java:90) at org.eclipse.wb.internal.swt.model.widgets.SwtInvocationEvaluatorInterceptor.evaluate(SwtInvocationEvaluatorInterceptor.java:60) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.tryInterceptors(InvocationEvaluator.java:378) at org.eclipse.wb.internal.core.eval.evaluators.InvocationEvaluator.evaluate(InvocationEvaluator.java:255) ... 87 more Code that doesn't work /** * Create contents of the details page. * @param parent * @wbp.parser.entryPoint */ public void createContents(Composite parent) { FormToolkit toolkit = managedForm.getToolkit(); parent.setLayout(new FillLayout()); // initialize handlers super.createContents(parent); // detailSection = toolkit.createSection(parent, Section.EXPANDED | Section.TITLE_BAR); detailSection.setText("Parameter Group"); Composite composite1 = toolkit.createComposite(detailSection, SWT.NONE); Composite composite = composite1; toolkit.paintBordersFor(composite); detailSection.setClient(composite); composite.setLayout(new FormLayout()); tabFolder = new CTabFolder(composite, SWT.BORDER); FormData fd_tabFolder = new FormData(); fd_tabFolder.top = new FormAttachment(0); fd_tabFolder.left = new FormAttachment(0); fd_tabFolder.bottom = new FormAttachment(100, -61); fd_tabFolder.right = new FormAttachment(100, -20); tabFolder.setLayoutData(fd_tabFolder); toolkit.adapt(tabFolder); toolkit.paintBordersFor(tabFolder); The part before the tabFolder I am using on other 10 detail pages without any problem. I think there is some problem with parsing the code if there CTabFolder. Thanks and regards, Jan