Clearing property causes Eclipse to freeze

[vaadin-bot]

Originally by @emarc

---

Clearing the "Name" property can cause a complete freeze of Eclipse (at least on OS X = beachball, force quit required).

To reproduce:

• new Design
• add layout
• add component
• empty the components (generated) "Name"

-> freeze

[vaadin-bot]

Originally by @emarc

---

Manged to catch the exception:

java.lang.IllegalArgumentException: Invalid identifier : ><
    at org.eclipse.jdt.core.dom.SimpleName.setIdentifier(SimpleName.java:195)
    at org.eclipse.jdt.core.dom.AST.newSimpleName(AST.java:2202)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel$FieldsGenerator.extractModelData(ComponentJavaModel.java:454)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel$FieldsGenerator.inspectModel(ComponentJavaModel.java:434)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel$FieldsGenerator.inspectModel(ComponentJavaModel.java:438)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel$FieldsGenerator.<init>(ComponentJavaModel.java:396)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel$FieldsGenerator.addModelFields(ComponentJavaModel.java:374)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel.getRawJavaTextFromRoot(ComponentJavaModel.java:176)
    at com.vaadin.designer.eclipse.java.ComponentJavaModel.createJavaClassFromRoot(ComponentJavaModel.java:118)
    at com.vaadin.designer.eclipse.editors.VaadinEditor$Model2JavaHandler.updateJavaFile(VaadinEditor.java:947)
    at com.vaadin.designer.eclipse.editors.VaadinEditor$Model2JavaHandler.componentPropertyChange(VaadinEditor.java:958)
    at com.vaadin.designer.model.EditorController.firePropertyChangeEvent(EditorController.java:337)
    at com.vaadin.designer.model.ComponentModel.setTypedProperty(ComponentModel.java:136)
    at com.vaadin.designer.eclipse.views.PropertyEditorView$ComponentModelPropertySource.setPropertyValue(PropertyEditorView.java:190)
    at org.eclipse.ui.views.properties.PropertySheetEntry.valueChanged(PropertySheetEntry.java:787)
    at org.eclipse.ui.views.properties.PropertySheetEntry.setValue(PropertySheetEntry.java:728)
    at org.eclipse.ui.views.properties.PropertySheetEntry.applyEditorValue(PropertySheetEntry.java:151)
    at org.eclipse.ui.views.properties.PropertySheetEntry$1.applyEditorValue(PropertySheetEntry.java:108)
    at org.eclipse.jface.viewers.CellEditor$1.run(CellEditor.java:336)
    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:178)
    at org.eclipse.jface.viewers.CellEditor.fireApplyEditorValue(CellEditor.java:333)
    at org.eclipse.jface.viewers.TextCellEditor.handleDefaultSelection(TextCellEditor.java:298)
    at org.eclipse.jface.viewers.TextCellEditor$1.widgetDefaultSelected(TextCellEditor.java:147)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:119)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4188)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1467)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1490)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1475)
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4031)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3658)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
    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:483)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1465)