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Home » Eclipse Projects » WindowBuilder » Error in Designer using Observable Collections
Error in Designer using Observable Collections [message #1782058] Fri, 16 February 2018 15:29
Dennis Erlach is currently offline Dennis ErlachFriend
Messages: 1
Registered: February 2018
Junior Member
Hello everyone,

I am experiencing an error with the Window Editor Designer.

Environment
Environments which I have tested are as follows:
Eclipse IDE for Java EE Developers Versions
  • Oxygen(4.7.0)
  • Oxygen(4.7.2)
  • Neon(4.6.1)

JDK Versions
  • 1.8.0_102
  • 1.8.0_162

Window Builder Versions
Integrated

Operating System
  • Windows 10
  • Mac OS X (Sierra)


Error Description
The error occurs if I use a Class in my Dialog or Part which inherits ObservableList.
For example a WritableList.
I do not need to do anything with the WritableList.
The error occurs even if a WritableList is only declared in the Class-File.
private WritableList list;


Opening the Designer gives me the following Error:

Message
Designer [1.9.1.201710100405.201802161553]: Expecting a stackmap frame at branch target 8
Exception Details:
  Location:
    org/eclipse/core/databinding/observable/list/ObservableList.<init>(Lorg/eclipse/core/databinding/observable/Realm;Ljava/util/List;Ljava/lang/Object;)V @1: ifnonnull
  Reason:
    Expected stackmap frame at this location.
  Bytecode:
    0x0000000: 2cc7 0007 b200 284d 2a2b b700 2b2a 03b5
    0x0000010: 002d 2a2c b500 2f2a 2db5 0031 b1


StackTrace
Exception Details:
  Location:
    org/eclipse/core/databinding/observable/list/ObservableList.<init>(Lorg/eclipse/core/databinding/observable/Realm;Ljava/util/List;Ljava/lang/Object;)V @1: ifnonnull
  Reason:
    Expected stackmap frame at this location.
  Bytecode:
    0x0000000: 2cc7 0007 b200 284d 2a2b b700 2b2a 03b5
    0x0000010: 002d 2a2c b500 2f2a 2db5 0031 b1       

	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.privateGetPublicMethods(Class.java:2902)
	at java.lang.Class.getMethods(Class.java:1615)
	at java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1336)
	at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1197)
	at java.beans.Introspector.getBeanInfo(Introspector.java:426)
	at java.beans.Introspector.getBeanInfo(Introspector.java:173)
	at java.beans.Introspector.getBeanInfo(Introspector.java:260)
	at java.beans.Introspector.<init>(Introspector.java:407)
	at java.beans.Introspector.getBeanInfo(Introspector.java:173)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.bindables.BeanSupport.getPropertyDescriptors(BeanSupport.java:366)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.bindables.BeanSupport.getProperties(BeanSupport.java:133)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.bindables.BeanBindableInfo.getProperties(BeanBindableInfo.java:103)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.bindables.FieldBeanBindableInfo.<init>(FieldBeanBindableInfo.java:66)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.bindables.FieldBeanBindableInfo.<init>(FieldBeanBindableInfo.java:52)
	at org.eclipse.wb.internal.rcp.databinding.model.beans.BeansObserveTypeContainer.createObservables(BeansObserveTypeContainer.java:379)
	at org.eclipse.wb.internal.rcp.databinding.parser.DatabindingParser.<init>(DatabindingParser.java:59)
	at org.eclipse.wb.internal.rcp.databinding.parser.DatabindingParser.parse(DatabindingParser.java:45)
	at org.eclipse.wb.internal.rcp.databinding.JFaceDatabindingsFactory.createProvider(JFaceDatabindingsFactory.java:38)
	at org.eclipse.wb.internal.core.databinding.parser.DatabindingRootProcessor.process(DatabindingRootProcessor.java:58)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.callRootProcessors(JavaInfoParser.java:457)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.getRoot(JavaInfoParser.java:415)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.parseRootMethods(JavaInfoParser.java:322)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:268)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:238)
	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:159)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:534)
	at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:522)
	at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:449)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4871)
	at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:446)
	at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:437)
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:353)
	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:483)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:465)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:415)
	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:263)
	at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:241)
	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:249)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4258)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1502)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1525)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1510)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1314)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3187)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1870)
	at org.eclipse.swt.custom.CTabFolder.lambda$0(CTabFolder.java:328)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4258)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1502)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1525)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1510)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1314)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4082)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3699)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
	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)


Consequences and Following Errors
The Designer does not crash.
It opens the Designer an it works fine.

The real problem starts when I create a Dialog wich extends a Dialog that generates this error.
Then the Designer won't show up.
It just generates the following error:
Exception during 'super' constructor evaluation
An exception happened during evaluation of constructor ExtendedTitleAreaDialog(Shell,String,String) using arguments {Shell {},ExtendedTitle,ExtendedInfo}.
java.lang.VerifyError: Expecting a stackmap frame at branch target 8
Exception Details:
  Location:
    org/eclipse/core/databinding/observable/list/ObservableList.<init>(Lorg/eclipse/core/databinding/observable/Realm;Ljava/util/List;Ljava/lang/Object;)V @1: ifnonnull
  Reason:
    Expected stackmap frame at this location.
  Bytecode:
    0x0000000: 2cc7 0007 b200 284d 2a2b b700 2b2a 03b5
    0x0000010: 002d 2a2c b500 2f2a 2db5 0031 b1


Steps to reproduce
The Error is very easy to reproduce.
Just create a TitleAreaDialog and declare a WritableList.
For example:
public class TestDialog extends TitleAreaDialog {

	private ObservableList list;


Then open the File in Window Builder Designer.
In the Error Log/Workspace Log you will see the Error.

Solutions?
I have not found any way to solve this problem.
As you can see i have tried with different Environments (Eclipse Versions, JDK Versions, OS)
Any help would be appreciated.

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