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Problem deleting Objects #634

Description

@elmanueh

If i create a Jpanel BorderLayout and i insert other Jpanel inside, i have a problem deleting it. Index 1 length 0.

package umu.tds.vista.main;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.BorderLayout;
import javax.swing.JLabel;

public class dsad extends JFrame {

	private static final long serialVersionUID = 1L;
	private JPanel contentPane;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					dsad frame = new dsad();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public dsad() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));

		setContentPane(contentPane);
		contentPane.setLayout(new BorderLayout(0, 0));
		
		JLabel lblNewLabel = new JLabel("New label");
		contentPane.add(lblNewLabel, BorderLayout.CENTER);
		remove(lblNewLabel);
		
	}

}

I cant delete, for example here, the JLabel. Here its the problem.

Full context stack trace:
java.lang.IndexOutOfBoundsException: Index: 1, Length: 0
	at org.apache.commons.lang.ArrayUtils.remove(ArrayUtils.java:4867)
	at org.apache.commons.lang.ArrayUtils.remove(ArrayUtils.java:4287)
	at org.eclipse.wb.internal.core.utils.ast.binding.DesignerMethodBinding.removeParameterType(DesignerMethodBinding.java:93)
	at org.eclipse.wb.internal.core.utils.ast.AstEditor.removeInvocationArgument(AstEditor.java:3185)
	at org.eclipse.wb.internal.core.utils.ast.AstEditor.removeInvocationArgument(AstEditor.java:3147)
	at org.eclipse.wb.internal.swing.model.layout.LayoutInfo.removeComponentConstraints(LayoutInfo.java:309)
	at org.eclipse.wb.internal.swing.model.layout.LayoutInfo$1.before(LayoutInfo.java:103)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.wb.core.model.broadcast.BroadcastSupport.lambda$0(BroadcastSupport.java:207)
	at org.eclipse.wb.core.model.broadcast.ObjectInfoDelete$ByteBuddy$oIyRTsZH.before(Unknown Source)
	at org.eclipse.wb.core.model.JavaInfo$7.run(JavaInfo.java:812)
	at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.run(ExecutionUtils.java:331)
	at org.eclipse.wb.core.model.JavaInfo.delete(JavaInfo.java:805)
	at org.eclipse.wb.core.model.AbstractComponentInfo.delete(AbstractComponentInfo.java:226)
	at org.eclipse.wb.internal.core.editor.actions.DeleteAction$2.executeEdit(DeleteAction.java:123)
	at org.eclipse.wb.core.gef.command.EditCommand.lambda$0(EditCommand.java:50)
	at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.run(ExecutionUtils.java:331)
	at org.eclipse.wb.core.gef.command.EditCommand.execute(EditCommand.java:50)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
	at org.eclipse.gef.commands.CompoundCommand.execute(CompoundCommand.java:136)
	at org.eclipse.wb.core.gef.command.CompoundEditCommand.access$0(CompoundEditCommand.java:1)
	at org.eclipse.wb.core.gef.command.CompoundEditCommand.lambda$0(CompoundEditCommand.java:45)
	at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.run(ExecutionUtils.java:331)
	at org.eclipse.wb.core.gef.command.CompoundEditCommand.execute(CompoundEditCommand.java:45)
	at org.eclipse.wb.internal.gef.core.EditDomain.executeCommand(EditDomain.java:50)
	at org.eclipse.wb.internal.core.editor.actions.DeleteAction.run(DeleteAction.java:64)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:474)
	at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:121)
	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:97)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:300)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:173)
	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:156)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:580)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:655)
	at org.eclipse.e4.ui.bindings.keys.OutOfOrderListener.handleEvent(OutOfOrderListener.java:75)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4274)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1090)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1075)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1117)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1113)
	at org.eclipse.swt.widgets.Widget.wmKeyDown(Widget.java:1840)
	at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Control.java:5153)
	at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Tree.java:6274)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4776)
	at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:6142)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5040)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3658)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1155)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:645)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:552)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:171)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1459)

Im using the latest version of Eclipse and WindowBuilder, and the project is builded with Java SE-1.8.

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