Getting "attacked" by null argument exception

[emaayan]

hi.. i have no idea when this exceptions comes from, but i'm getting loads of it in the log..
org.eclipse.wb.internal.core.utils.check.AssertionFailedException: null argument: org.eclipse.wb.internal.core.databinding.model.SynchronizeManager isn't work ({new: org.eclipse.jface.viewers.TableViewer} {field-unique: tableViewer} {/new TableViewer(this, SWT.BORDER | SWT.FULL_SELECTION)/ /tableViewer.getTable()/ /tableViewer.setContentProvider(listContentProvider)/ /tableViewer.setLabelProvider(new ObservableMapLabelProvider(observeMaps))/ /tableViewer.setInput(writableList)/})
at org.eclipse.wb.internal.core.utils.check.Assert.fail(Assert.java:224)
at org.eclipse.wb.internal.core.utils.check.Assert.isNotNull(Assert.java:173)
at org.eclipse.wb.internal.rcp.databinding.ui.property.BindingsProperty.createProperties(BindingsProperty.java:69)
at org.eclipse.wb.internal.core.databinding.ui.property.AbstractBindingsProperty.getProperties(AbstractBindingsProperty.java:63)
at org.eclipse.wb.internal.core.databinding.ui.property.BindingsPropertyEditor.getProperties(BindingsPropertyEditor.java:35)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable$PropertyInfo.getSubProperties(PropertyTable.java:1468)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable$PropertyInfo.prepareChildren(PropertyTable.java:1454)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable$PropertyInfo.expand(PropertyTable.java:1373)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable$PropertyInfo.expandFromHistory(PropertyTable.java:1488)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable.setInput0(PropertyTable.java:778)
at org.eclipse.wb.internal.core.model.property.table.PropertyTable.setInput(PropertyTable.java:742)
at org.eclipse.wb.internal.core.editor.structure.property.ComponentsPropertiesPage.showProperties(ComponentsPropertiesPage.java:643)
at org.eclipse.wb.internal.core.editor.structure.property.ComponentsPropertiesPage.access$18(ComponentsPropertiesPage.java:636)
at org.eclipse.wb.internal.core.editor.structure.property.ComponentsPropertiesPage$13.run(ComponentsPropertiesPage.java:607)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runLog(ExecutionUtils.java:100)
at org.eclipse.wb.internal.core.editor.structure.property.ComponentsPropertiesPage.refreshProperties(ComponentsPropertiesPage.java:602)
at org.eclipse.wb.internal.core.editor.structure.property.ComponentsPropertiesPage.setSelection(ComponentsPropertiesPage.java:282)
at org.eclipse.wb.internal.core.editor.structure.DesignComponentsComposite$1.selectionChanged(DesignComponentsComposite.java:71)
at org.eclipse.wb.internal.core.utils.gef.EditPartsSelectionProvider.fireSelectionChanged(EditPartsSelectionProvider.java:111)
at org.eclipse.wb.internal.core.utils.gef.EditPartsSelectionProvider.access$0(EditPartsSelectionProvider.java:102)
at org.eclipse.wb.internal.core.utils.gef.EditPartsSelectionProvider$1.selectionChanged(EditPartsSelectionProvider.java:40)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.fireSelectionChanged(AbstractEditPartViewer.java:202)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.setSelection(AbstractEditPartViewer.java:262)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage.setSelection(ComponentsTreePage.java:209)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage.selectTreeViewer(ComponentsTreePage.java:139)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage.access$1(ComponentsTreePage.java:137)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage$2.selectionChanged(ComponentsTreePage.java:129)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.fireSelectionChanged(AbstractEditPartViewer.java:202)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.appendSelection(AbstractEditPartViewer.java:234)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.select(AbstractEditPartViewer.java:276)
at org.eclipse.wb.gef.core.tools.SelectEditPartTracker.performSelection(SelectEditPartTracker.java:141)
at org.eclipse.wb.gef.core.tools.SelectEditPartTracker.handleButtonDown(SelectEditPartTracker.java:73)
at org.eclipse.wb.gef.core.tools.Tool.mouseDown(Tool.java:385)
at org.eclipse.wb.gef.graphical.tools.SelectionTool.mouseDown(SelectionTool.java:240)
at org.eclipse.wb.internal.gef.core.EditDomain.mouseDown(EditDomain.java:244)
at org.eclipse.wb.internal.gef.graphical.EditEventManager.mouseDown(EditEventManager.java:133)
at sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.wb.internal.draw2d.EventManager$8.invoke(EventManager.java:325)
at $Proxy1.mouseDown(Unknown Source)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:185)
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(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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)
at org.eclipse.equinox.launcher.Main.main(Main.java:1384)

[Eric Clayberg]

i have no idea when this exceptions comes from

Without a test case or any context, I have no idea either.

Seeing the entire log would also be helpful.