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Unable to create editor ID tableview.editors.MultiPageEditor: null argument [message #522161]

Sat, 20 March 2010 12:39

Eclipse User

I want to add one page for the xmlmultipageeditor, so I subclass xmlmultipageeditor and add one page, in the page, I want to display the xml cotent in one table control. Firstly, I should setInput the IDocument to the tableviewer.

But in the setInput(editorInput), it always error as following:
who can help me...?

ENTRY org.eclipse.ui 4 0 2010-03-21 00:24:04.968
!MESSAGE Unable to create editor ID tableview.editors.MultiPageEditor: null argument:
!STACK 0
org.eclipse.core.runtime.AssertionFailedException: null argument:
at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:86)
at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:74)
at org.eclipse.jface.viewers.StructuredViewer.assertElementsNot Null(StructuredViewer.java:578)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(St ructuredViewer.java:938)
at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(Column Viewer.java:703)
at org.eclipse.jface.viewers.AbstractTableViewer.getRawChildren (AbstractTableViewer.java:1071)
at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildr en(StructuredViewer.java:871)
at org.eclipse.jface.viewers.StructuredViewer.getSortedChildren (StructuredViewer.java:994)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefres hAll(AbstractTableViewer.java:685)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefres h(AbstractTableViewer.java:633)
at org.eclipse.jface.viewers.AbstractTableViewer.internalRefres h(AbstractTableViewer.java:620)
at org.eclipse.jface.viewers.AbstractTableViewer$2.run(Abstract TableViewer.java:576)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelecti on(StructuredViewer.java:1365)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelecti on(StructuredViewer.java:1328)
at org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(A bstractTableViewer.java:574)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentView er.java:274)
at org.eclipse.jface.viewers.StructuredViewer.setInput(Structur edViewer.java:1603)
at tableview.editors.MultiPageEditor2.connectTablePage(MultiPag eEditor2.java:66)
at tableview.editors.MultiPageEditor2.createPages(MultiPageEdit or2.java:47)
at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(Mu ltiPageEditorPart.java:310)
at org.eclipse.ui.internal.EditorReference.createPartHelper(Edi torReference.java:661)
at org.eclipse.ui.internal.EditorReference.createPart(EditorRef erence.java:428)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(Workb enchPartReference.java:594)
at org.eclipse.ui.internal.EditorAreaHelper.setVisibleEditor(Ed itorAreaHelper.java:263)
at org.eclipse.ui.internal.EditorManager.setVisibleEditor(Edito rManager.java:1410)
at org.eclipse.ui.internal.EditorManager$5.runWithException(Edi torManager.java:944)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run (StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:3 5)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:133)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.jav a:3800)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3425)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(Work benchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$27.runWithException(Workbe nch.java:1363)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run (StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:3 5)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:133)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.jav a:3800)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3425)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2295)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 00)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
at org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:288)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:490)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:193)
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(EclipseS tarter.java:386)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.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: 549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)

Re: Unable to create editor ID tableview.editors.MultiPageEditor: null argument [message #522242 is a reply to message #522161]

Sun, 21 March 2010 13:15

Eclipse User

Double check your content provider; you are not allowed to return nulls. And actually I'm not sure if the text IDocument is useful, by itself, for your goal.

http://www.eclipse.org/articles/Article-TreeViewer/TreeViewe rArticle.htm may be of help.

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