Eclipse Rcp 调用XML Editor

使用eclipse rcp 开发要调用xml的编辑器

FileDialog dialog=new FileDialog(window.getShell(),SWT.NONE);
String filePath=dialog.open();
String editorID="org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart";
FileEditorInput input=new FileEditorInput(filePath);

page.openEditor(input,editorID);

提示：PartInitException :Text editor does not have a document provider

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