An error occurs as follows:
Prompt for error message:Could not open the Editor:an unexpected exception is thrown.
Java.lang.NullPointerException
At Com.genuitec.eclipse.struts.editor.modeler.model.StrutsConfigDiagram.processAction (Strutsconfigdiagram.java : 574)
At Com.genuitec.eclipse.struts.editor.modeler.model.StrutsConfigDiagram.synchronizeDiagram ( strutsconfigdiagram.java:479)
At Com.genuitec.eclipse.struts.editor.modeler.model.StrutsConfigDiagram.differedSynchronize ( STRUTSCONFIGDIAGRAM.JAVA:120)
At Com.genuitec.eclipse.struts.editor.multipage.StrutsConfigEditor.createPages (strutsconfigeditor.java:296)
At Org.eclipse.ui.part.MultiPageEditorPart.createPartControl (multipageeditorpart.java:357)
At Org.eclipse.ui.internal.EditorReference.createPartHelper (editorreference.java:662)
At Org.eclipse.ui.internal.EditorReference.createPart (editorreference.java:462)
At Org.eclipse.ui.internal.WorkbenchPartReference.getPart (workbenchpartreference.java:595)
At Org.eclipse.ui.internal.PartPane.setVisible (partpane.java:313)
At Org.eclipse.ui.internal.presentations.PresentablePart.setVisible (presentablepart.java:180)
At Org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select (presentablepartfolder.java:270)
At Org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select (lefttorighttaborder.java:65)
At Org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart (Tabbedstackpresentation.java : 473)
At Org.eclipse.ui.internal.PartStack.refreshPresentationSelection (partstack.java:1256)
At Org.eclipse.ui.internal.PartStack.setSelection (partstack.java:1209)
At Org.eclipse.ui.internal.PartStack.showPart (partstack.java:1608)
At Org.eclipse.ui.internal.PartStack.add (partstack.java:499)
At Org.eclipse.ui.internal.EditorStack.add (editorstack.java:103)
At Org.eclipse.ui.internal.PartStack.add (partstack.java:485)
At Org.eclipse.ui.internal.EditorStack.add (editorstack.java:112) ...
Workaround:
Right-click on the Struts-config.xml directory and open with-->myeclipse XML editor
MyEclipse Struts-config.xml could not open the Editor:an unexpected exception was thrown error (reprinted)