myeclipse

myeclipse 打开文件的时候报错：

Could not open the editor: An exception was thrown during initialization

java.lang.NullPointerException

at org.jboss.tools.common.model.project.ProjectHome.getLocationFrom_project_File(ProjectHome.java:62)

at org.jboss.tools.common.model.project.ProjectHome.getLocation(ProjectHome.java:53)

at org.jboss.tools.common.model.project.ProjectHome.getLocation(ProjectHome.java:39)

at org.jboss.tools.common.model.project.ModelNature.checkModelNature(ModelNature.java:237)

at org.jboss.tools.common.model.util.EclipseResourceUtil.getModelNature(EclipseResourceUtil.java:245)

at org.jboss.tools.common.model.util.EclipseResourceUtil.getObjectByResource(EclipseResourceUtil.java:122)

at org.jboss.tools.common.core.resources.XModelObjectEditorInput.convertFileInput(XModelObjectEditorInput.java:203)

at org.jboss.tools.common.core.resources.XModelObjectEditorInput.checkInput(XModelObjectEditorInput.java:180)

at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditorPart.init(JSPMultiPageEditorPart.java:207)

at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:798)

at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647)

at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)

at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)

at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)

at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)

at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)

at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)

at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2682)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)

at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:365)

at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:168)

at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:229)

at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:208)

at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274)

at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:250)

at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:373)

at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:526)

at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)

at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:845)

at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)

at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)

at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:843)

at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1131)

at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1235)

at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264)

at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:258)

at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:298)

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:619)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)

at org.eclipse.equinox.launcher.Main.run(Main.java:1407)

at org.eclipse.equinox.launcher.Main.main(Main.java:1383)

解决办法：

删除 编译好的文件里面的xml文件

.settings/org.jboss.tools.jst.web.xml