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org.eclipse.core.internal.resources.Folder cannot be cast to org.eclipse.jdt.core.IJavaElement
java.lang.ClassCastException: org.eclipse.core.internal.resources.Folder cannot be cast to org.eclipse.jdt.core.IJavaElement	at org.eclipse.jdt.internal.corext.refactoring.codingspectator.RefactoringGlobalStore.setStructuredSelection(RefactoringGlobalStore.java:87)	at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:123)	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.jface.action.Action.runWithEvent(Action.java:498)	at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:119)	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1524)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1257)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1267)	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1294)	at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:730)	at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:2841)	at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:734)	at org.eclipse.swt.widgets.Tree.gtk_key_press_event(Tree.java:1977)	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1743)	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4796)	at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:3485)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4360)	at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)	at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8189)	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1238)	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2237)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3159)	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)