Java Model Exception: Core Exception [code 275] A resource exists with a different case: '/asdasd/WebContent/pages/hello.jsp'.
	at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:50)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:720)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
	at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4466)
	at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange.perform(DynamicValidationStateChange.java:101)
	at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
	at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
	at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(UIPerformChangeOperation.java:1)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(UIPerformChangeOperation.java:66)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(UIPerformChangeOperation.java:84)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3659)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3296)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:158)
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326)
	at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:553)
	at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:619)
	at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439)
	at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464)
	at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:616)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
	at org.eclipse.jface.window.Window.open(Window.java:796)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:142)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154)
	at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49)
	at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60)
	at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31)
	at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:432)
	at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49)
	at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:546)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
	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:508)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1148)
Caused by: org.eclipse.core.internal.resources.ResourceException: A resource exists with a different case: '/asdasd/WebContent/pages/hello.jsp'.
	at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:298)
	at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:276)
	at org.eclipse.core.internal.resources.Resource.checkMoveRequirements(Resource.java:364)
	at org.eclipse.core.internal.resources.Resource.assertMoveRequirements(Resource.java:184)
	at org.eclipse.core.internal.resources.Resource.move(Resource.java:1347)
	at org.eclipse.jdt.internal.corext.refactoring.changes.RenameResourceChange.perform(RenameResourceChange.java:96)
	at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
	at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange.access$0(DynamicValidationStateChange.java:1)
	at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange$1.run(DynamicValidationStateChange.java:98)
	at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:39)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:720)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
	at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4466)
	at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange.perform(DynamicValidationStateChange.java:101)
	at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
	at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
	at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(UIPerformChangeOperation.java:1)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(UIPerformChangeOperation.java:66)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(UIPerformChangeOperation.java:84)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3659)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3296)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:158)
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326)
	at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:553)
	at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:619)
	at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439)
	at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464)
	at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:616)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
	at org.eclipse.jface.window.Window.open(Window.java:796)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:142)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
	at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154)
	at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49)
	at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60)
	at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31)
	at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:432)
	at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49)
	at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:546)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
	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:508)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1148)