Bonjour,
J'ai installé eclipse sur mon nouveau PC. Le problème quand je veux creer une nouvelle servlet le programme m'envoie l'erreur suivante :

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java.lang.Error: Unresolved compilation problems: 
	The import org.eclipse.jst.j2ee.internal cannot be resolved
	CreateServletTemplateModel cannot be resolved to a type
	CreateServletTemplateModel cannot be resolved to a type
 
 
	at org.eclipse.jst.j2ee.web.ServletTemplate.<init>(ServletTemplate.java:3)
 
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
 
	at java.lang.Class.newInstance0(Unknown Source)
 
	at java.lang.Class.newInstance(Unknown Source)
 
	at org.eclipse.emf.codegen.jet.JETEmitter.setMethod(JETEmitter.java:279)
 
	at org.eclipse.jst.j2ee.internal.project.WTPJETEmitter.loadClass(WTPJETEmitter.java:358)
 
	at org.eclipse.jst.j2ee.internal.project.WTPJETEmitter.initialize(WTPJETEmitter.java:231)
 
	at org.eclipse.jst.j2ee.internal.project.WTPJETEmitter.<init>(WTPJETEmitter.java:111)
 
	at org.eclipse.jst.j2ee.internal.web.operations.NewServletClassOperation.generateTemplateSource(NewServletClassOperation.java:351)
 
	at org.eclipse.jst.j2ee.internal.web.operations.NewServletClassOperation.generateUsingTemplates(NewServletClassOperation.java:245)
 
	at org.eclipse.jst.j2ee.internal.web.operations.NewServletClassOperation.doExecute(NewServletClassOperation.java:180)
 
	at org.eclipse.jst.j2ee.internal.web.operations.NewServletClassOperation.execute(NewServletClassOperation.java:423)
 
	at org.eclipse.jst.j2ee.internal.web.operations.AddServletOperation.createServletClass(AddServletOperation.java:144)
 
	at org.eclipse.jst.j2ee.internal.web.operations.AddServletOperation.doExecute(AddServletOperation.java:120)
 
	at org.eclipse.jst.j2ee.internal.web.operations.AddServletOperation$1.run(AddServletOperation.java:426)
 
	at org.eclipse.jst.jee.model.internal.JEE5ModelProvider.modify(JEE5ModelProvider.java:237)
 
	at org.eclipse.jst.j2ee.internal.web.operations.AddServletOperation.execute(AddServletOperation.java:432)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl$1.run(DataModelPausibleOperationImpl.java:376)
 
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.runOperation(DataModelPausibleOperationImpl.java:401)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.runOperation(DataModelPausibleOperationImpl.java:352)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.doExecute(DataModelPausibleOperationImpl.java:242)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.executeImpl(DataModelPausibleOperationImpl.java:214)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.cacheThreadAndContinue(DataModelPausibleOperationImpl.java:89)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelPausibleOperationImpl.execute(DataModelPausibleOperationImpl.java:202)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizard$1$CatchThrowableRunnableWithProgress.run(DataModelWizard.java:211)
 
	at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:369)
 
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:313)
 
	at org.eclipse.jface.wizard.WizardDialog.run(WizardDialog.java:934)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizard.runOperations(DataModelWizard.java:220)
 
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizard.performFinish(DataModelWizard.java:178)
 
	at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:742)
 
	at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:373)
 
	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.ui.internal.navigator.wizards.WizardShortcutAction.run(WizardShortcutAction.java:94)
 
	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)
Comment c'est possible ? d'ou vient l'erreur ?