Bonjour,

j'ai une exception dans mon projet j2ee au moment ou je veux lancer la page d'entree du site.

Je sais que c'est lié à l'annotation @Inject tapestry puisque quand je l'enleve l'exception n'apparait plus (mais il n'y plus d'injectoin)
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@Inject
	@Service("userManager")
	private UserManager userManager;
quelqu'un sait d'ou vien le probleme qui genere cette exception suivante (j'i mis la totalité)
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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An unexpected application exception has occurred.
 
    * java.lang.RuntimeException
      java.lang.ClassNotFoundException: caught an exception while obtaining a class file for tuto.webssh.web.pages.Login
    * java.lang.ClassNotFoundException
      caught an exception while obtaining a class file for tuto.webssh.web.pages.Login
 
      exception
          org.apache.tapestry.internal.services.TransformationException: Error obtaining injected value for field tuto.webssh.web.pages.Login.userManager: Service id 'userManager' is not defined by any module. Defined services: Alias, AliasOverrides, ApplicationDefaults, ApplicationGlobals, ApplicationInitializer, ApplicationStateManager, ApplicationStatePersistenceStrategySource, AssetObjectProvider, AssetSource, BeanBlockSource, BeanModelSource, BindingSource, ChainBuilder, ClassNameLocator, ClasspathAssetAliasManager, ClasspathAssetFactory, ClientPersistentFieldStorage, ClientPersistentFieldStrategy, ComponentActionRequestHandler, ComponentClassFactory, ComponentClassResolver, ComponentClassTransformWorker, ComponentClassTransformer, ComponentDefaultProvider, ComponentEventResultProcessor, ComponentInstanceResultProcessor, ComponentInstantiatorSource, ComponentInvocationMap, ComponentMessagesSource, ComponentSource, ComponentTemplateSource, Context, ContextAssetFactory, CookieSink, CookieSource, Cookies, DataTypeAnalyzer, DefaultDataTypeAnalyzer, DefaultImplementationBuilder, Environment, EnvironmentalShadowBuilder, ExceptionAnalyzer, ExceptionTracker, FactoryDefaults, FieldValidatorDefaultSource, FieldValidatorSource, HttpServletRequestHandler, InjectionProvider, LinkFactory, LocalizationSetter, LocationRenderer, LoggingDecorator, MarkupWriterFactory, MasterDispatcher, MasterObjectProvider, MetaDataLocator, ObjectRenderer, PageElementFactory, PageLoader, PageMarkupRenderer, PagePool, PageRenderInitializer, PageRenderRequestHandler, PageRenderSupport, PageResponseRenderer, PageTemplateLocator, PersistentFieldManager, PersistentLocale, PipelineBuilder, PropBindingFactory, PropertyAccess, PropertyConduitSource, PropertyShadowBuilder, Request, RequestEncodingInitializer, RequestExceptionHandler, RequestGlobals, RequestHandler, RequestPageCache, ResourceCache, ResourceDigestGenerator, ResourceStreamer, Response, ServiceLifecycleSource, ServletApplicationInitializer, StrategyBuilder, SymbolSource, TemplateParser, ThreadLocale, TranslatorDefaultSource, TranslatorSource, TypeCoercer, UpdateListenerHub, ValidationConstraintGenerator, ValidationMessagesSource, ValueEncoderSource, WebApplicationContext. 
 
    * org.apache.tapestry.internal.services.TransformationException
      Error obtaining injected value for field tuto.webssh.web.pages.Login.userManager: Service id 'userManager' is not defined by any module. Defined services: Alias, AliasOverrides, ApplicationDefaults, ApplicationGlobals, ApplicationInitializer, ApplicationStateManager, ApplicationStatePersistenceStrategySource, AssetObjectProvider, AssetSource, BeanBlockSource, BeanModelSource, BindingSource, ChainBuilder, ClassNameLocator, ClasspathAssetAliasManager, ClasspathAssetFactory, ClientPersistentFieldStorage, ClientPersistentFieldStrategy, ComponentActionRequestHandler, ComponentClassFactory, ComponentClassResolver, ComponentClassTransformWorker, ComponentClassTransformer, ComponentDefaultProvider, ComponentEventResultProcessor, ComponentInstanceResultProcessor, ComponentInstantiatorSource, ComponentInvocationMap, ComponentMessagesSource, ComponentSource, ComponentTemplateSource, Context, ContextAssetFactory, CookieSink, CookieSource, Cookies, DataTypeAnalyzer, DefaultDataTypeAnalyzer, DefaultImplementationBuilder, Environment, EnvironmentalShadowBuilder, ExceptionAnalyzer, ExceptionTracker, FactoryDefaults, FieldValidatorDefaultSource, FieldValidatorSource, HttpServletRequestHandler, InjectionProvider, LinkFactory, LocalizationSetter, LocationRenderer, LoggingDecorator, MarkupWriterFactory, MasterDispatcher, MasterObjectProvider, MetaDataLocator, ObjectRenderer, PageElementFactory, PageLoader, PageMarkupRenderer, PagePool, PageRenderInitializer, PageRenderRequestHandler, PageRenderSupport, PageResponseRenderer, PageTemplateLocator, PersistentFieldManager, PersistentLocale, PipelineBuilder, PropBindingFactory, PropertyAccess, PropertyConduitSource, PropertyShadowBuilder, Request, RequestEncodingInitializer, RequestExceptionHandler, RequestGlobals, RequestHandler, RequestPageCache, ResourceCache, ResourceDigestGenerator, ResourceStreamer, Response, ServiceLifecycleSource, ServletApplicationInitializer, StrategyBuilder, SymbolSource, TemplateParser, ThreadLocale, TranslatorDefaultSource, TranslatorSource, TypeCoercer, UpdateListenerHub, ValidationConstraintGenerator, ValidationMessagesSource, ValueEncoderSource, WebApplicationContext.

Merci d'avance