J2EE、WEBGIS项目开发 Tapestry、Prado、Zend框架学习

Tapestry5的错误提示真的是非常详细，它不但指出错误在哪？还会把正确的信息都列出来哦，下面的错误提示把所有可用的service都列出来了，非常方便！
------------
@Inject
 @Service("HttpSession")
 private HttpSession session;
此处出错----------

Defined services: ActionRenderResponseGenerator, AjaxComponentEventRequestHandler, AjaxComponentEventResultProcessor, AjaxPartialResponseRenderer, Alias, AliasOverrides, ApplicationDefaults, ApplicationGlobals, ApplicationInitializer, ApplicationStateManager, ApplicationStatePersistenceStrategySource, AspectDecorator, AssetBindingFactory, AssetObjectProvider, AssetSource, BSFServiceImpl, BaseURLSource, BeanBlockOverrideSource, BeanBlockSource, BeanModelSource, BindingSource, ChainBuilder, ClassNameLocator, ClasspathAssetAliasManager, ClasspathAssetFactory, ClasspathURLConverter, ClientPersistentFieldStorage, ClientPersistentFieldStrategy, ComponentClassCache, ComponentClassFactory, ComponentClassResolver, ComponentClassTransformWorker, ComponentClassTransformer, ComponentDefaultProvider, ComponentEventRequestHandler, ComponentEventResultProcessor, ComponentInstanceResultProcessor, ComponentInstantiatorSource, ComponentInvocationMap, ComponentMessagesSource, ComponentSource, ComponentTemplateSource, Context, ContextAssetFactory, ContextPathEncoder, ContextValueEncoder, CookieSink, CookieSource, Cookies, CtClassSource, DataTypeAnalyzer, DefaultDataTypeAnalyzer, DefaultFileItemFactory, DefaultHibernateConfigurer, DefaultImplementationBuilder, EndOfRequestListenerHub, Environment, EnvironmentalShadowBuilder, ExceptionAnalyzer, ExceptionTracker, FactoryDefaults, FieldTranslatorSource, FieldValidationSupport, FieldValidatorDefaultSource, FieldValidatorSource, FormSupport, FreeMarkerService, GoogleMapService, HibernateEntityPackageManager, HibernateSessionManager, HibernateSessionSource, HibernateTransactionDecorator, HiddenFieldLocationRules, HiveMind, HttpServletRequest, HttpServletRequestHandler, IgnoredPathsFilter, ImageServiceImpl, InjectionProvider, InternalRequestGlobals, JasperReportsService, LinkFactory, LocalizationSetter, LocationRenderer, LoggingDecorator, MarkupRenderer, MarkupWriterFactory, MasterDispatcher, MasterObjectProvider, MessageBindingFactory, MetaDataLocator, MultipartDecoder, NullFieldStrategyBindingFactory, NullFieldStrategySource, ObjectRenderer, PageActivationContextCollector, PageContentTypeAnalyzer, PageDocumentGenerator, PageElementFactory, PageLoader, PageMarkupRenderer, PagePool, PageRenderQueue, PageRenderRequestHandler, PageResourcesSource, PageResponseRenderer, PageTemplateLocator, PartialMarkupRenderer, PersistentFieldManager, PersistentLocale, PipelineBuilder, PropBindingFactory, PropertyAccess, PropertyConduitSource, PropertyShadowBuilder, RegistryStartup, RenderSupport, Request, RequestExceptionHandler, RequestGlobals, RequestHandler, RequestPageCache, RequestPathOptimizer, RequestSecurityManager, ResourceCache, ResourceDigestGenerator, ResourceStreamer, Response, ResponseRenderer, ServiceLifecycleSource, ServletApplicationInitializer, Session, SessionApplicationStatePersistenceStrategy, StrategyBuilder, SymbolSource, TemplateParser, ThreadLocale, ThumbnailService, TranslateBindingFactory, TranslatorSource, TypeCoercer, URIAssetAliasManager, URIAssetFactory, URLEncoder, UpdateListenerHub, ValidateBindingFactory, ValidationConstraintGenerator, ValidationMessagesSource, ValueEncoderSource, VelocityService, WebApplicationContext, applicationEventMulticaster, dataSource, messageSource, org.springframework.aop.config.internalAutoProxyCreator, org.springframework.aop.support.DefaultBeanFactoryPointcutAdvisor#0, productDao, productService, propertyConfigurer, sqlMapClient, transactionManager, txAdvice, user, userDao, userService.