Spring Framework 5.0 M3 发布

Spring Framework 5.0 M3 发布了，主要更新如下：

子任务

[SPR-14865] – ServerWebExchangeArgumentResolver should resolve Principal

Bug

[SPR-14304] – ObjectToObjectConverter should be able to use constructors on non-public classes
[SPR-14324] – Async advisor retrieval blocks when triggered by singleton init method
[SPR-14597] – CssLinkResourceTransformer is incompatible with ContentVersionStrategy when using Caching
[SPR-14748] – Error while serializing ServerSentEvent
[SPR-14749] – DefaultPersistenceUnitManager may configure a persistence unit root URL that does not point to a file or directory
[SPR-14761] – IPv6 + Origin header + X-Forwarded-Host header gives NumberFormatException (Safari10 / CORS)
[SPR-14767] – ETag header is removed from PUT/POST/PATCH responses
[SPR-14772] – Flux<ServerSentEvent> looses messages when using a Processor from another Thread
[SPR-14778] – SpringValidatorAdapter’s ResolvableAttribute is not serializable
[SPR-14781] – @CacheConfig(cacheNames) broken when used on interface
[SPR-14792] – Access-Control-Allow-Methods contains duplicate HTTP methods
[SPR-14794] – Fix HttpRequest#getURI() with Netty based engines
[SPR-14796] – ModelAndView’s setStatus does not work for @ExceptionHandler methods
[SPR-14801] – Cache annotation lookup in 4.3 finds more annotations than in 4.2
[SPR-14833] – SockJs heartbeat causes deadlock with XHR polling
[SPR-14846] – SimpleApplicationEventMulticaster should not generally suppress ClassCastException
[SPR-14848] – LiveBeansView#unregister should not rely on ApplicationContext#getApplicationName
[SPR-14850] – NPE PropertyOrFieldReference$AccessorLValue due to concurrency issue
[SPR-14851] – ResourceHttpRequestHandler no longer works as prototype bean
[SPR-14853] – Allow @Cacheable method to return java.util.Optional variant of cached value with @Cacheable(sync=true)
[SPR-14859] – JsonObjectDecoder fails to decode some splitted source
[SPR-14863] – SpEL: Compiled OpNE should favor equals() to !=
[SPR-14869] – [spring-web-reactive] NPE in RequestMappingHandlerAdapter at Startup
[SPR-14876] – Wrong HandlerResultHandler select when dealing with exceptions
[SPR-14877] – Returning Mono<ResponseEntity<?>> causes NPE

改进

[SPR-8282] – BindingResult should not hold on to ConversionService when serialized in session
[SPR-10502] – context:property-placeholder should accept comma-separated list as placeholder value for its location attribute
[SPR-14277] – Allow customization of TestDispatcherServlet when using @MockMvcTest
[SPR-14408] – Introduce HttpHeaders getContentDisposition() and setContentDisposition()
[SPR-14583] – Method getMergedProperties in ReloadableResourceBundleMessageSource does not set fileTimestamp
[SPR-14649] – Support @EnabledIf and @DisabledIf without loading ApplicationContext
[SPR-14680] – Add way to obtain Principal from ServerWebExchange
[SPR-14717] – Print request body in PrintingResultHandler in Spring MVC Test
[SPR-14726] – Add support for context paths in Spring Web Reactive
[SPR-14737] – YAML + PropertyPlaceholderConfigurer needs to process non-String values as well
[SPR-14739] – Default async timeout handling results in Logged Exception for Tomcat 8.5.x
[SPR-14744] – Netty4ClientHttpRequestFactory should configure a default SslContext
[SPR-14747] – Improve performance of StompEncoder.encode()
[SPR-14750] – Close resources in WebClient and ClientHttpConnector
[SPR-14754] – Add @EnableWebReactive and WebReactiveConfigurerAdapter configuration model
[SPR-14760] – Reduce String allocations in TransactionAspectSupport.methodIdentification()
[SPR-14776] – Only print printable content for request and response body in Spring MVC Test
[SPR-14780] – Remove @Inherited from @Primary
[SPR-14783] – Inner bean behind BeanFactoryPostProcessor should be able to receive application events
[SPR-14790] – Add support for URI templates in redirectedUrl() & forwardedUrl()
[SPR-14791] – StompSubProtocolHandler makes the same assumption about header accessor as SimpleBrokerMessageHandler used to
[SPR-14798] – Better encapsulate and Javadoc CORS configuration defaults
[SPR-14799] – IllegalArgumentException: HttpEntity parameter ‘null’
[SPR-14810] – Remove not existing NativeJdbcExtractors from documentation
[SPR-14811] – Replace J2EE with Java EE
[SPR-14815] – Hibernate 5 LocalSessionFactoryBean should allow for dynamic mapping registration (like for Hibernate 4)
[SPR-14816] – Allow type produced by ScopedProxyFactoryBean to be determined before singleton is created
[SPR-14822] – GenericConversionService.addConverter should be able to determine generic types from target class behind proxy
[SPR-14825] – Do not use Jackson2JsonEncoder for byte array
[SPR-14826] – ResolvableType equals method should not consider TypeProvider source
[SPR-14830] – Support @ResponseStatus on reactive controller methods
[SPR-14831] – Type information not available on NoSuchBeanDefinitionException for collections
[SPR-14837] – ApplicationContext-based initialization of reactive WebFilter, WebHandler, WebExceptionHandler infrastructure
[SPR-14844] – AnnotationFormatterFactory should support @AliasFor
[SPR-14845] – Make HttpComponentsAsyncClientHttpRequest abortable
[SPR-14847] – TransactionStatus.flush() should trigger TransactionSynchronization.flush() when using DataSourceTransactionManager
[SPR-14852] – Improve WebClient error handling
[SPR-14854] – Consider making MessageChannel a @FunctionalInterface
[SPR-14856] – Possibility to use org.springframework.cache.support.NoOpCacheManager.NoOpCache as public class as NoOpCacheManager
[SPR-14861] – Log exception from @ExceptionHandler at higher level than debug
[SPR-14862] – Use String.intern() for Annotation and Class scanning
[SPR-14867] – Sockjs XHR Fallback on already existing WebSocketServerSockJsSession
[SPR-14879] – ApplicationListenerDetector should ignore non-managed bean instances
[SPR-14883] – Improve exception when failing to create a specific bean due to a NoClassDefFoundError

新功能

[SPR-14540] – Reactive HttpMessageReader/Writer for “x-www-form-url-encoded” data
[SPR-14541] – Reactive HTTP request data binding
[SPR-14542] – Reactive HTTP request @ModelAttribute support
[SPR-14543] – Reactive HTTP request @InitBinder support
[SPR-14545] – Reactive HTTP request CORS Support
[SPR-14843] – Add support for RxJava 2 Maybe type

重构

[SPR-14800] – Use StepVerifier from reactor-test and delete TestSubscriber
[SPR-14824] – Modify ReactiveAdapterRegistry to use official RxJava to RS adapter
[SPR-14827] – Align Reactive Web Client with web.reactive.function

任务

[SPR-14724] – Reference Documentation: instruct how RestTemplate should handle the errors thrown about @Validated (JSR 303/349)
[SPR-14743] – Remove RxJava 1.x variants of WebClient adapters
[SPR-14765] – @lookup method injection method documentation
[SPR-14782] – Bad Table Rendering in Default Exception Handling Documentation
[SPR-14793] – EnableAsync javadoc not clear enough
[SPR-14797] – Documentation for InjectionPoint argument on @Bean method
[SPR-14809] – Remove OracleLobHandler from documentation
[SPR-14812] – Documentation on @EventListener SpEL features is not very clear
[SPR-14820] – Reactive Web Client reference documentation error
[SPR-14842] – The contract for StringValueResolver.resolveStringValue should be more explicit
[SPR-14880] – Upgrade to Mockito 2.2
[SPR-14881] – Document supported return types for @Async methods