Java 9、Spring Framework 5.0、Spring boot 2.0

Question

当我从Java8升级到Java9 Spring boot应用程序时，我得到了以下错误。是spring-web-5.0.0.RELEASE和spring-webmvc-5.0.0.RELEASE中Java 9不支持的任何注释。我无法从应用程序中收到的错误中辨别出来。

2017-10-31 14:18:39.767 ERROR [org.springframework.boot.SpringApplication] [main] [] Application startup failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1704)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:583)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:312)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:756)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:122)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:386)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1245)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1233)
    at com.tsys.enterprise.issuing.account.application.Main.main(Main.java:30)
Caused by: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
    at java.base/sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:724)
    at java.base/sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:531)
    at java.base/sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:355)
    at java.base/sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:286)
    at java.base/sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120)
    at java.base/sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72)
    at java.base/java.lang.Class.createAnnotationData(Class.java:3730)
    at java.base/java.lang.Class.annotationData(Class.java:3719)
    at java.base/java.lang.Class.createAnnotationData(Class.java:3735)
    at java.base/java.lang.Class.annotationData(Class.java:3719)
    at java.base/java.lang.Class.getAnnotation(Class.java:3624)
    at java.base/java.lang.reflect.AnnotatedElement.isAnnotationPresent(AnnotatedElement.java:262)
    at java.base/java.lang.Class.isAnnotationPresent(Class.java:3634)
    at org.springframework.core.annotation.AnnotatedElementUtils.hasAnnotation(AnnotatedElementUtils.java:610)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.isHandler(RequestMappingHandlerMapping.java:177)
    at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:217)
    at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:188)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:129)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1763)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1700)

Answer 1

如果您看到另一个票证sun.reflect.annotation.TypeNotPresentExceptionProxy exception after adding EntityListeners

例外的是你有一个TypeNotPresentExceptionProxy，它可能是你有一个注释，它是一个不在classPath中的类。

Java 9最大/最烦人的特性之一是模块系统，现在如果你想使用它，你必须在你的module-info中指定一些包。

您的requestMappingHandlerMapping类包含了可以证明我的理论的注释吗？