BeanNameAutoProxyCreator setBeanNames 正则表达式不起作用？

Question

这是我的 BeanNameAutoProxyCreator:

@Bean
public BeanNameAutoProxyCreator beanNameAutoProxyCreator() {
    BeanNameAutoProxyCreator beanNameAutoProxyCreator = new BeanNameAutoProxyCreator();
    beanNameAutoProxyCreator.setBeanNames("*service"); // If i put "*Service" instead, then i get an exception. 
    beanNameAutoProxyCreator.setInterceptorNames("loggingAdvice", "debugInterceptor");
    return beanNameAutoProxyCreator;
}

@Bean
public LoggingAdvice loggingAdvice() {
    return new LoggingAdvice();
}

@Bean
public DebugInterceptor debugInterceptor() {
    return new DebugInterceptor();
}

这是我的 ClientService bean：

@Bean
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public ClientService clientService() {
    return new ClientServiceImpl(this.clientDAO);
}

所以，我不知道为什么，当我调用 setBeanNames("*service") 时，拦截器设置不正确。如果我输入“*Service”然后我得到这个异常：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Factory method 'requestMappingHandlerAdapter' threw exception; nested exception is java.lang.ClassCastException: com.sun.proxy.$Proxy68 cannot be cast to org.springframework.format.support.FormattingConversionService
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1111)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1006)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:957)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:946)
    at com.example.movies.service.Application.main(Application.java:9)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Factory method 'requestMappingHandlerAdapter' threw exception; nested exception is java.lang.ClassCastException: com.sun.proxy.$Proxy68 cannot be cast to org.springframework.format.support.FormattingConversionService
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
    ... 17 common frames omitted
Caused by: java.lang.ClassCastException: com.sun.proxy.$Proxy68 cannot be cast to org.springframework.format.support.FormattingConversionService
    at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$f6264082.mvcConversionService(<generated>)
    at org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport.getConfigurableWebBindingInitializer(WebMvcConfigurationSupport.java:492)
    at org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport.requestMappingHandlerAdapter(WebMvcConfigurationSupport.java:461)
    at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration.requestMappingHandlerAdapter(WebMvcAutoConfiguration.java:343)
    at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$f6264082.CGLIB$requestMappingHandlerAdapter(<generated>)
    at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$f6264082$$FastClassBySpringCGLIB$e805df.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
    at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$f6264082.requestMappingHandlerAdapter(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
    ... 18 common frames omitted

如果我输入 "clientService" 它工作正常，但这不是我想要的。我希望所有以 "Service" 结尾的 bean 都被拦截。但由于某种原因，“*服务”不工作。

Answer 1

你必须设置

beanNameAutoProxyCreator.setProxyTargetClass(true);

以便 Spring 使用 CGLIB 来代理您的实例。否则，它使用仅支持接口的 JDK 代理。

请注意，您当前正在代理（有意或无意地）可能由您的 Web MVC 配置注册的 bean。这些可能不一定支持代理（例如 final 类）。

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