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  • java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0

    今天使用feign进行远程调用,被调用方使用@RequestParam接受参数,但是在启动项目的时候报了错

    Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
    ===2018-08-13 17:25:37.606 ERROR org.springframework.boot.SpringApplication Line:771 - Application startup failed
    org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'infoSheetController': Unsatisfied dependency expressed through field 'infoSheetService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'infoSheetServiceImpl': Unsatisfied dependency expressed through field 'infoSheetConsumer'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'share.api.server.modular.consumer.InfoSheetConsumer': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
        at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
        at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
        at share.api.server.ApiServer.main(ApiServer.java:20)

    原因是使用@RequestParam接收参数的时候,需要参数名,如下(id)

    @RequestMapping("/selectSheetDetails")
        Map<String, Object> selectSheetDetails(@RequestParam("id") String id);
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  • 原文地址:https://www.cnblogs.com/paper-man/p/13284743.html
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