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引入feign的bean报错

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li120697
li120697 剑圣 11小时前

一、该问题的重现步骤是什么？

1. A服务编写feign接口，并实现

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2. B服务引入A-api依赖，并引入该feign，项目启动报错

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3.包路径也有引入

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二、你期待的结果是什么？实际看到的又是什么？


三、你正在使用的是什么产品，什么版本？在什么操作系统上？


四、请提供详细的错误堆栈信息，这很重要。

org.springframework.beans.factory.BeanCreationNotAllowedException: Error creating bean with name 'applicationTaskExecutor': Singleton bean creation not allowed while singletons of this factory are in destruction (Do not request a bean from a BeanFactory in a destroy method implementation!)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:205)
at org.springframework.context.event.AbstractApplicationEventMulticaster.retrieveApplicationListeners(AbstractApplicationEventMulticaster.java:265)
at org.springframework.context.event.AbstractApplicationEventMulticaster.getApplicationListeners(AbstractApplicationEventMulticaster.java:222)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:451)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:457)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:384)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1130)
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1093)
at org.springframework.cloud.context.named.NamedContextFactory.destroy(NamedContextFactory.java:114)
at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:211)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:587)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:559)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1202)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:520)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1195)
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1186)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:637)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:149)
at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:59)
at com.dyt.HospitalApplication.main(HospitalApplication.java:12)

2025-01-14 14:31:42.603  WARN 6400 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception thrown from ApplicationListener handling ContextClosedEvent

org.springframework.beans.factory.BeanCreationNotAllowedException: Error creating bean with name 'applicationTaskExecutor': Singleton bean creation not allowed while singletons of this factory are in destruction (Do not request a bean from a BeanFactory in a destroy method implementation!)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:205)
at org.springframework.context.event.AbstractApplicationEventMulticaster.retrieveApplicationListeners(AbstractApplicationEventMulticaster.java:265)
at org.springframework.context.event.AbstractApplicationEventMulticaster.getApplicationListeners(AbstractApplicationEventMulticaster.java:222)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:451)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:457)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:384)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1130)
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1093)
at org.springframework.cloud.context.named.NamedContextFactory.destroy(NamedContextFactory.java:114)
at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:211)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:587)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:559)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1202)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:520)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1195)
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1186)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:637)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:149)
at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:59)
at com.dyt.HospitalApplication.main(HospitalApplication.java:12)

2025-01-14 14:31:42.604  INFO 6400 --- [           main] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} closing ...
2025-01-14 14:31:42.611  INFO 6400 --- [           main] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} closed
2025-01-14 14:31:42.631  INFO 6400 --- [           main] .s.b.a.l.ConditionEvaluationReportLogger : 

Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
2025-01-14 14:31:42.648 ERROR 6400 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'screeningController' defined in file [D:\code\java\dyt\xjzzq_user_server\blade-service\clinical-nutrition-hospital\target\classes\com\dyt\controller\ScreeningController.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'screenN001ServiceImpl': Unsatisfied dependency expressed through method 'setScreen' parameter 2: Error creating bean with name 'com.dyt.feign.ISystemParameterClient': FactoryBean threw exception on object creation
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:795)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1357)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1194)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:962)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:149)
at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:59)
at com.dyt.HospitalApplication.main(HospitalApplication.java:12)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'screenN001ServiceImpl': Unsatisfied dependency expressed through method 'setScreen' parameter 2: Error creating bean with name 'com.dyt.feign.ISystemParameterClient': FactoryBean threw exception on object creation
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.resolveMethodArguments(AutowiredAnnotationBeanPostProcessor.java:895)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:848)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1421)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:599)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:904)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:782)
... 19 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.dyt.feign.ISystemParameterClient': FactoryBean threw exception on object creation
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:188)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:124)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1861)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getObjectForBeanInstance(AbstractAutowireCapableBeanFactory.java:1278)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:347)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.resolveMethodArguments(AutowiredAnnotationBeanPostProcessor.java:887)
... 34 common frames omitted
Caused by: java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0 of method queryParameterClassify
at feign.Util.checkState(Util.java:140)
at org.springframework.cloud.openfeign.annotation.RequestParamParameterProcessor.processArgument(RequestParamParameterProcessor.java:63)
at org.springframework.cloud.openfeign.support.SpringMvcContract.processAnnotationsOnParameter(SpringMvcContract.java:302)
at feign.Contract$BaseContract.parseAndValidateMetadata(Contract.java:126)
at org.springframework.cloud.openfeign.support.SpringMvcContract.parseAndValidateMetadata(SpringMvcContract.java:198)
at feign.Contract$BaseContract.parseAndValidateMetadata(Contract.java:65)
at com.alibaba.cloud.sentinel.feign.SentinelContractHolder.parseAndValidateMetadata(SentinelContractHolder.java:49)
at feign.ReflectiveFeign$ParseHandlersByName.apply(ReflectiveFeign.java:137)
at feign.ReflectiveFeign.newInstance(ReflectiveFeign.java:56)
at feign.ReflectiveFeign.newInstance(ReflectiveFeign.java:48)
at feign.Feign$Builder.target(Feign.java:201)
at org.springframework.cloud.openfeign.DefaultTargeter.target(DefaultTargeter.java:30)
at org.springframework.cloud.openfeign.FeignClientFactoryBean.loadBalance(FeignClientFactoryBean.java:429)
at org.springframework.cloud.openfeign.FeignClientFactoryBean.getTarget(FeignClientFactoryBean.java:477)
at org.springframework.cloud.openfeign.FeignClientFactoryBean.getObject(FeignClientFactoryBean.java:452)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:182)
... 43 common frames omitted

Disconnected from the target VM, address: '127.0.0.1:5608', transport: 'socket'

Process finished with exit code 1

五、若有更多详细信息，请在下面提供。

1条回答
  • admin
    admin (最佳回答者)
    10小时前

    feign接口的定义里，@RequestParam加上value试试，类似这样

     @GetMapping("/queryParameterClassify")
 String queryParameterClassify(@RequestParam("param") String param);


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