rg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name

合集 - 报错(63)

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47.rg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name2022-01-26

48.org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘‘2022-01-2649.SpringBoot之Invalid bound statement (not found): com.nxg.mapper.UserMapper.selectUserByPage2022-01-1250.SpringBoot之Failed to load ApplicationContext2022-01-1051.Maven之导入thymeleaf依赖飘红问题2022-01-0952.SpringBoot之Establishing SSL connection without server‘s identity verification is not recommended.2022-01-0953.SpringBoot之 Failed to load ApplicationContext2022-01-0954.Eclipse报错-Description Resource Path Location Type Unbound classpath container: ‘JRE System Library2021-10-1855.sqlServer2019附加出现的问题整理2021-09-2356.ssm中的中Failed to load resource: the server responded with a status of 404 ()2021-08-3157.Maven之IDEA创建XML Configuration File时没有Spring Config的选项2021-08-0458.MVC之Error:java: 不再支持源选项 5。请使用 6 或更高版本。2021-08-0459.Maven之Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-cli)2021-07-2660.在安装Maven检查版本时出现Please set the JAVA_HOME variable in your environment to match the locat2021-07-2561.在linux下 wget 下载报错 http request sent,awaiting response... 404 not found2021-07-2462.异常之java.lang.nullpointerexception 怎么解决及出现原因？2021-07-1663.JavaWeb之MVC---数据库连接问题2021-06-10

收起

1、遇到的问题

控制台出现如下错误，具体报错见附件

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderController': Unsatisfied dependency expressed through field 'paymentClient'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.nxg.demo.client.PaymentClient': Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: Incompatible fallback instance. Fallback/fallbackFactory of type class com.nxg.demo.client.PaymentClient$MyFallbackFactory is not assignable to interface com.nxg.demo.client.PaymentClient for feign client cloud-payment-service

下面出现飘红

原因:

 没有修改为降级工厂（fallbackFactory）

2、解决办法

改为降级工厂即可，如图所示

附件：

控制台具体报错

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderController': Unsatisfied dependency expressed through field 'paymentClient'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.nxg.demo.client.PaymentClient': Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: Incompatible fallback instance. Fallback/fallbackFactory of type class com.nxg.demo.client.PaymentClient$MyFallbackFactory is not assignable to interface com.nxg.demo.client.PaymentClient for feign client cloud-payment-service
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:659) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.14.jar:5.3.14]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.14.jar:5.3.14]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.2.jar:2.6.2]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) [spring-boot-2.6.2.jar:2.6.2]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) [spring-boot-2.6.2.jar:2.6.2]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) [spring-boot-2.6.2.jar:2.6.2]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) [spring-boot-2.6.2.jar:2.6.2]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1290) [spring-boot-2.6.2.jar:2.6.2]
	at com.nxg.demo.OrderApplication.main(OrderApplication.java:17) [classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_311]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_311]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_311]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_311]
	at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.6.2.jar:2.6.2]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.nxg.demo.client.PaymentClient': Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: Incompatible fallback instance. Fallback/fallbackFactory of type class com.nxg.demo.client.PaymentClient$MyFallbackFactory is not assignable to interface com.nxg.demo.client.PaymentClient for feign client cloud-payment-service
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:656) ~[spring-beans-5.3.14.jar:5.3.14]
	... 25 common frames omitted
Caused by: java.lang.IllegalStateException: Incompatible fallback instance. Fallback/fallbackFactory of type class com.nxg.demo.client.PaymentClient$MyFallbackFactory is not assignable to interface com.nxg.demo.client.PaymentClient for feign client cloud-payment-service
	at org.springframework.cloud.openfeign.FeignCircuitBreakerTargeter.getFromContext(FeignCircuitBreakerTargeter.java:83) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignCircuitBreakerTargeter.targetWithFallback(FeignCircuitBreakerTargeter.java:69) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignCircuitBreakerTargeter.target(FeignCircuitBreakerTargeter.java:51) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignClientFactoryBean.loadBalance(FeignClientFactoryBean.java:373) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignClientFactoryBean.getTarget(FeignClientFactoryBean.java:421) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignClientFactoryBean.getObject(FeignClientFactoryBean.java:396) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.cloud.openfeign.FeignClientsRegistrar.lambda$registerFeignClient$0(FeignClientsRegistrar.java:235) ~[spring-cloud-openfeign-core-3.1.0.jar:3.1.0]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainFromSupplier(AbstractAutowireCapableBeanFactory.java:1249) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1191) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.14.jar:5.3.14]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.14.jar:5.3.14]
	... 33 common frames omitted