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A bean with that name has already been defined in DataSourceConfiguration$Hikari.class

A bean with that name has already been defined in DataSourceConfiguration$Hikari.class 构建springcloud的时候一定要注意起微服务的版本 不然会报上面的错误 原因:SpringBoot和SpringCloud的版本不兼容造成.这里因为SpringBoot想尝鲜使用了2.1.0,而SpringCloud仍然用的是Finchley.SR2,而它支持的是2.0.x及以下版本.对应的版本应该使用Greenwic…

springboot 解决 The bean 'userRepository', defined in null, could not be registered. A bean with that name has already been defined in file XXX and overriding is disabled.

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Feign 报错：The bean 'service-producer.FeignClientSpecification', defined in null, could not be registered. A bean with that name has already been defined in null and overriding is disabled.

报错: 2019-09-17 20:34:47.635 ERROR 59509 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START *************************** Description: The bean 'service-producer.FeignClientSpecification', define…

SpringBoot启动报错：ould not be registered. A bean with that name has already been defined in file and overriding is disabled.

SpringBoot启动报错 ***************************APPLICATION FAILED TO START*************************** Description: The bean 'XXX', defined in class path resource [com/test/cms/XXX.class], could not be registered. A bean with that name has already been def…

【SpringBoot系列4】SpringBoot定制自己的bean

起因:SpringBoot我是越用越喜欢,但当SpringBoot出了问题的时候,我却无从下手,因为封装实在是太高度化了.然后之前有一个需求,使用SpringBoot提供的StringRedisTemplate,我想定制里面几个属性.如下面代码. private boolean enableTransactionSupport = false; private boolean exposeConnection = false; private boolean initialized = fals…

bean的singleton（没有看到生命周期范围？？）

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Spring Bean Life Cycle Methods – InitializingBean, DisposableBean, @PostConstruct, @PreDestroy and *Aware interfaces

Spring Beans are the most important part of any Spring application. Spring ApplicationContext is responsible to initialize the Spring Beans defined in spring bean configuration file. Spring Context is also responsible for injection dependencies in th…

【Feign】@FeignClient相同名字错误 The bean 'xxx.FeignClientSpecification', defined in null, could not be registered

The bean 'xxx.FeignClientSpecification', defined in null, could not be registered. A bean with that name has already been defined in null and overriding is disabled. Description: The bean 'feign-service.FeignClientSpecification', defined in null, cou…

springboot easypoi 报错The bean 'beanNameViewResolver', defined in class path resource [cn/afterturn/e

事故现场: The bean 'beanNameViewResolver', defined in class path resource [cn/afterturn/easypoi/configuration/EasyPoiAutoConfiguration.class], could not be registered. A bean with that name has already been defined in class path resource [org/springframe…