记录一下springboot项目启动遇到的错误，公司是组件化开发，用代码生成脚本自动生成基本代码，启动项目报了如下错误

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-07-15 15:34:32.711 ERROR 18378 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.coreland.eip.EipApplication]; nested exception is org.springframework.context.annotation.ConflictingBeanDefinitionException: Annotation-specified bean name 'templateApiController' for bean class [com.coreland.eip.microcomponents.modules.mc.controller.TemplateApiController] conflicts with existing, non-compatible bean definition of same name and class[com.coreland.eip.doclibrary.modules.template.controller.TemplateApiController]
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:181)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:315)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:743)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:390)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:312)
	at com.coreland.eip.EipApplication.main(EipApplication.java:25)
Caused by: org.springframework.context.annotation.ConflictingBeanDefinitionException: Annotation-specified bean name 'templateApiController' for bean class [com.coreland.eip.microcomponents.modules.mc.controller.TemplateApiController] conflicts with existing, non-compatible bean definition of same name and class [com.coreland.eip.doclibrary.modules.template.controller.TemplateApiController]
	at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.checkCandidate(ClassPathBeanDefinitionScanner.java:348)
	at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:286)
	at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:132)
	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:287)
	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:242)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:199)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:167)
	... 11 common frames omitted

这个的意思是你创建的controller的名字已经存在，就系统就报了Bean定义存储异常，发现自己写的代码中没有，为什么会出现这个异常呢，仔细看原来自己加载的组件中有相同的controller，修改controller名即可解决，如果出现相同的实现类或者dao层名字，同样这样处理。