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Code  ›  spring.main.allow-bean-definition-overriding=true是个不好的做法吗?开发者社区
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提问

问 spring.main.allow-bean-definition-overriding=true是个不好的做法吗?

Stack Overflow用户
提问于 2019-05-17 14:56:48
EN

我正在构建一个服务器,以将遗留应用程序移植到一个更健壮的框架上。这是我第一个使用这些技术的项目。到目前为止,我已经用2个API建立了一个概念证明,回答是"Hello!“在JSON里。一个是开放的,另一个是用OAuth2保护的。我已经完成了根据需求对安全性进行调整。

我还构建了一个强大的测试结构,使用了用于集成测试的Rest和用于单元测试的Spring的组合,因此我确信我已经准备好开始使用TDD方法来实现真正的MockMvc。

我们在用Maven。我的问题是,一旦我对我们现有的工件有了依赖,我就会得到以下堆栈。我明白这意味着什么,但是我们的代码库很大,我不知道这是从哪里来的。当我问谷歌这个问题时,我经常会发现结果只是建议将 spring.main.allow-bean-definition-overriding=true 添加到我的属性中。这不就是把问题扫到地毯底下吗?我想这是一个很好的理由,为什么Spring默认不允许这样做。简单地用方便的应用程序属性忽略该错误会带来什么后果?

堆栈:

代码语言: javascript
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*************************** APPLICATION FAILED TO START
***************************
Description:
The bean 'org.springframework.transaction.config.internalTransactionAdvisor', defined in class path resource [org/springframework/transaction/annotation/ProxyTransactionManagementConfiguration.class], could not be registered. A bean with that name has already been defined in null and overriding is disabled.
Action:
Consider renaming one of the beans or enabling overriding by setting spring.main.allow-bean-definition-overriding=true
[WARNING]  java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run (AbstractRunMojo.java:558)
    at java.lang.Thread.run (Thread.java:748) Caused by: org.springframework.beans.factory.support.BeanDefinitionOverrideException: Invalid bean definition with name 'org.springframework.transaction.config.internalTransactionAdvisor' defined in class path resource [org/springframework/transaction/annotation/ProxyTransactionManagementConfiguration.class]: Cannot register bean definition [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration; factoryMethodName=transactionAdvisor; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/transaction/annotation/ProxyTransactionManagementConfiguration.class]] for bean 'org.springframework.transaction.config.internalTransactionAdvisor': There is already [Root bean: class [org.springframework.transaction.interceptor.BeanFactoryTransactionAttributeSourceAdvisor]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null] bound.
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.registerBeanDefinition (DefaultListableBeanFactory.java:897)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod (ConfigurationClassBeanDefinitionReader.java:274)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass (ConfigurationClassBeanDefinitionReader.java:141)
    at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions (ConfigurationClassBeanDefinitionReader.java:117)
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions (ConfigurationClassPostProcessor.java:327)
    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:142)
    at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775)
    at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:316)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:1260)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:1248)
    at ca.mycompany.oav.ResourceServerApplication.main (ResourceServerApplication.java:22)
 
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