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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/07/02 03:14:15 UTC
[GitHub] [dubbo] liyong1028826685 opened a new issue #8201: 重复注册 DubboBootstrapApplicationListener
liyong1028826685 opened a new issue #8201:
URL: https://github.com/apache/dubbo/issues/8201
### Environment
* Dubbo version: 2.7.8
* Operating System version: mac
* Java version: 1.8
### Steps to reproduce this issue
1. 在应用启动过程中使用@DubboComponentScan注解
2. @DubboComponentScan注解中@Import(DubboComponentScanRegistrar.class)
3. org.apache.dubbo.config.spring.context.annotation.DubboComponentScanRegistrar#registerBeanDefinitions注册BeanDefinition
4. 在org.apache.dubbo.config.spring.context.annotation.DubboComponentScanRegistrar#registerServiceAnnotationBeanPostProcessor中注册DubboBootstrapApplicationListener
5. 紧接着在org.apache.dubbo.config.spring.util.DubboBeanUtils#registerCommonBeans中也注册了DubboBootstrapApplicationListener
### Expected Result
这里应该只去注册一次 DubboBootstrapApplicationListener
### Actual Result
注册了两次
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[GitHub] [dubbo] CrazyHZM closed issue #8201: 重复注册 DubboBootstrapApplicationListener
Posted by GitBox <gi...@apache.org>.
CrazyHZM closed issue #8201:
URL: https://github.com/apache/dubbo/issues/8201
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[GitHub] [dubbo] CrazyHZM commented on issue #8201: 重复注册 DubboBootstrapApplicationListener
Posted by GitBox <gi...@apache.org>.
CrazyHZM commented on issue #8201:
URL: https://github.com/apache/dubbo/issues/8201#issuecomment-926430581
There should be nothing wrong with the reply, please close the issue temporarily, and reopen the issue if there are other issues.
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[GitHub] [dubbo] horizonzy commented on issue #8201: 重复注册 DubboBootstrapApplicationListener
Posted by GitBox <gi...@apache.org>.
horizonzy commented on issue #8201:
URL: https://github.com/apache/dubbo/issues/8201#issuecomment-873439353
Hi, for xml config and annotation config, we need both config to invoke it.
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[GitHub] [dubbo] kylixs commented on issue #8201: 重复注册 DubboBootstrapApplicationListener
Posted by GitBox <gi...@apache.org>.
kylixs commented on issue #8201:
URL: https://github.com/apache/dubbo/issues/8201#issuecomment-875372071
Calling DubboBeanUtils#registerCommonBeans() multiple times will not register beans repeatedly, and do nothing if it has already been registered.
```java
static boolean registerInfrastructureBean(BeanDefinitionRegistry beanDefinitionRegistry,
String beanName,
Class<?> beanType) {
boolean registered = false;
if (!beanDefinitionRegistry.containsBeanDefinition(beanName)) {
RootBeanDefinition beanDefinition = new RootBeanDefinition(beanType);
beanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
beanDefinitionRegistry.registerBeanDefinition(beanName, beanDefinition);
registered = true;
if (log.isDebugEnabled()) {
log.debug("The Infrastructure bean definition [" + beanDefinition
+ "with name [" + beanName + "] has been registered.");
}
}
return registered;
}
```
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