java SpringBootApplication 在 ComponentScanning 其他 @SpringBootApplications 时排除
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SpringBootApplication exclude when ComponentScanning other @SpringBootApplications
提问by Tim
I'm having some difficulty preventing Spring Boot from auto configuring some classes (in this example: SolrAutoConfiguration). To illustrate I've setup a much reduced example:
我在阻止 Spring Boot 自动配置某些类时遇到了一些困难（在本例中：SolrAutoConfiguration）。为了说明，我设置了一个大大简化的示例：
https://github.com/timtebeek/componentscan-exclusions
https://github.com/timtebeek/componentscan-exclusions
In reality there's some 20+ internal @SpringBootApplicationprojects, each with their own dependencies coming together. (Not ideal / not my idea, but hard to move away from now.)
实际上有大约 20 多个内部@SpringBootApplication项目，每个项目都有自己的依赖项。（不理想/不是我的想法，但很难从现在开始。）
The problem arises because multiple subprojects are using Solr 5.2.1, but Spring Boot is only compatible with 4.x. In the final application (module-b in the example) I want to import all @SpringBootApplicationclasses across all my modules, while preventing SolrAutoConfigurationfrom running:
出现问题是因为多个子项目都在使用Solr 5.2.1，而Spring Boot只兼容4.x。在最终的应用程序（示例中的模块 b）中，我想导入所有@SpringBootApplication模块中的所有类，同时阻止SolrAutoConfiguration运行：
@ComponentScan("project") // Broad scan across all company jars
@SpringBootApplication(exclude = { SolrAutoConfiguration.class }) // Failing exclude
public class ModuleBApp {
public static void main(final String[] args) {
SpringApplication.run(ModuleBApp.class, args);
}
}
This fails, because any instance of @SpringBootApplicationpicked up through the @ComponentScanwithout the specific exclude, still loads SolrAutoConfiguration.
这失败了，因为@SpringBootApplication通过@ComponentScan没有特定排除的任何实例仍然加载SolrAutoConfiguration.
What can I do to properly exclude a auto configuration class when combining multiple @SpringBootApplicationclasses?
组合多个@SpringBootApplication类时，如何正确排除自动配置类？
I've already tried to work with excludeFilterson my final @SpringBootApplication, but that hasn't yet lead to a solution.
我已经尝试excludeFilters在我的 final 上使用它@SpringBootApplication，但这还没有找到解决方案。
回答by Tim
Spring Boot 1.3.0.M3 introduced functionality to exclude autoconfiguration using properties: https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-1.3.0-M3-Release-Notes
Spring Boot 1.3.0.M3 引入了使用属性排除自动配置的功能：https: //github.com/spring-projects/spring-boot/wiki/Spring-Boot-1.3.0-M3-Release-Notes
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.solr.SolrAutoConfiguration
Note that it should say spring.autoconfigure.exclude, not excludesas in the release notes.
请注意，它应该说spring.autoconfigure.exclude，而不是excludes像发行说明中那样。
This helps prevent Spring Boot from loading autoconfig classes in the presence of multiple @EnableAutoConfiguration/@SpringBootApplicationannotations.
这有助于防止 Spring Boot 在存在多个@EnableAutoConfiguration/@SpringBootApplication注释的情况下加载自动配置类。
