[英]Why doesn't my Spring Boot starter bring its dependencies to the project?
I've created a simple starter - TimeStarter with RestController inside.我创建了一个简单的启动器 - TimeStarter,里面有 RestController。 Here is its pom:
这是它的pom:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.0</version>
<relativePath/>
</parent>
<groupId>ez</groupId>
<artifactId>time-starter-spring-boot-starter</artifactId>
<version>0.0.1</version>
<name>time-starter</name>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
I've added TimeStarter to my project:我已将 TimeStarter 添加到我的项目中:
<dependencies>
<dependency>
<groupId>ez</groupId>
<artifactId>time-starter-spring-boot-starter</artifactId>
<version>0.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
After that I expect that all necessary dependencies (spring-boot-starter-web) will appear in my project, and the REST controller from starter will be ready for HTTP requests.之后,我希望所有必要的依赖项(spring-boot-starter-web)都会出现在我的项目中,并且来自 starter 的 REST controller 将为 Z293C9EA246FF9985DC6F62A650F78986 请求做好准备。 But no, I have to add spring-boot-starter-web and spring-web dependencies to make my starter work.
但是不,我必须添加 spring-boot-starter-web 和 spring-web 依赖项才能使我的启动器工作。
As M.Deinum said, the reason was I made my dependencies in starter "optional".正如 M.Deinum 所说,原因是我在启动器中的依赖项是“可选的”。
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