现象

模块package时出现异常

Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.5.1:repackage (repackage) on project cluster-common: Execution repackage of goal org.springframework.boot:spring-boot-maven-plugin:2.5.1:repackage failed: Unable to find main class

原因

springboot打包时需要制定main入口，在需要打包的maven模块中未找到main入口

处理方案

情况一：需要单独启动的项目，创建启动类，还有其他方法，这里不做重点说明。

@SpringBootApplication
public class App {public static void main(String[] args) {SpringApplication.run(App.class, args);}
}

情况二：工具类，不需要main入口，可以直接删除pom.xml中的build标签；如果是子模块可以使用skip跳过spring打包。

    <build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><configuration><skip>true</skip></configuration></plugin></plugins></build>

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maven package异常repackage failed: Unable to find main class

现象

原因

处理方案

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