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SpringBoot打包异常

Spring Boot Maven Plugin打包异常及三种解决方法:Unable to find main class

【背景】spring-boot项目,打包成可执行jar,项目内有两个带有main方法的类并且都使用了@SpringBootApplication注解(或者另一种情形:你有两个main方法并且所在类都没有使用@SpringBootApplication注解)

问题】

执行mvn clean package,报错如下(说点不相关的,使用install同理。因为spring-boot:repackage目标(goal)(下文会说)被绑定在package构建阶段(phases),而package阶段在install阶段之前,指定构建阶段之前的阶段都会执行。详细参见:

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Introduction to the Build Lifecycle)
  [ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.5.3.RELEASE:repackage (default) on project webapps-api-bid: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.5.3.RELEASE:repackage failed: Unable to find a single main class from the following candidates [com.xx.api.main.ApiBidMain, com.xx.webapps.api.main.WebappsApiBidMain]

执行mvn clean package spring-boot:repackage,报错如下,不如上面日志详细

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  [ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.5.3.RELEASE:repackage (default) on project webapps-api-bid: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.5.3.RELEASE:repackage failed: Unable to find main class

参考文献:传送门

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