异常： No goals have been specified for this build. You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal ...

pom.xml文件<build>标签后面加上<defaultGoal>compile</defaultGoal>即可 ...

1、Eclipse集成Maven打包时报错：[ERROR] Unknown lifecycle phase "mvn". You must specify a valid lifecycle phase or a goal in the format。 使用eclipse打包项目，右击项目 ...

运行maven报错： [ERROR] No goals have been specified for this build. You must specify a valid lifecycle phase or a goal in the format : or : [: ]: ...

Maven错误总结：错误LifecyclePhaseNotFoundException，Unknown lifecycle phase "mvn". You must specify a valid ...

为:spring-boot:run即可. 还有一种可能,Maven插件[Run As]-[Maven build]时并未为 ...

原因：Maven插件[Run As]-[Maven build]时并未为其指定goal或phase 解决办法：pom中加入<build> <finalName>demo_1SpringBoot</finalName> </build> ...