错误 LifecyclePhaseNotFoundException，Unknown lifecycle phase "mvn". You must specify a valid lifecycle

迷南。 2022-02-26 09:56 502阅读 0赞

### 错误 LifecyclePhaseNotFoundException，Unknown lifecycle phase “mvn”. You must specify a valid lifecycle ###

执行 Maven 命令报错

> **Unknown lifecycle phase “”. You must specify a valid lifecycle phase or a goal in the format : or :\[:\]:. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-site, site, post-site, site-deploy, pre-clean, clean, post-clean. -> \[Help 1\] \[ERROR\] \[ERROR\] To see the full stack trace of the errors, re-run Maven with the -e switch. \[ERROR\] Re-run Maven using the -X switch to enable full debug logging. \[ERROR\] \[ERROR\] For more information about the errors and possible solutions, please read the following articles: \[ERROR\] \[Help 1\] [http://cwiki.apache.org/confluence/display/MAVEN/LifecyclePhaseNotFoundException][http_cwiki.apache.org_confluence_display_MAVEN_LifecyclePhaseNotFoundException]**

### 原因及解决方法： ###

**原因：**  
使用 IDEA 或者 Eclipse Maven 插件执行 Maven 命令时多输入了 mvn 命令  
，因为 IDEA 和 Eclipse Maven 插件已经帮你加上了 mvn 的命令前缀，再手动输出 mvn clean install 之类的 命令就会变成 mvn mvn clean install

**例如：**  
在 Command line 中是不能再输入 mvn 的

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9pY29kZS5ibG9nLmNzZG4ubmV0_size_16_color_FFFFFF_t_70]

[http_cwiki.apache.org_confluence_display_MAVEN_LifecyclePhaseNotFoundException]: http://cwiki.apache.org/confluence/display/MAVEN/LifecyclePhaseNotFoundException
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9pY29kZS5ibG9nLmNzZG4ubmV0_size_16_color_FFFFFF_t_70]: /images/20220226/99e97d2af0454ae6a036e58550920f0d.png

错误 LifecyclePhaseNotFoundException，Unknown lifecycle phase "mvn". You must specify a valid lifecycle

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