maven打包報錯You have to use a classifier to attach supplemental artifacts to the project instead of replacing them.

[WARNING]JAR will be empty - no content was marked for inclusion!15:51:40 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:3.1.1:jar (default-jar) on project whqtest: You have to use a classifier to attach supplemental artifacts to the project instead of replacing them. -> [Help 1]

兩種情況
1.whqtest項目中沒有源碼（src/main目錄中），這種情況創建一個類就行了

2.所在目錄結構比較特殊，比如jenkins從windows遷移過來后，沒有修改為linux目錄結構，仍然是D:/xxx/xxx。
此種情況，git命令執行正常，但maven識別有問題，會找不到，所以導致該錯誤。

總結

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