IDEA莫名其妙的突然无法下载maven私服最新的jar包,删掉缓存的jar后,报以下错误。 原因是被开启了离线模式。 解决方法是: 进入IDEA配置 File -> Other Settings -> Default Settings -> Build,Execution,Deployment -> Build Tools -> Gradle 取消勾选Offline work Could not download xxx.jar : No cached version available for offline mode