下载jar包的网站(Maven)

Maven 异常信息以下这个异常信息,在Maven项目中,比较常见。多数情况下,是由于网络问题,导致下载的jar包不完整,无法正确解析。Jar was cached in the local repository, resolution will not be reattempted until the updatejar包缓存在本地存储库,在jar包更新之前,不会重新尝试解析。[INFO] Building ch18-1-gateway 0.0.1-SNAPSHOT[INFO] ——————————–[ jar ]———————————[WARNING] The POM for org.springframework.cloud:spring-cloud-starter-gateway:jar:2.0.0.RELEASE is missing, no dependency information available[INFO] ————————————————————————[INFO] BUILD FAILURE[INFO] ————————————————————————[INFO] Total time: 1.420 s[INFO] Finished at: 2019-05-05T10:58:40+08:00[INFO] ————————————————————————[ERROR] Failed to execute goal on project ch18-1-gateway: Could not resolve dependencies for project cwork.cloud:spring-cloud-starter-gateway:jar:2.0.0.RELEASE in http://192.168.10.174:8081/nexus/content/until the update interval of nexus has elapsed or updates are forced -> [Help 1][ERROR]解决办法按照下面的步骤:1. 删除~/.m2/repository/对应目录或目录下的*.lastUpdated文件;2. 然后再次运行maven命令,添加参数-U;如maven 打包命令:mvn package -U参数说明:-U,–update-snapshotsForces a check for missing releases and updated snapshots on remote repositories强制检查远程存储库中缺少的release版本和更新的快照。下面场景需要强制更新:默认snapshot版本依赖localRepository更新是天级的。如果项目联调阶段一天之内多次snapshot依赖更新。如果项目下载依赖过程中断(常见网络原因),导致localRepository中的文件状态有问题。更新完成之后,再次查看~/.m2/repository 本地存储库,发现jar已经正常下载。


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