Jenkins Could not download spring-core.jar

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最近提交完代码后，Jenkins突然不能用了，报错如下：

* What went wrong:
A problem occurred configuring root project 'lequlai'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not download spring-core.jar (org.springframework:spring-core:5.0.5.RELEASE)
      > Could not get resource 'https://plugins.gradle.org/m2/org/springframework/spring-core/5.0.5.RELEASE/spring-core-5.0.5.RELEASE.jar'.
         > Could not GET 'https://plugins.gradle.org/m2/org/springframework/spring-core/5.0.5.RELEASE/spring-core-5.0.5.RELEASE.jar'.
            > Read timed out

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

解决办法：

  报错说的很清楚下载不了包，那我就去查包依赖，发现问题，项目中用的是阿里仓库发现阿里仓库中根本没有org.springframework:spring-core:5.0.5.RELEASE

1、更换maven链接,用原始的路径

2、改依赖包的版本，换成阿里仓库中有的版本（我采纳的）