连接超时，Maven构建失败

Question

所以我设置了一个jenkins实例并从git配置了maven项目。

当我尝试构建时，我有一个选项设置为＆＃34;清洁包＆＃34;但我在Jenkins日志中得到以下错误：是否有Jenkins设置我不见了？

    [INFO] Downloading:    https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-   plugin/2.5/maven-clean-plugin-2.5.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:05 min
[INFO] Finished at: 2016-06-20T19:11:04-04:00
[INFO] Final Memory: 15M/294M
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-clean-plugin:2.5 or one of its   dependencies could not be resolved: Failed to read artifact descriptor for  org.apache.maven.plugins:maven-clean-plugin:jar:2.5: Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:2.5 from/to central (https://repo.maven.apache.org/maven2): Connect to repo.maven.apache.org:443  [repo.maven.apache.org/151.101.32.215] failed: Connection timed out -> [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/PluginResolutionException