警告:存储库'oss_update‘似乎过时了。考虑使用不同的镜像或server.读取已安装的软件包..。没什么可做的。[done]
Repository 'oss' is up to date.Retrieving repository 'oss_update' metadata .........................................................| oss
> Could not get resource 'https://oss.jfrog.org/artifactory/oss-release-local/com/firebaseui/firebase-ui-database> Could not GET 'https://oss.jfrog.org/artifactory/oss-release
://oss.sonatype.org/service/local/staging/deploy/maven2/com/bigelectrons/joesan/csv-parser_2.12/0.2.0/csv-parser_2.12-0.2.0-javadoc.jar
[info] published csv-parser_2.12 to https://oss.sonatype.org&
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Server access Error: Connection timed out url=https://oss.sonatype.org/content/repositories/snapshots/org/sonatype/oss/oss-parent/7/oss-parent-7.j
我生成默认的快速入门Maven示例,并输入mvn checkstyle:checkstyle,它总是尝试使用最新的SNAPSHOT版本。也许在我的Nexus服务器上是错误的,但是我如何在Maven2的命令行上设置插件的版本,比如用2.5代替2.6-SNAPSHOT来设置checkstyle[INFO] Scanning for projects...[INFO