初学MAVEN之groupId:artifactId重复

这是一个比较不应该犯的错误了（我自己犯的）。CMD命令行操作的时候，在执行最开始有如下显示： [INFO] Scanning for projects… [WARNING] [WARNING] Some problems were encountered while building the effective model for com.manning:readinglist:jar:0.0.1

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