1. When maven cleans the package, a class duplication error occurs. Haven't been able to find an answer.
[ERROR] E:\WorkSpace\cat-master\cat-home\src\main\java\com\dianping\cat\home\dependency\config\transform\DefaultMerger.java:[12,7] 错误: 类重复: com.dianping.cat.home.dependency.config.transform.DefaultMerger