tomcat startup error

Caused by: java.lang.IllegalArgumentException: Result Maps collection already contains value for com.mmall.dao.CartMapper.BaseResultMap

The reason for this should be generated xml point caused by generator twice each xml file mappers are in duplicate, each xml query CRUD appeared twice
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Reproduced in: https: //www.jianshu.com/p/4896e1a70b66

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Origin blog.csdn.net/weixin_33681778/article/details/91052248