Referenced file contains errors (http://mybatis.org/dtd/mybatis-3-config.dtd).

 

Referenced file contains errors (http://mybatis.org/dtd/mybatis-3-config.dtd). For more
 information, right click on the message in the Problems View and select "Show Details..."

 

For the Eclipse compiler, there will be a cache, so it will tell you that the version is not uniform when verifying

Preferences -> General -> Network Connections -> Cache --- Remove delete the cached reply inside