Bindingexception exception (error reporting) processing

When used Spring Integrate MyBatis When , If this error occurs , The solution is as follows ：

1  because mapper File with the mapper The mapping file is not in the same package , Check the file storage location

  Be careful resources Build a file package inside , use / for example com/bukaedu/dao（ Be sure to make contact with java Separate the construction package under ）

2 mapper.xml Defined in the file resultType To work with dao The return value types of methods required by the interface are consistent ！

3、application.yml Medium mybatis The configuration path should be consistent with the project