Caused by: java.lang.ClassNotFoundException: org.apache.ibatis.mapping.DatabaseIdProvider

Mybatis.jar和Mybatis-spring的版本不兼容。

改成

<dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.2.7</version>
</dependency>
<dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis-spring</artifactId>
       <version>1.2.2</version>
</dependency>