1.Error creating bean with name 'areaDao' defined in file [E:\demospring01\target\classes\com\zzs\demospring01\dao\AreaDao.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/zzs/demospring01/config/dao/SessionFactoryConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: The setting mapUnderscoreToCameLCase is not known.  Make sure you spelled it correctly (case sensitive).

2.Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/zzs/demospring01/config/dao/SessionFactoryConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: The setting mapUnderscoreToCameLCase is not known.  Make sure you spelled it correctly (case sensitive).

3.Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: The setting mapUnderscoreToCameLCase is not known.  Make sure you spelled it correctly (case sensitive).

4.The setting mapUnderscoreToCameLCase is not known.  Make sure you spelled it correctly (case sensitive).