mybatis映射问题,报错Error instantiating null with invalid types () or values (). Cause:java.lang.NullPoint
摘要:
在用mybatis做关联查询,用association关联查询,报错Error instantiating null with invalid types () or values (). Cause:java.lang.NullPoint熬夜三个小时才找到问题所在,... 阅读全文