开发遇到mybatis-plus一个比较诡异的问题
版本声明:JDK17,springboot2.5.0,mybatis-plus依赖版本3.4.3
在搭建好mybatis-plus的环境之后进行测试,发现使用querymapper构建出的查询条件正常,但是使用LambdaQueryWrapper构建出的查询条件运行后报错(数据库连接正常,数据库字段名正常,实体类也实现了get与set方法)
正常的:
@Test
public void testUserMapper(){
QueryWrapper<User> userQueryWrapper = new QueryWrapper<>();
userQueryWrapper.eq("user_name","123");
User user = userMapper.selectOne(userQueryWrapper);
System.out.println(user);
}
报错的:
@Test
public void testUserMapper(){
LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(User::getUserName,"123");
User user = userMapper.selectOne(wrapper );
System.out.println(user);
}
报错信息为
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'ew.sqlSegment != null and ew.sqlSegment != '' and ew.nonEmptyOfWhere'. Cause: org.apache.ibatis.ognl.OgnlException: sqlSegment [java.lang.ExceptionInInitializerError]
烦请各位指正,谢谢