记一次mybatis的NullPointerException异常

其他表正常，就这个表有问题。排查了很久，网上的方法都试了……

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

### Error querying database. Cause: java.lang.NullPointerException

### The error may involve defaultParameterMap

### The error occurred while setting parameters

### Cause: java.lang.NullPointerException

at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)

at com.sun.proxy.$Proxy147.selectList(Unknown Source)

at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)

at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.executeForMany(MybatisMapperMethod.java:164)

at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:77)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy$PlainMethodInvoker.invoke(MybatisMapperProxy.java:152)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89)

at com.sun.proxy.$Proxy172.selectList(Unknown Source)

at com.baomidou.mybatisplus.core.mapper.BaseMapper.selectOne(BaseMapper.java:222)

at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy$DefaultMethodInvoker.invoke(MybatisMapperProxy.java:166)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89)

at com.sun.proxy.$Proxy172.selectOne(Unknown Source)

at com.baomidou.mybatisplus.core.mapper.BaseMapper.selectOne(BaseMapper.java:211)

at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy$DefaultMethodInvoker.invoke(MybatisMapperProxy.java:166)

at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89)

at com.sun.proxy.$Proxy172.selectOne(Unknown Source)

忽然注意到异常日志前有行红色日志：

line 1:81 no viable alternative at input 'point,'

……

有个字段名叫：point，mybatis处理不了 (⊙﹏⊙)