mybatis：Could not set parameters for mapping: ParameterMapping

报错：

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org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='name', mode=IN, javaType=class java.lang.String, jdbcType=null, numericScale=null, resultMapId='null', jdbcTypeName='null', expression='null'}. Cause: org.apache.ibatis.type.TypeException: Error setting non null for parameter #1 with JdbcType null . Try setting a different JdbcType for this parameter or a different configuration property. Cause: java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0). ### The error may exist in com/kuaicode/dao/WorkerMapper.java (best guess) ### The error may involve com.kuaicode.dao.WorkerMapper.selectWorkersByName-Inline ### The error occurred while setting parameters ### SQL: select * from tb_worker where name like concat('%', '?', '%') ### Cause: org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='name', mode=IN, javaType=class java.lang.String, jdbcType=null, numericScale=null, resultMapId='null', jdbcTypeName='null', expression='null'}. Cause: org.apache.ibatis.type.TypeException: Error setting non null for parameter #1 with JdbcType null . Try setting a different JdbcType for this parameter or a different configuration property. Cause: java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).

**SQL语句：**

select * from tb_worker where name like concat('%', '#{name}', '%');

解决办法：

去除参数的单引号。

总结：

比较蠢的错误且找了很长时间。