Caused by: org.apache.ibatis.builder.BuilderException: Error resolving JdbcType. Cause: java.lang.IllegalArgumentException: No enum constant org.apache.ibatis.type.JdbcType.double
报错说不存在这种枚举类型。 mybatis 对 jdbcType 类型有严格的要求,而且严格区分大小写; 因此将红框的double换成DOUBLE就行了 MyBatis支持的jdbcType类型有: BIT, FLOAT,CHAR,TIMESTAMP,OTHER, UNDEFINED,BIGINT,DECIMAL,TIME,NULL,CURSOR, TINYINT,REAL,VARCHAR,BINARY,BLOB, NVARCHAR SMALLINT,DOUBLE,LONGVARCHAR,VARBINARY,CLOB,NCHAR,INTEGER,NUMERIC,DATE, LONGVARBINARY,BOOLEAN ,NCLOB