nested exception is org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{__frch_item_0.successMedianTime,
                #{item.failCount}.  Check syntax #{property|(expression), var1=value1, var2=value2, ...} 

看下自己写的sql语句地方的参数是不是少大括号

Error creating bean with name 'courseController': Unsatisfied dependency expressed through field 'courseService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'courseServiceImpl': Unsatisfied dependency expressed through field 'courseMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'courseMapper' defined in file [D:\wnnj_workspace\phase3\coureselection\target\classes\com\wnnj\coureselection\mapper\CourseMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [D:\wnnj_workspace\phase3\coureselection\target\classes\mapper\CourseMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [D:\wnnj_workspace\phase3\coureselection\target\classes\mapper\CourseMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'course'. Cause: java.lang.ClassNotFoundException: Cannot find class: course
07-16
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