ssi ibatis 项目，加载xml配置文件报错，但是有这个类，求指教

Caused by: java.lang.ClassNotFoundException: com.smarter.manager.bo.MeetingFile

<resultMap id="meetingFileResult" class="meetingfile">
 <result property="id" column="id"/> 
 <result property="meetingId" column="meetingid"/>
 <result property="mprocessid" column="mprocessid"/>
 <result property="filename" column="filename"/>
 <result property="savepath" column="savepath"/>
 <result property="filecontext" column="filecontext"/>
 <result property="uploadtime" column="uploadtime"/>