ibatis动态sql配置启动时提示：The content of elements must consist of well-formed character data...

ibatis配置如下，高手帮我看看。<select id="exportRecieveData"  parameterClass="java.util.HashMap"resultClass="java.util.HashMap">        SELECT L_SERIALNO as serialno,  C_CONTENT as content,   C_MOBILENO as mobileno,    C_DATE as cdate,    C_TIME as ctime,      C_FUNDACCO as fundacco,      L_BACKID as backid,      C_TASKCODE as taskcode,        C_BACK as back,            C_BACKCONTENT as backcontent,            C_BACKDATE as backdate,            C_BACKTIME as backtime,            c_pipe as l_type              FROM TSMS_RECEIVE       <dynamic prepend="where">       <isPropertyAvailable property="taskCode">                        <isNotEmpty prepend="and" property="taskCode">                                 C_TASKCODE =#taskCode#                         </isNotEmpty>                 </isPropertyAvailable>      <isPropertyAvailable property="startDate">                        <isNotEmpty prepend="and" property="startDate">                                 C_DATE >= #startDate#                         </isNotEmpty>                 </isPropertyAvailable>      <isPropertyAvailable property="endDate">                        <isNotEmpty prepend="and" property="endDate">                                 C_DATE <= #endDate#                          </isNotEmpty>                 </isPropertyAvailable>      <isPropertyAvailable property="mobileNo">                        <isNotEmpty prepend="and" property="mobileNo">                                 C_MOBILENO = #mobileNo#                         </isNotEmpty>                 </isPropertyAvailable>      <isPropertyAvailable property="fundAcco">                        <isNotEmpty prepend="and" property="fundAcco">                                 C_FUNDACCO = #fundAcco#                        </isNotEmpty>                 </isPropertyAvailable>           </dynamic> </select>