求助,ssh报java.lang.ExceptionInInitializerError

Question

Error creating bean with name 'mySessionFactory' defined in class path resource [ssh.xml]:  这么明了了

Answer 1

        <set name='students'   table='t_student_course'  >
        <key column='t_course_id'></key>
         <many-to-many class=' pojo.Student'  column="t_student_id"></many-to-many>
        </set>
多了个空格