javax.el.PropertyNotFoundException: Property 'id' not found on type java.lang.St

Question

SSH 在action跳转过程中报错：
Servlet.service() for servlet jsp threw exception
javax.el.PropertyNotFoundException: Property 'id' not found on type java.lang.String

Answer 1

页面报错：
javax.servlet.ServletException: org.apache.jasper.JasperException: An exception occurred processing JSP page /manager/addCourse.jsp at line 7370:  <select name="specialtyId" id="specialtyId">
71:  <option value="-1">请选择专业</option> 
72:  <c:forEach items="specialty" var="spe">
73:  <option value="${spe.id}">${spe.enterYear}届${spe.langthYear}年制${spe.name}专业</option>
74:  </c:forEach>
75:  </select>
76:    </td>

Answer 2

已解决
应该把<c:forEach items="specialty" var="spe">
改为<c:forEach items="${specialty}" var="spe">