求助!高手帮帮忙!

[shxchen1104]

/admin/addhw.jsp:407: cannot access com.jspsmart.upload.SmartUpload
bad class file: D:\hosting\wwwroot\51mingpian_cn\htdocs\WEB-INF\classes\com\jspsmart\upload\SmartUpload.class
class file has wrong version 49.0, should be 48.0
Please remove or make sure it appears in the correct subdirectory of the
classpath.
SmartUpload mySmartUpload=new SmartUpload();
^
1 error
这个错误是不是jdk版本不对呢,我原本是用的jdk1.5的,后来重新用jdk1.4.1编译,就会出现这样的问题!
<%@ page contentType="text/html;charset=GBK" language="java" import="java.sql.*,java.util.Date,com.jspsmart.upload.*" %>
<% com.jspsmart.upload.SmartUpload mySmartUpload=new com.jspsmart.upload.SmartUpload();%>这个地方就会出错?谢谢了

[meiZiNick]

不会,帮顶

[chengwei1]

你试一下jdk1.6的版本，