jsp泛型错误问题。。。求解啊！！！
jsp代码

Java code

<%@ page  contentType="image/jpeg; charset=GBK" import="serverDAO.*" %>

　　<%

　　response.setHeader("Pragma","No-cache");

　　response.setHeader("Cache-Control","no-cache");

　　response.setDateHeader("Expires", 0);

　　RandImgCreater rc = new RandImgCreater(response);

　　//RandImgCreater rc = new RandImgCreater(response,8,"abcdef");

　　//rc.setBgColor(100,100,100);

　　String rand = rc.createRandImage();

　　session.setAttribute("rand",rand);

　　%>

控制台错误显示：
严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: 5 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
2: 
3: 　　<%
4: 
5: 　　response.setHeader("Pragma","No-cache");
6: 
7: 　　response.setHeader("Cache-Control","no-cache");
8: 


An error occurred at line: 7 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
4: 
5: 　　response.setHeader("Pragma","No-cache");
6: 
7: 　　response.setHeader("Cache-Control","no-cache");
8: 
9: 　　response.setDateHeader("Expires", 0);
10: 


An error occurred at line: 9 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
6: 
7: 　　response.setHeader("Cache-Control","no-cache");
8: 
9: 　　response.setDateHeader("Expires", 0);
10: 
11: 　　RandImgCreater rc = new RandImgCreater(response);
12: 


An error occurred at line: 11 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
8: 
9: 　　response.setDateHeader("Expires", 0);
10: 
11: 　　RandImgCreater rc = new RandImgCreater(response);
12: 
13: 　　//RandImgCreater rc = new RandImgCreater(response,8,"abcdef");
14: 


An error occurred at line: 13 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
10: 
11: 　　RandImgCreater rc = new RandImgCreater(response);
12: 
13: 　　//RandImgCreater rc = new RandImgCreater(response,8,"abcdef");
14: 
15: 　　//rc.setBgColor(100,100,100);
16: 


An error occurred at line: 19 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
16: 
17: 　　String rand = rc.createRandImage();
18: 
19: 　　session.setAttribute("rand",rand);
20: 
21: 　　%>
22: 


An error occurred at line: 21 in the jsp file: /yzxml.jsp
Syntax error on tokens, delete these tokens
18: 
19: 　　session.setAttribute("rand",rand);
20: 
21: 　　%>
22: 


Stacktrace:
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)
。。。。。。。。。。。。
网上找了好久答案，没有所获啊，几个jsp页面，就这个有问题，我jdk是1.7的，应该没问题。
求大神解释啊！！