org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 6 in the jsp file: /testBean.jsp

Generated servlet error:
    [javac] Compiling 1 source file

F:\programe\apache\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\testBean_jsp.java:47: cannot find symbol
symbol  : class AccessTest
location: class org.apache.jsp.testBean_jsp
      AccessTest atest = null;
      ^



An error occurred at line: 6 in the jsp file: /testBean.jsp

Generated servlet error:
F:\programe\apache\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\testBean_jsp.java:49: cannot find symbol
symbol  : class AccessTest
location: class org.apache.jsp.testBean_jsp
        atest = (AccessTest) _jspx_page_context.getAttribute("atest", PageContext.PAGE_SCOPE);
                 ^



An error occurred at line: 6 in the jsp file: /testBean.jsp

Generated servlet error:
F:\programe\apache\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\testBean_jsp.java:51: cannot find symbol
symbol  : class AccessTest
location: class org.apache.jsp.testBean_jsp
          atest = new AccessTest();
                      ^



An error occurred at line: 12 in the jsp file: /testBean.jsp

Generated servlet error:
F:\programe\apache\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\testBean_jsp.java:62: cannot find symbol
symbol  : class AccessTest
location: class org.apache.jsp.testBean_jsp
      out.write(org.apache.jasper.runtime.JspRuntimeLibrary.toString((((AccessTest)_jspx_page_context.findAttribute("atest").getUser())));
                                                                        ^
4 errors


        org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:83)
        org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:315)
        org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:406)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:463)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:442)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:430)
        org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:274)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

我在 类目录在F:\programe\apache\Tomcat 5.0\webapps\jsp\WEB-INF\classes下面。真的找不出原因。请大家帮帮忙 ！谢谢！