错误提示：
org.apache.jasper.JasperException: Unable to
compile class for JSP:
An error occurred at line: 8 in the generated
java file
Only a type can be imported.
com.bjsxt.registration.service.UserManager
resolves to a package
An error occurred at line: 9 in the generated
java file
Only a type can be imported.
com.bjsxt.registration.model.User resolves to a
package
An error occurred at line: 12 in the jsp file:
/Webroot/registerDeal.jsp
User cannot be resolved to a type
9: String password = request.getParameter
("password");
10: String password2 =
request.getParameter("password2");
11:
12: User u = new User();
13: u.setUsername(username);
14: u.setPassword(password);
15: Class.forName
("org.gjt.mm.mysql.Driver");
An error occurred at line: 12 in the jsp file:
/Webroot/registerDeal.jsp
User cannot be resolved to a type
9: String password = request.getParameter
("password");
10: String password2 =
request.getParameter("password2");
11:
12: User u = new User();
13: u.setUsername(username);
14: u.setPassword(password);
15: Class.forName
("org.gjt.mm.mysql.Driver");
An error occurred at line: 18 in the jsp file:
/Webroot/registerDeal.jsp
UserManager cannot be resolved to a type
15: Class.forName
("org.gjt.mm.mysql.Driver");
16: Connection conn =
DriverManager.getConnection
("jdbc:mysql://localhost/spring" , "root" ,
"mysqladmin");
17:
18: UserManager um = new UserManager();
19: boolean exist = um.exists(u);
20: if(exist){
21: response.sendRedirect
("registerFail.jsp");
An error occurred at line: 18 in the jsp file:
/Webroot/registerDeal.jsp
UserManager cannot be resolved to a type
15: Class.forName
("org.gjt.mm.mysql.Driver");
16: Connection conn =
DriverManager.getConnection
("jdbc:mysql://localhost/spring" , "root" ,
"mysqladmin");
17:
18: UserManager um = new UserManager();
19: boolean exist = um.exists(u);
20: if(exist){
21: response.sendRedirect
("registerFail.jsp");
Stacktrace:
org.apache.jasper.compiler.DefaultErrorHandler.
javacError(DefaultErrorHandler.java:92)
org.apache.jasper.compiler.ErrorDispatcher.java
cError(ErrorDispatcher.java:330)
org.apache.jasper.compiler.JDTCompiler.generate
Class(JDTCompiler.java:423)
org.apache.jasper.compiler.Compiler.compile
(Compiler.java:317)
org.apache.jasper.compiler.Compiler.compile
(Compiler.java:295)
org.apache.jasper.compiler.Compiler.compile
(Compiler.java:282)
org.apache.jasper.JspCompilationContext.compile
(JspCompilationContext.java:586)
org.apache.jasper.servlet.JspServletWrapper.ser
vice(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJsp
File(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service
(JspServlet.java:267)
javax.servlet.http.HttpServlet.service
(HttpServlet.java:717)
registerDeal.jsp代码：
<%@ page language="java" contentType="text/html" pageEncoding="GB18030"%>
<%@ page import="java.util.* , java.sql.*"%>