问题描述
您好,我正在处理一些 EJB 项目并遇到了这个问题。每次当我尝试在我的 servlet 中插入代码 > 调用企业 bean > UserFacade 时,它都会返回 HTTP 404 - Not Found。如果我评论那些导入的行,它会正常工作。这个问题有什么解决办法吗?
package controller;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.servletexception;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.UserFacade;
/**
*
* @author sherw
*/
@WebServlet(name = "Login",urlPatterns = {"/Login"})
public class Login extends HttpServlet {
@EJB //Imported Code
private UserFacade userFacade; //Imported Code
protected void processRequest(HttpServletRequest request,HttpServletResponse response)
throws servletexception,IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
@Override
protected void doGet(HttpServletRequest request,IOException {
processRequest(request,response);
}
@Override
protected void doPost(HttpServletRequest request,response);
}
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
解决方法
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