我有 JAVA EE 应用程序，我试图从 servelate 调用 EJB，但每次我遇到这个错误
HTTP Status 404 - Not Found
type Status report
messageNot Found
descriptionThe requested resource is not available.
我检查 glassfish 日志我看到了这个
SEVERE: Class [ Lejbexercises/StatlessFundManagerBean; ] not found. Error while loading [ class controllers.TestStatelessEJB ]
ejb class
/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package ejbexercises;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
/**
*
* @author
*/
@Stateless
@LocalBean
public class StatlessFundManagerBean {
public double addFunds(double balance, double amount) {
balance += amount;
return balance;
}
public double withdrawFunds(double balance, double amount) {
if (balance < 0) {
return 0.0;
} else {
balance -= amount;
return balance;
}
}
}
/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package controllers;
import ejbexercises.StatlessFundManagerBean;
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;
/**
*
* @author
*/
@WebServlet(name = "TestStatelessEJB", urlPatterns = {"/TestStatelessEJB"})
public class TestStatelessEJB extends HttpServlet {
@EJB(name = "sfm")
private StatlessFundManagerBean sfm;
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
double balance = 1200;
balance = (double) sfm.addFunds(balance, Double.parseDouble("1200"));
out.println("1st balance=" + balance );
} finally {
out.close();
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}