Java Spring引导安全身份验证[无法找到此本地主机页：HTTP错误404]错误

希望你们做得很好

我正在为我的应用程序实现spring安全性。我给了两个角色，分别是“管理员”和“员工”。如果用户具有管理员或员工角色，则他们在编辑或删除记录时应进行身份验证和授权。但当前，当具有管理员角色的用户尝试删除记录时，它应该请求身份验证，但不是直接请求，并抛出错误消息：找不到此本地主机页：HTTP错误404

注意：它根本不要求管理员和员工角色的身份验证和授权。它只是抛出一个HTTP404错误

谁能帮我解决这个问题我做错了什么

我尝试过此解决方案，但对我无效：

这是我的控制器：

package com.project.ems.controller;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.project.ems.entity.Employee;
import com.project.ems.model.EmployeeModel;
import com.project.ems.repository.EmployeeRepository;

@Controller
public class EmployeeController {
    
    @Autowired
    EmployeeRepository repository;
    
    @GetMapping("/index")
    public String  getIndexPage() {
        return  "index";
    }
    
    @GetMapping("/addEmployee")
    public String getAddEmployeePage(Model model) {
        EmployeeModel  empModel=new EmployeeModel();
        model.addAttribute("empModel", empModel);
        return "addEmployee";
    }
    
    @PostMapping("/saveEmployee")
    public String  saveEmployee(@ModelAttribute("empModel")EmployeeModel  empModel, Model model) {
        Employee e = new Employee();
        BeanUtils.copyProperties(empModel, e);
        
        boolean flag=repository.existsById(e.getEmpno());
        if(flag==true) {
            model.addAttribute("message", "Employee with given empno already exist");
        }
        else {
            repository.save(e);
            model.addAttribute("message", "Employee is added to Database");
        }
        return "index";
    }
    
    @GetMapping("/listEmployees")
    public String listEmployees(Model model) {
        List<Employee>  empList= repository.findAll();
        
        List<EmployeeModel>  empModelList=new  ArrayList<>();
        
        empList.forEach(e -> {
            
            EmployeeModel emodel=new EmployeeModel();
            BeanUtils.copyProperties(e, emodel);
            empModelList.add(emodel);
            
        });
        
        model.addAttribute("empModelList", empModelList);
        return "employeesList";
    }
    
    @GetMapping("/editEmployee")
    public String editEmployeePage(@RequestParam("id") int empno, Model model) {
        Employee  e = repository.findById(empno).get();
        EmployeeModel  emodel=new EmployeeModel();
        BeanUtils.copyProperties(e, emodel);
        model.addAttribute("emodel",emodel);
        return "editEmployee";
    
    }
    @PostMapping("/updateEmployee")
    public String updateEmployee(@ModelAttribute("emodel") EmployeeModel emodel) {
        Employee e=new Employee();
        BeanUtils.copyProperties(emodel, e);
        repository.saveAndFlush(e);
        return "redirect:listEmployees";
    }
    
    @GetMapping("/deleteEmployee")
    public String deleteEmployee(@RequestParam("id") int empno) {
        repository.deleteById(empno);
        return "redirect:listEmployees";
    }
    
}

    <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.4</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.project</groupId>
    <artifactId>ems</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>ems</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <dependency>
        <groupId>jstl</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

这是我的POM.XML:

package com.project.ems.controller;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.project.ems.entity.Employee;
import com.project.ems.model.EmployeeModel;
import com.project.ems.repository.EmployeeRepository;

@Controller
public class EmployeeController {
    
    @Autowired
    EmployeeRepository repository;
    
    @GetMapping("/index")
    public String  getIndexPage() {
        return  "index";
    }
    
    @GetMapping("/addEmployee")
    public String getAddEmployeePage(Model model) {
        EmployeeModel  empModel=new EmployeeModel();
        model.addAttribute("empModel", empModel);
        return "addEmployee";
    }
    
    @PostMapping("/saveEmployee")
    public String  saveEmployee(@ModelAttribute("empModel")EmployeeModel  empModel, Model model) {
        Employee e = new Employee();
        BeanUtils.copyProperties(empModel, e);
        
        boolean flag=repository.existsById(e.getEmpno());
        if(flag==true) {
            model.addAttribute("message", "Employee with given empno already exist");
        }
        else {
            repository.save(e);
            model.addAttribute("message", "Employee is added to Database");
        }
        return "index";
    }
    
    @GetMapping("/listEmployees")
    public String listEmployees(Model model) {
        List<Employee>  empList= repository.findAll();
        
        List<EmployeeModel>  empModelList=new  ArrayList<>();
        
        empList.forEach(e -> {
            
            EmployeeModel emodel=new EmployeeModel();
            BeanUtils.copyProperties(e, emodel);
            empModelList.add(emodel);
            
        });
        
        model.addAttribute("empModelList", empModelList);
        return "employeesList";
    }
    
    @GetMapping("/editEmployee")
    public String editEmployeePage(@RequestParam("id") int empno, Model model) {
        Employee  e = repository.findById(empno).get();
        EmployeeModel  emodel=new EmployeeModel();
        BeanUtils.copyProperties(e, emodel);
        model.addAttribute("emodel",emodel);
        return "editEmployee";
    
    }
    @PostMapping("/updateEmployee")
    public String updateEmployee(@ModelAttribute("emodel") EmployeeModel emodel) {
        Employee e=new Employee();
        BeanUtils.copyProperties(emodel, e);
        repository.saveAndFlush(e);
        return "redirect:listEmployees";
    }
    
    @GetMapping("/deleteEmployee")
    public String deleteEmployee(@RequestParam("id") int empno) {
        repository.deleteById(empno);
        return "redirect:listEmployees";
    }
    
}

    <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.4</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.project</groupId>
    <artifactId>ems</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>ems</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <dependency>
        <groupId>jstl</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

---

你能出示日志吗？我已经添加了查询，请看一下。