尝试访问我的网站时 Tomcat 服务器出现 404s

问题描述 投票：0回答：1

我正在尝试制作一个网站来托管我的一些个人摄影作品。我已经使用 ubuntu 购买了 VPS 的访问权限。我的网站使用带有 MySQL 数据库的 Spring Boot 并使用 JSP。我正在尝试使用 tomcat 服务器让我的网站正常工作。

当我尝试通过 VPSip:8080/service 访问我的网站时，出现此错误：

HTTP 状态 404 – 未找到 类型状态报告 消息 请求的资源[/service/]不可用 描述 源服务器未找到目标资源的当前表示或不愿意透露该表示存在。

当我访问VPSip:8080/时，Tomcat 工作正常。

我尝试更改我的 MainController 类以具有 /service 的映射，以前它只是“/”，但这没有帮助。

主控制器代码：

package com.example.photographygallerysite.controller;


import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;


@Controller
public class MainController {

    @RequestMapping("/service")
    public String start() {
        return "start";
    }



}

开始引用start.jsp：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Photography by Oliver Johnson</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
        body {
            font-family: 'Arial', sans-serif;
            background-color: rgb(255, 253, 247);
            margin: 0;
            padding: 0;
            text-align: center;
        }

        h1 {
            color: #333;
            margin-top: 50px;
            font-family: 'Corben', Georgia, Times, serif;
            color: rgb(38, 24, 24);
        }

        a {
            display: inline-block;
            padding: 10px 20px;
            margin-top: 20px;
            background-color: rgb(38, 24, 24);
            color: #fff;
            text-decoration: none;
            border-radius: 2px;
            transition: background-color 0.3s;
            font-family: 'Nobile', Helvetica, Arial, sans-serif;
        }

        a:hover {
            background-color: rgba(66, 66, 66, 0.55);
        }

        .slideshow-container {
            max-width: 750px;
            margin: auto;
            position: relative;
        }

        .mySlides {
            display: none;
            width: 100%;
            animation: fade 7s linear; /* Adjust the duration as needed */
        }

        @keyframes fade {
            0%, 5% {
                opacity: 0;
            }
            5%, 95% {
                opacity: 1;
            }
            99%, 100% {
                opacity: 0;
            }
        }

        .w3-badge {
            height: 13px;
            width: 13px;
            margin: 0 2px;
            background-color: #bbb;
            border-radius: 50%;
            display: inline-block;
            transition: background-color 0.6s;
        }

        .w3-badge-active {
            background-color: #4285f4;
        }

        /* Content separator styling */
        .separator {
            border-top: 2px solid #ccc;
            margin: 20px auto;
            width: 57%;
            opacity: 50%;
        }
    </style>
</head>
<body>

<h1>Photography by Oliver Johnson</h1>

<div class="separator"></div>

<div class="slideshow-container w3-content w3-section">
    <div class="mySlides w3-animate-fading">
        <img src="http://ip:8080/images/firstImg.jpg" style="width:100%">
    </div>

    <div class="mySlides w3-animate-fading">
        <img src="http://ip:8080/images/DSC_0393.JPG" style="width:100%">
    </div>

    <div class="mySlides w3-animate-fading">
        <img src="http://ip:8080/images/DSC_0348.jpg" style="width:100%">
    </div>

    <div class="mySlides w3-animate-fading">
        <img src="http://ip:8080/images/DSC_0383.jpg" style="width:100%">
    </div>
</div>

<div class="separator"></div>

<script>
    var myIndex = 0;
    carousel();

    function carousel() {
        var slides = document.getElementsByClassName("mySlides");
        for (var i = 0; i < slides.length; i++) {
            slides[i].style.display = "none";
        }
        myIndex++;
        if (myIndex > slides.length) {
            myIndex = 1;
        }
        slides[myIndex - 1].style.display = "block";
        setTimeout(carousel, 7000); // Adjust the timeout to match the animation duration
    }
</script>

<a href="http://ip:8080/displayAll">See all pictures</a>

</body>
</html>

摄影画廊网站应用程序代码

package com.example.photographygallerysite;

import com.example.photographygallerysite.Model.Image;
import com.example.photographygallerysite.repo.ImageRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;


@SpringBootApplication
public class PhotographyGallerySiteApplication extends SpringBootServletInitializer implements CommandLineRunner {
    @Autowired
    private ImageRepository repo;

    public static void main(String[] args) {
        SpringApplication.run(PhotographyGallerySiteApplication.class, args);
    }

    @Override
    public void run(String... args) throws Exception {

        Image firstImg = new Image();
        firstImg.setFilename("firstImg.jpg");
        firstImg.setLocation("Hartlepool");
        firstImg.setCamera("Old Nikon");
        repo.save(firstImg);

        Image DSC_0393 = new Image();
        DSC_0393.setFilename("DSC_0393.JPG");
        DSC_0393.setLocation("Hartlepool");
        DSC_0393.setCamera("Old Nikon");
        repo.save(DSC_0393);

        Image DSC_0323 = new Image();
        DSC_0323.setFilename("DSC_0323.jpg");
        DSC_0323.setLocation("Hartlepool");
        DSC_0323.setCamera("Old Nikon");
        repo.save(DSC_0323);

        Image DSC_0332 = new Image();
        DSC_0332.setFilename("DSC_0332.jpg");
        DSC_0332.setLocation("Hartlepool");
        DSC_0332.setCamera("Old Nikon");
        repo.save(DSC_0332);

        Image DSC_0348 = new Image();
        DSC_0348.setFilename("DSC_0348.jpg");
        DSC_0348.setLocation("Hartlepool");
        DSC_0348.setCamera("Old Nikon");
        repo.save(DSC_0348);

        Image DSC_0368 = new Image();
        DSC_0368.setFilename("DSC_0368.jpg");
        DSC_0368.setLocation("Hartlepool");
        DSC_0368.setCamera("Old Nikon");
        repo.save(DSC_0368);

        Image DSC_0383 = new Image();
        DSC_0383.setFilename("DSC_0383.jpg");
        DSC_0383.setLocation("Hartlepool");
        DSC_0383.setCamera("Old Nikon");
        repo.save(DSC_0383);

        Image DSC_0389 = new Image();
        DSC_0389.setFilename("DSC_0389.jpg");
        DSC_0389.setLocation("Hartlepool");
        DSC_0389.setCamera("Old Nikon");
        repo.save(DSC_0389);
    }
}
java spring-boot tomcat
1个回答
0
投票

尝试对 Spring boot REST API 使用正确的指南， 现在我们很少将 JSP 与 Spring Boot 一起使用。

尝试使用一些配置 并尝试发布您的 

application.properties

如果没有则添加此行

spring.mvc.view.prefix=/jsp/

spring.mvc.view.suffix=.jsp

在

tomcat-embed-jasper
中添加
pom.xml

    <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                
            </dependency>
            <dependency>
                <groupId>org.apache.tomcat.embed</groupId>
                <artifactId>tomcat-embed-jasper</artifactId>
                <scope>provided</scope>
            </dependency>
        </dependencies>
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