Java 在spring控制器spring boot中提供jsp页面时出错？

我对Spring比较陌生，所以我只是尝试从Spring控制器呈现一个jsp页面。然而，我一直收到一个白色标签错误页面。我已经尝试了几乎所有可能的方法来解决错误，但我似乎无法找出导致404的原因。有什么建议吗

 This application has no explicit mapping for /error, so you are seeing this as a fallback.
    Sat Dec 30 11:45:49 EAT 2017
    There was an unexpected error (type=Not Found, status=404).
    /WEB-INF/jsp/index.jsp

package com.example.TestProject;


import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@Controller
public class HomeController {


    @RequestMapping("/")
    public String hello(ModelMap model){
        model.put("message","Hello World");
        return "index";

    }
}

package com.example.TestProject;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableWebMvc
public class MvcConfiguration extends WebMvcConfigurerAdapter {
    @Bean
    public ViewResolver getViewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/jsp/");
        resolver.setSuffix(".jsp");
        return resolver;
    }

    @Override
    public void configureDefaultServletHandling(
            DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
}

application.properties
spring.mvc.view.prefix: /WEB-INF/jsp/
spring.mvc.view.suffix: .jsp

pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example</groupId>
    <artifactId>TestProject</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>TestProject</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
            <scope>provided</scope>
        </dependency>
    </dependencies>

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


</project>

TestApplication.java
package com.example.TestProject;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

@ComponentScan("com.example.TestProject")

@SpringBootApplication
public class TestProjectApplication {

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

此应用程序没有/error的显式映射，因此您将其视为回退。
2017年12月30日星期六11:45:49
出现意外错误（类型=未找到，状态=404）。
/WEB-INF/jsp/index.jsp
包com.example.TestProject；
导入org.springframework.stereotype.Controller；
导入org.springframework.ui.ModelMap；
导入org.springframework.web.bind.annotation.RequestMapping；
导入org.springframework.web.bind.annotation.RestController；
@控制器
公共类家庭控制器{
@请求映射（“/”）
公共字符串hello（ModelMap模型）{
model.put（“message”、“Hello World”）；
返回“索引”；
}
}
包com.example.TestProject；
导入org.springframework.context.annotation.Bean；
导入org.springframework.context.annotation.Configuration；
导入org.springframework.web.servlet.viewsolver；
导入org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer；
导入org.springframework.web.servlet.config.annotation.EnableWebMvc；
导入org.springframework.web.servlet.config.annotation.WebMVCConfigureAdapter；
导入org.springframework.web.servlet.view.InternalResourceViewResolver；
@配置
@EnableWebMvc
公共类MVCConfigureAdapter扩展了WebMVCConfigureAdapter{
@豆子
公共ViewResolver getViewResolver（）{
InternalResourceViewResolver解析器=新的InternalResourceViewResolver（）；
resolver.setPrefix（“/WEB-INF/jsp/”）；
resolver.setSuffix（“.jsp”）；
返回解析器；
}
@凌驾
公共无效配置DefaultServletHandling(
DefaultServletHandlerConfigurer（配置器）{
configurer.enable（）；
}
}
应用程序属性
spring.mvc.view.prefix:/WEB-INF/jsp/
spring.mvc.view.suffix:.jsp
pom.xml
4.0.0
com.example
请检查是否在生成文件中设置了正确的依赖项

确保依赖项列表中包含jasper和jstl：

<dependency>
    <groupId>org.apache.tomcat.embed</groupId>
    <artifactId>tomcat-embed-jasper</artifactId>
    <scope>provided</scope>
</dependency>
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
</dependency>


org.apache.tomcat.embed