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渲染视图时出现 Whitelabel 错误页面 404 - Java Spring 引导

[英]Whitelabel Error Page 404 when rendering view - Java Spring Boot

我在渲染我的 html 视图时遇到问题,试图显示从 MySQL 收集的 object 的简单列表。我相信这应该是一个简单的问题,但我无法弄清楚,我已经搜索了数百个类似的问题,但不能'解决不了我的。 没有日志显示在 Java 控制台或 cmd 使用 mvn spring-boot:run

在此处输入图像描述

当我在控制台上打印它时,我能够使用 DAO 正确地收集来自 MySQL 的信息,它显示正常。在我的 Controller 上打印它看起来像这样


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.servlet.ModelAndView;

import com.valuaciones_automoviles.afip.dao.VAutomovilesDao;

@Controller
public class VAutomovilesController {
    
    @Autowired
    VAutomovilesDao vaDao;
    
     private final Logger logger = LoggerFactory.getLogger(VAutomovilesController.class);
     
    @GetMapping("/")
    public ModelAndView index(){
        ModelAndView mv = new ModelAndView("index");
        
        mv.addObject("vaItems", vaDao.getVa());
        System.out.println(vaDao + "vaDao");
        logger.info(mv.toString());
        return mv;
    }
}

并在点击 localhost:8080 时打印以下内容:

Hibernate: select valuacione0_.in as in1_0_, valuacione0_.a2012 as a2_0_, valuacione0_.a2013 as a3_0_, valuacione0_.a2014 as a4_0_, valuacione0_.a2015 as a5_0_, valuacione0_.a2016 as a6_0_, valuacione0_.a2017 as a7_0_, valuacione0_.a2018 as a8_0_ , valuacione0_.a2019 as a9_0_, valuacione0_.a2020 as a10_0_, valuacione0_.a2021 as a11_0_, valuacione0_.descripcion as descrip12_0_, valuacione0_.marca as marca13_0_, valuacione0_.tipo as tipo14_0_ from valuaciones_automoviles valuacione0_ com.valuaciones_automoviles.afip.dao.VAutomovilesDao@17143b3bvaDao 2022-10-06 22:15:51.273 INFO 3516 --- [nio-8080-exec-1] c.vacontroller.VAutomovilesController: ModelAndView [view="index"; model={vaItems=[ValuacionesAutomoviles [id=1, marca=Ford, descripcion=4 puertas, tipo=auto, a2021=2121, a2020=44, a2019=2123, a2018=321, a2017=432, a2016=543, a2015 =6, a2014=654, a2013=564, a2012=45]]}]

看起来不错

我的 index.html 页面是

<html xmlns:th="http://www.thymeleaf.org">

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link th:rel="stylesheet" th:href="@{/webjars/bootstrap/3.4.1/css/bootstrap.min.css} " />
</head>

<body>
    <div class="container">
        <h1 class="text-center">Autos</h1>
        <hr />
        <table class="table table-bordered table-striped">
            <thead>
                <tr>
                    <th>Description</th>
                    <th>Complete</th>
                </tr>
            </thead>
            <tbody>
                 <tr th:each="item : ${vaItems}"> 
                     <td th:text="${item.marca}">marca</td> 
                     <td th:text="${item.descripcion}">descripcion</td> 
                </tr>
            </tbody>
        </table>
    </div>


    <script th:src="@{/webjars/jquery/3.6.0/jquery.min.js}"></script>
    <script th:src="@{/webjars/bootstrap/3.4.1/js/bootstrap.min.js}"></script>
</body>

</html>

我的 POM 是:

<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>2.7.4</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.valuaciones_automoviles</groupId>
    <artifactId>afip</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>afip</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>11</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>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>
        <!-- https://mvnrepository.com/artifact/org.thymeleaf/thymeleaf -->
        <dependency>
            <groupId>org.thymeleaf</groupId>
            <artifactId>thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>      
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.webjars/bootstrap -->
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>bootstrap</artifactId>
            <version>3.4.1</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.webjars/jquery -->
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>jquery</artifactId>
            <version>3.6.0</version>
        </dependency>
    </dependencies>
    
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

这是我的项目结构:

在此处输入图像描述

我没有添加 DAO 和实体以及 Hibernate Util class,因为它们似乎工作正常,因为我已经在打印 object。 任何帮助将不胜感激,如果需要任何额外信息,请告诉我

这是我在访问 localhost:8080 时得到的唯一日志,没有其他内容出现

在此处输入图像描述

2022-10-07 17:01:53.222 INFO 9408 --- [main] c.v.afip.AfipApplication:在 DESKTOP-6LF9U81 上使用 Java 14.0.2 启动 AfipApplication,PID 9408 (C:\Users\JOTA\Desktop\ Jota new projects\afip\afip\target\classes started by JOTA in C:\Users\JOTA\Desktop\Jota new projects\afip\afip) 2022-10-07 17:01:53.224 INFO 9408 --- [main] c.v.afip.AfipApplication:未设置活动配置文件,回落到 1 个默认配置文件:“默认”2022-10-07 17:01:54.256 INFO 9408 --- [main] osbwembedded.tomcat.TomcatWebServer:Tomcat 初始化为端口:8080 (http) 2022-10-07 17:01:54.271 INFO 9408 --- [main] o.apache.catalina.core.StandardService:启动服务 [Tomcat] 2022-10-07 17:01 :54.271 INFO 9408 --- [main] org.apache.catalina.core.StandardEngine:启动 Servlet 引擎:[Apache Tomcat/9.0.65] 2022-10-07 17:01:54.430 INFO 9408 --- [main] oac.c.C.[Tomcat].[localhost].[/]:初始化 alizing Spring embedded WebApplicationContext 2022-10-07 17:01:54.431 INFO 9408 --- [main] wsc.ServletWebServerApplicationContext: Root WebApplicationContext: initialization completed in 1171 ms 2022-10-07 17:01:54.694 -- INFO-94 main] osbawsWelcomePageHandlerMapping:添加欢迎页面模板:index 2022-10-07 17:01:54.857 INFO 9408 --- [main] osbwembedded.tomcat.TomcatWebServer: Tomcat 在端口上启动:8080 (http) with context path ' ' 2022-10-07 17:01:54.867 INFO 9408 --- [main] c.v.afip.AfipApplication:在 1.979 秒内启动 AfipApplication(JVM 运行 2.428)2022-10-07 17:01:54.944 INFO 9408 --- [main] org.hibernate.Version: HHH000412: Hibernate ORM 核心版本 5.6.11.Final 2022-10-07 17:01:55.100 INFO 9408 --- [main] o.88398388.9306 : HCANN000001: Hibernate Commons Annotations {5.1.2.Final} 2022-10-07 17:01:55.178 WARN 9408 --- [main] org.hibernate.8824 6207785488.connections.pooling:HHH10001002:使用 Hibernate 内置连接池(不适用于生产用途:)2022-10-07 17:01.55.182 INFO 9408 --- [main] org.hibernate.8824620778Hpooling0.0Hpooling0.0Hpooling0.0Hpooling0.0Hpooling0.0 在 URL 使用驱动程序 [com.mysql.cj.jdbc:Driver] [jdbc:mysql://localhost?3306/importar:useSSL=false] 2022-10-07 17:01.55.182 -- INFO- [940] org.hibernate.orm.connections:pooling: HHH10001001: 连接属性,{password=****: user=root} 2022-10-07 17:01.55.182 INFO 9408 --- [main] org.hibernate.87284connections5488ing: :HHH10001003:自动提交模式:false 2022-10-07 17:01.55.184 INFO 9408 --- [main].c.i:DriverManagerConnectionProviderImpl:HHH000115:Hibernate连接池大小:20(最小= 1)20272-10 17:01.55.334 INFO 9408 --- [main] org.hibernate.dialect:Dialect: HHH000400: 使用方言。 org.hibernate.dialect:MySQL5Dialect Hibernate.select valuacione0_,in as in1_0_. valuacione0_,a2012 作为 a2_0_。 valuacione0_,a2013 作为 a3_0_。 valuacione0_,a2014 为 a4_0_。 valuacione0_,a2015 作为 a5_0_。 valuacione0_,a2016 作为 a6_0_。 valuacione0_,a2017 作为 a7_0_。 valuacione0_,a2018 作为 a8_0_。 估值为 a9_0_,a2019。 将 a2020 估值为 a10_0_。 将 a2021 赋值为 a11_0_。 估值 0_,描述为描述 12_0_。 valuacione0_,marca 为 marca13_0_。 valuaciones0_,tipo as tipo14_0_ from valuaciones_automoviles valuacionesAutomoviles [id=1, marca=Ford, description=4 puertas, tipo=auto, a2021=2121, a2020=44, a2019=2123, a2018=323, a2017=462 , a2015=6, a2014=654, a2013=564: a2012=45]testtttt 2022-10-07 17:02.02.911 INFO 9408 --- [nio-8080-exec-1] oac.c.8851637[Toa84465588.8851637]. [localhost]:[/]: 初始化 Spring DispatcherServlet 'dispatcherServlet' 2022-10-07 17:02.02.911 INFO 9408 --- [nio-8080-exec-1] osweb.servlet:DispatcherServlet: 初始化 Servlet 'dispatcherServlet' 2022 -10-07 17:02.02.912 INFO 9408 --- [nio-8080-exec-1] osweb.servlet:DispatcherServlet: 在 0 ms Hibernate 内完成初始化。select valuacione0_,in as in1_0_。 valuacione0_,a2012 作为 a2_0_。 valuacione0_,a2013 作为 a3_0_。 valuacione0_,a2014 为 a4_0_。 valuacione0_,a2015 作为 a5_0_。 valuacione0_,a2016 作为 a6_0_。 valuacione0_,a2017 作为 a7_0_。 valuacione0_,a2018 作为 a8_0_。 估值为 a9_0_,a2019。 将 a2020 估值为 a10_0_。 将 a2021 赋值为 a11_0_。 估值 0_,描述为描述 12_0_。 valuacione0_,marca 为 marca13_0_。 valuacione0_.tipo as tipo14_0_ from valuaciones_automoviles valuacione0_ com.valuaciones_automoviles.afip.dao:VAutomovilesDao@2bc378f7vaDao 2022-10-07 17:02.02.935 INFO 9408 --- [nio-8080-exec-1] c.vacontroller:VAutomovilesController; ModelAndView [view="index", model={vaItems=[ValuacionesAutomoviles [id=1, marca=Ford, descripcion=4 puertas, tipo=auto, a2021=2121, a2020=44, a2019=2123, a2018=321, a2017 =432,a2016=543,a2015=6,a2014=654,a2013=564:a2012=45]]}] 2022-10-07 17:02.02.968 错误 9408 --- [nio-8080-exec-1] oac.c.C.[.[.[/]:[dispatcherServlet]。 Servlet [dispatcherServlet] 的 Servlet.service() 抛出异常 javax.servlet:ServletException: 循环视图路径 [错误]。 将再次分派回当前处理程序 URL [/error]:检查您的 ViewResolver 设置,(提示。这可能是未指定视图的结果。由于默认视图名称生成。)在 org.springframework.web.servlet.view .InternalResourceView:prepareForRendering(InternalResourceView.java.210) ~[spring-webmvc-5.3:23.jar.5.3.23] at org.springframework.web.servlet.view.InternalResourceView:renderMergedOutputModel(InternalResourceView.java.148) ~[spring-webmvc-5.3: 23.jar.5.3.23] at org.springframework.web.servlet.view.AbstractView:render(AbstractView.java.316) ~[spring-webmvc-5.3:23.jar.5.3.23] at org.springframework.web.servlet.DispatcherServlet:渲染(DispatcherServlet.java.1405)~[spring-webmvc-5.3:23.jar.5.3.23] 在 org.springframework.web.servlet.DispatcherServlet:processDispatchResult(DispatcherServlet.88213246945889)v[.114 -5.3:23.jar.5.3.23] at org.springframework.web.servlet.DispatcherServlet:doDispatch(DispatcherServlet.java.1088) ~[spring-webmvc-5.3:23.jar.5.3.23] at org.springframework.web.servlet.DispatcherServlet :doService(DispatcherServlet.java.964) ~[spring-webmvc-5.3:23.jar.5.3.23] at org.springframework.web.servlet.FrameworkServlet:processRequest(FrameworkServlet.java.1006) ~[spring-webmvc-5.3:23.jar.5.3. 23] at org.springframework.web.servlet.FrameworkServlet:doGet(FrameworkServlet.java.898) ~[spring-webmvc-5.3:23.jar.5.3.23] at javax.servlet.http.HttpServlet:service(HttpServlet.java.655) ~[ tomcat-embed-core-9.0:65.jar.4.0.FR] 在 org.springframework.web.servlet.FrameworkServlet:service(FrameworkServlet.java.883) ~[spring-webmvc-5.3:23.88202878901.3xserv2.5 java http.HttpServlet:服务(Ht tpServlet.java.764) ~[tomcat-embed-core-9.0:65.jar.4.0.FR] at org.apache.catalina.core.ApplicationFilterChain:internalDoFilter(ApplicationFilterChain.java.227) ~[tomcat-embed-core-9.0:65.jar.9.0 .65] at org.apache.catalina.core.ApplicationFilterChain:doFilter(ApplicationFilterChain.java.162) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.springframework.web.filter.RequestContextFilter:doFilterInternal(RequestContextFilter .java.100) ~[spring-web-5.3:23.jar.5.3.23] at org.springframework.web.filter.OncePerRequestFilter:doFilter(OncePerRequestFilter.java.117) ~[spring-web-5.3:23.jar.5.3.23] at org .apache.catalina.core.ApplicationFilterChain:internalDoFilter(ApplicationFilterChain.java.189) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.catalina.core.ApplicationFilterChain:doFilter(ApplicationFilterChain.882132 46945888.162) org.apache.catalina.core.ApplicationFilterChain:internalDoFilter(ApplicationFilterChain.java.189) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.catalina.core.ApplicationFilterChain:doFilter(ApplicationFilterChain.java.162) ~ [tomcat-embed-core-9.0:65.jar.9.0.65] at org.springframework.web.filter.OncePerRequestFilter:doFilter(OncePerRequestFilter.java.102) ~[spring-web-5.3:23.jar.5.3.23] at org.apache .catalina.core.ApplicationFilterChain:internalDoFilter(ApplicationFilterChain.java.189) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.catalina.core.ApplicationFilterChain:doFilter(ApplicationFilterChain.java.162) ~[tomcat-电子 MBED-CORE-9.0:65.jar.9.0.65] at org.apache.CATALINA.CORE.CORE.APPLICATIONDISPATCHER:INVOKE(APPLACTDISPATCHER.88213213246946945888.711) catalina.core.ApplicationDispatcher:processRequest(ApplicationDispatcher.java.461) ~[tomcat-embed-core-9.0:65.jar.9.0.65] 在 org.apache.catalina.core.ApplicationDispatcher:doForward(ApplicationDispatcher.8821382834)[88213828694] -core-9.0:65.jar.9.0.65] at org.apache.CATALINA.CORE.CORE.APPLICATIONDISPATCHER:forward(applicationdispatcher.java.313) 。核心 9.0:65.jar.9.0.65] 在 org.apache。 catalina.core.StandardHostValve:invoke(StandardHostValve.java.171) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.catalina.valves.ErrorReportValve:invoke(ErrorReportValve.java.92) ~[tomcat-embed -core-9.0:65.jar.9.0.65] at org.apache.catalina.core.StandardEngineValve:invoke(StandardEngineValve.java.78) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.catalina .connector.CoyoteAdapter:service(CoyoteAdapter.java.360) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.coyote.http11.Http11Processor:service(Http11Processor.java.399) ~[tomcat-embed- core-9.0:65.jar.9.0.65] at org.apache.coyote.coyote.abstractProcessorlight:Process(atracverSprocessorlight.8821324694588.65)连接处理程序:进程(AbstractProtocol.java.890)~[tomcat-embed-core -9.0:65.jar.9.0.65] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor:doRun(NioEndpoint.java.1789) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.tomcat.util .net.SocketProcessorBase:run(SocketProcessorBase.java.49) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.tomcat.util.threads.ThreadPoolExecutor:runWorker(ThreadPoolExecutor.java.1191) ~[tomcat-embed- core-9.0:65.jar.9.0.65] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker:run(ThreadPoolExecutor.java.659) ~[tomcat-embed-core-9.0:65.jar.9.0.65] at org.apache.tomcat. util.threads.TaskThread$WrappingRunnable:run(TaskThread.java.61) ~[tomcat-embed-core-9.0:65.jar.9.0.65] 在 java.base/java.lang.Thread:run(Thread:88213284:8693528) [na:na] 2022-10-07 17.02.02.969 错误 9408 --- [nio-8080-exec-1] oa88112844 65588.c.C:[Tomcat],[本地主机]。 异常处理ErrorPage[errorCode=0. 位置=/错误] javax:servlet:ServletException。 循环视图路径 [error]: 将再次发送回当前处理程序 URL [/error],请检查您的 ViewResolver 设置。 (提示。这可能是未指定视图的结果。由于默认视图名称生成。)在 org.springframework.web.servlet.view:InternalResourceView.prepareForRendering(InternalResourceView.java.210) ~[spring-webmvc-5:3.23. jar.5.3.23] at org.springframework.web.servlet.view:InternalResourceView.renderMergedOutputModel(InternalResourceView.java.148) ~[spring-webmvc-5:3.23.jar.5.3.23] at org.springframework.web.servlet.view:AbstractView. render(AbstractView.java.316) ~[spring-webmvc-5:3.23.jar.5.3.23] at org.springframework.web.servlet:DispatcherServlet.render(DispatcherServlet.java.1405) ~[spring-webmvc-5:3.23.jar.5.3.23 ] 在 org.springframework.web.servlet:DispatcherServlet.processDispatchResult(DispatcherServlet.java.1149) ~[spring-webmvc-5:3.23.jar.5.3.23] 在 org.springframework.883655086.8988.Dispatcher(Dispatcherservlet) DispatcherServlet.java.1088) ~[spring-webmvc-5:3.23.jar.5.3.23] at org.springframework.web.servlet:DispatcherServlet.doService(DispatcherServlet.java.964) ~[spring-webmvc-5:3.23.jar.5.3.23] at org.springframework.web.servlet:FrameworkServlet.processRequest(FrameworkServlet.java.1006) ~[spring-webmvc-5:3.23.jar.5.3.23] at org.springframework.web.servlet:FrameworkServlet.doGet(FrameworkServlet.java.898) ~[spring -webmvc-5:3.23.jar.5.3.23] .servlet:FrameworkServlet.service(FrameworkServlet.java.883) ~[spring-webmvc-5:3.23.jar.5.3.23] 在 javax.servlet.http:HttpServlet.service(HttpServlet.8821emcatbed-7.tom-core) ~ 0.65.jar.4.0.FR] 在 org.apache.cat alina.core:ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java.227) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.catalina.core:ApplicationFilterChain.doFilter(ApplicationFilterChain.java.162) ~[tomcat-embed -core-9:0.65.jar.9.0.65] at org.springframework.web.filter:RequestContextFilter.doFilterInternal(RequestContextFilter.java.100) ~[spring-web-5:3.23.jar.5.3.23] at org.springframework.web.filter :OncePerRequestFilter.doFilter(OncePerRequestFilter.java.117) ~[spring-web-5:3.23.jar.5.3.23] at org.apache.catalina.core:ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java.189) ~[tomcat-embed-core-9: 0.65.jar.9.0.65] at org.apache.CATALINA.CORE:applicationFilterChain.dofilter(ApplicationFilterChain.8821324694588.162) er:OncePerRequestFilter.doFilter(OncePerRequestFilter.java.102) ~[spring-web-5:3.23.jar.5.3.23] at org.apache.catalina.core:ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java.189) ~[tomcat-embed-core-9 :0.65.jar.9.0.65] at org.apache.catalina.core:ApplicationFilterChain.doFilter(ApplicationFilterChain.java.162) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.springframework.web.filter:OncePerRequestFilter 。 jar.9.0.65] at org.apache.catalina.core:ApplicationFilterChain.doFilter(ApplicationFilterChain.java.162) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.catalina.core:ApplicationDispatcher.invoke( ApplicationDispatcher.java.711) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.catalina.core:ApplicationDispatcher.processRequest(ApplicationDispatcher.java.461) ~[tomcat-embed-core-9:0.65.jar.9 .0.65] 在 org.apache.catalina.core:ApplicationDispatcher.doForward(ApplicationDispatcher.java.385) ~[tomcat-embed-core-9:0.65.jar.9.0.65] 在 org.apache.catalina(DispatcherApplicationDispacherApplication.catalina. .java.313) [0.65] atrg.apache.CATALINA.CORE:StandardHostValve.Status(StandardHostvalve.8821324694588.249) java.171) ~[tomcat-embed-core-9:0.65.8 8202878901088.9.0.65] at org.apache.catalina.valves:ErrorReportValve.invoke(ErrorReportValve.java.92) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.catalina.core:StandardEngineValve.invoke( StandardEngineValve.java.78) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.catalina.connector:CoyoteAdapter.service(CoyoteAdapter.java.360) ~[tomcat-embed-core-9:0.65.jar.9 .0.65] at org.apache.coyote.http11:Http11Processor.service(Http11Processor.java.399) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.coyote:AbstractProcessorLight.process(AbstractProcessorLight.java.65 ) ~[tomcat-embed-core-9:0.65.jar.9.0.65] 在 org.apache.coyote:AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java.890) ~[tomcat-embed-core-9:0.608.8590.0.608.8592]在 org.apache.tomcat.util.net:NioEndpoint$SocketProcessor。 doRun(NioEndpoint.java.1789) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.tomcat.util.net:SocketProcessorBase.run(SocketProcessorBase.java.49) ~[tomcat-embed-core-9:0.65 .jar.9.0.65] at org.apache.tomcat.util.threads:ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java.1191) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.tomcat.util.threads:ThreadPoolExecutor$Worker .run(ThreadPoolExecutor.java.659) ~[tomcat-embed-core-9:0.65.jar.9.0.65] at org.apache.tomcat.util.threads:TaskThread$WrappingRunnable.run(TaskThread.java.61) ~[tomcat-embed-core- 9:0.65.jar.9.0.65] 在 java.base/java.lang:Thread:run(Thread.java:832) ~[na:na]

从日志来看,它似乎是 thymeleaf 的配置问题。因为它没有找到模板,并且错误表示would dispatch back to the current handler URL [/error] again. Check your ViewResolver setup! would dispatch back to the current handler URL [/error] again. Check your ViewResolver setup!

根据您的上一条评论,您在 application.properties 中禁用了 thymeleaf。 启用 thymeleaf并检查它应该工作。

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