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无法使用嵌入的tomcat服务器在springboot中运行控制器类处理程序方法

jsp spring-mvc spring-boot spring

Mayank Kumar Thakur · 技术社区 · 3 年前

我创建了一个简单的控制器类处理程序方法来运行jsp类型的文件。我创造了一个TestController.java测试控制器文件有我的处理程序方法

package com.practice.myapp;

import javax.servlet.http.HttpServletRequest;

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

@Controller
public class TestController {
   @RequestMapping("/")
   @ResponseBody
   public String handler(HttpServletRequest request) {
       
       return "this is fun and awesome";
   }

   @RequestMapping("/home")
   public String home(){
       System.out.println("this is Home");

       return "home";
   }

}

应用程序属性-

spring.mvc.view.prefix= /views/
spring.mvc.view.suffix=.jsp

为了在控制器中使用jsp文件,我在src/main中创建了一个webapp文件夹,其中有一个包含jsp视图文件的文件夹视图。

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<%-- <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ page isELIgnored="false"%> --%>
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">


<title>Hello, world!</title>
</head>
<body>
    <h1> this is head </h1>
    
</body>
</html>

我还添加了tomcat嵌入的jasper maven依赖项来运行我的jsp文件。这是我POM的链接。 https://ide.geeksforgeeks.org/tryit.php/cOtzkizjYD

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.4.4)

2021-03-29 01:43:49.289  INFO 33924 --- [  restartedMain] com.practice.myapp.MyappApplication      : Starting MyappApplication using Java 15.0.1 on LAPTOP-RP0N4VRN with PID 33924 (F:\Project2020\SpringBootinVSCode\myapp\target\classes started by hp in F:\Project2020\SpringBootinVSCode\myapp)
2021-03-29 01:43:49.295  INFO 33924 --- [  restartedMain] com.practice.myapp.MyappApplication      : No active profile set, falling back to default profiles: default
2021-03-29 01:43:49.432  INFO 33924 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2021-03-29 01:43:49.432  INFO 33924 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2021-03-29 01:43:50.539  INFO 33924 --- [  restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.ws.config.annotation.DelegatingWsConfiguration' of type [org.springframework.ws.config.annotation.DelegatingWsConfiguration$$EnhancerBySpringCGLIB$$1a01da0f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2021-03-29 01:43:50.633  INFO 33924 --- [  restartedMain] .w.s.a.s.AnnotationActionEndpointMapping : Supporting [WS-Addressing August 2004, WS-Addressing 1.0]
2021-03-29 01:43:51.367  INFO 33924 --- [  restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2021-03-29 01:43:51.404  INFO 33924 --- [  restartedMain] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2021-03-29 01:43:51.404  INFO 33924 --- [  restartedMain] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.44]
2021-03-29 01:43:51.672 ERROR 33924 --- [  restartedMain] org.apache.catalina.core.ContainerBase   : A child container failed during start

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