after trying multiple times on freemarker to work, I switched to thymeleaf and also faced the same problem. When returning the html file, it's just a string value and not the html file in the templates folder.
I don't know why it doesn't even start in console, when I watched youtube thymeleaf videos it shows in their console.
package com.example.demo;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
#RestController
public class controller {
#GetMapping
public String getUser(Model model) {
model.addAttribute("something", "welcome to the club");
return "user";
}
}
here is the html file in main/resources/templates
<!DOCTYPE html>
<html xmlns:th="https://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Code</title>
</head>
<body>
<h1 th:text="${something}"></h1>
</body>
</html>
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 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>2.5.4</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</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-thymeleaf</artifactId>
</dependency>
<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>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Solved now, I replace #RestController with #Controller because #RestController adds #ResponseBody and prevents to get the view.
Related
I'm practicing my springboot knowledge so I'm trying to create a simple Todo Application. When I run my main app at localhost:8080/tasks/list, I'm getting a Whitelabel error page even If I configure the correct routing for my html file. I'm using JSP at this time, I also created a thymeleaf version of this but still I'm getting the same error. Thanks!
enter image description here
MainApp.java
package task.springboot.todo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
#SpringBootApplication
public class TodoappOracleApplication {
public static void main(String[] args) {
SpringApplication.run(TodoappOracleApplication.class, args);
}
}
TaskController.java
package task.springboot.todo.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
#Controller
#RequestMapping("/tasks")
public class TaskController {
#GetMapping("/list")
public String showTodoList() {
return "todo-list";
}
}
todo-list.jsp
<!DOCTYPE html>
<html>
<head>
<title> Todo Application </title>
</head>
<body>
<h2>Welcome to Todo Application</h2>
</body>
</html>
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 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>2.7.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>task.springboot.todo</groupId>
<artifactId>todoapp_oracle</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>todoapp_oracle</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>17</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.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.oracle.database.jdbc</groupId>
<artifactId>ojdbc8</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>
application.properties
#
#
#
#
# Oracle Database Datasource
#
#
spring.datasource.url=jdbc:oracle:thin:#localhost:1521:xe
spring.datasource.username=system
spring.datasource.password=password
#
#
#
#
Please add thymeleaf dependency to the pom.xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
and change the file extension from .jsp to .html (todo-list.html) and place it under path src/main/resources/templates
I get error like this when I used thymeleaf as view engine.
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Sat Feb 13 15:57:19 EET 2021
There was an unexpected error (type=Not Found, status=404).
No message available
My MainCotroller is like :
public class MainController {
#RequestMapping("/")
public ModelAndView homePage(){
ModelAndView homepage=new ModelAndView("homepage");
homepage.addObject("username","Ayberk");
return homepage;
}
}
My homepage.html file is like this:
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<!--/*#thymesVar id="username" type="String"*/-->
<p th:text="${username}"></p>
<br />
<p>GoodBye</p>
</body>
</html>
My pom.xml file is like this:
<?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>2.4.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>newproject</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>newproject</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-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</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>
<resources>
<resource>
<filtering>false</filtering>
<directory>src/main/resources</directory>
</resource>
</resources>
</build>
</project>
My idea is Intellij 2020 and I have read this problem is related with intellij version. But i have not seen any solution. Is there any solution for it? What can i do?
EDIT AFTER RUDI'S ANSWER BUT STILL SAME ERROR.
#RequestMapping("/")
public String homePage(Model model){
model.addAttribute("username" , "ayberk");
return "src\\main\\resources\\templates\\homepage";
//return "homepage"; also tried like this.
}
My ModelAndView packages is org.springframework.web.servlet.ModelAndView
I created just a simle springBoot application,and I want when i lunch
my application it retun me my jsp page in my browser. but when I type
localhost:8080 in my browser it return me this type of error"There was
an unexpected error (type=Not Found, status=404)."I added jasper
dependency got same error,I use jsp api dependency in place jasper i
got same error.
what is the reason i am not getting jsp page as a result,why it throws
error404
this type of error
project file strcture
HomeController.java
package com.main.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
#Controller
public class HomeController {
#RequestMapping("/")
public String host() {
return "Katak.jsp";
}
}
Katak.jsp
<%# page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
Welcome to security World
</body>
</html>
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 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>2.0.8.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.main</groupId>
<artifactId>BasicSecurity-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>BasicSecurity-2</name>
<description>Demo project for SpringSecurity</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-jasper -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>8.5.37</version>
</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>
Make sure that you are using proper jsp names, in project structure, jsp name is showing as "Katakile.jsp". But in controller you are returning "Katak.jsp".
If names are proper and still not working, please use "tomcat-embed-jasper" dependency instead of "tomcat-jasper" and remove the tomcat-jasper dependency from your classpath, if exists.
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>8.5.6</version>
<scope>provided</scope>
</dependency>
Just edit this line
#RequestMapping("/katak")
public String host() {
return "/Katakile.jsp";
}
And try acces localhost:8080/katak
I am trying to create a UI with JSP and SpringBoot using SpringMVC.
after all the configuration properly done i am still getting the error - "java.lang.ClassNotFoundException: org.eclipse.jdt.internal.compiler.env.INameEnvironment" I have tried so much to resolve it but still not working. if anyone can help me. thank you in advance.
My file structure
enter image description here
My Controller
package com.capgemini.PACE.PACE;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
#Controller
public class HelloController {
#RequestMapping("/")
public String Hello()
{
return "/Hello";
}
}
My SpringBoot page
package com.capgemini.PACE.PACE;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
#SpringBootApplication
public class PaceApplication {
public static void main(String[] args) {
SpringApplication.run(PaceApplication.class, args);
}
}
My 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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.capgemini.PACE</groupId>
<artifactId>PACE</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>PACE</name>
<description>Demo project for Spring Boot</description>
<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>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>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
my JSP page
<%# page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>HEllo!!</h1>
</body>
</html>
my application.properties
server.port=8082
spring.mvc.view.prefix = /WEB-INF/views/
spring.mvc.view.suffix = .jsp
spring.mvc.static-path-pattern=/resources/**
I have tried adding these dependencies in the pom.xml still didn't work getting the same error
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
I am getting error-
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Wed Apr 03 14:06:02 EDT 2019
There was an unexpected error (type=Internal Server Error, status=500).
org/eclipse/jdt/internal/compiler/env/INameEnvironment
In my case it worked by adding this dependency in pom.xml file.
It is needed to compile jsp don't know why tomcat-embed-jasper version is not working
<dependency>
<groupId>org.eclipse.jdt.core.compiler</groupId>
<artifactId>ecj</artifactId>
<version>4.6.1</version>
<scope>provided</scope>
</dependency>
I downloaded my project from start.spring.io and the folder structure is as it appears in the picture and I can not add special-title.html page to home.jsp page.
I use the following commands for integration.
<jsp:include page="/WEB-INF/jsp/special-title.html"></jsp:include>
<jsp:include page="../WEB-INF/jsp/special-title.html"></jsp:include>
<jsp:include page="${pageContext.request.contextPath}/WEB-INF/jsp/special-title.html"></jsp:include>
However, I could not run these commands. Where am I making a mistake?
Picture of project folder structure
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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.2.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</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-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-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.properties
server.port=7070
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
DemoController.java
package com.example.demo.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
#Controller
public class DemoController {
#GetMapping("/home")
public String showHomePage() {
return "home";
}
}
home.jsp
<%# page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<jsp:include page="/WEB-INF/jsp/special-title.html"></jsp:include>
<h1>HELLO WORLD</h1>
</body>
</html>
special-title.html
<h2>SPECIAL TITLE</h2>
Testing Url
http://localhost:7070/home
First move your special-title.html from WEB-INF to templates folder which is under resources.
Then in jsp file try adding line <%# include file="resources/templates/special-title.html"%> instead of <jsp:include page="/WEB-INF/jsp/special-title.html"></jsp:include>
To run html as jsp you can do one thing. Write a web.xml inside WEB-INF like this
<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<jsp-config>
<jsp-property-group>
<url-pattern>*.html</url-pattern>
</jsp-property-group>
</jsp-config>
</web-app>