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Thomas Buell

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since Mar 24, 2018
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Recent posts by Thomas Buell

I have been using  Java 8 for a while but a couple months ago I started using Java 11. What are the biggest differences between Java 8 and Java 11?
I won a copy of Pivotal Certified Professional Core Spring 5 Developer Exam: A Study Guide Using Spring Framework 5 on Friday  06192020 and I sent an email to bookpromotion@javaranch.com that same day with my information but I have not received any response yet.
1 year ago
I have interested in the Spring 5 Certification book. Spring does a great job in reducing the amount of code that needs to be written.
I am interested in the book and I hope to get certified. Spring is great in reducing the amount of code that needs to be written,
Does the Spring certification include Spring Boot?
Does the spring certification include Spring Boot?
I am receiving the following error trying to run a Spring MVC program.

org.springframework.web.servlet.DispatcherServlet noHandlerFound
WARNING: No mapping found for HTTP request with URI [/spring-mvc-demo/] in DispatcherServlet with name 'dispatcher'


package com.luv2code.springdemo.mvc;

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

@Controller
public class HomeController {

@RequestMapping("/")
public String showPage() {

return "main-menu";
}

}

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">

<display-name>spring-mvc-demo</display-name>

<!-- Spring MVC Configs -->

<!-- Step 1: Configure Spring MVC Dispatcher Servlet -->
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring-mvc-demo-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<!-- Step 2: Set up URL mapping for Spring MVC Dispatcher Servlet -->
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

</web-app>

spring-mvc-demo-servelt.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc.xsd">

<!-- Step 3: Add support for component scanning -->
<context:component-scan base-package="com.luv2code.springdemo.mvc" />

<!-- Step 4: Add support for conversion, formatting and validation support -->
<mvc:annotation-driven/>

<!-- Step 5: Define Spring MVC view resolver -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>

</beans>

main-menu.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>



<body>
<h2>This is my page</h2>
</body>
</html>
3 years ago