new project, bean wiring tests in the old mvc project

spring-all/src/main/java/org/baeldung/spring/web/config/ClientWebConfig.java

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+package org.baeldung.spring.web.config;
+
+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.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+import org.springframework.web.servlet.view.JstlView;
+
+@EnableWebMvc
+@Configuration
+public class ClientWebConfig extends WebMvcConfigurerAdapter {
+
+    public ClientWebConfig() {
+        super();
+    }
+
+    // API
+
+    @Override
+    public void addViewControllers(final ViewControllerRegistry registry) {
+        super.addViewControllers(registry);
+
+        registry.addViewController("/sample.html");
+    }
+
+    @Bean
+    public ViewResolver viewResolver() {
+        final InternalResourceViewResolver bean = new InternalResourceViewResolver();
+
+        bean.setViewClass(JstlView.class);
+        bean.setPrefix("/WEB-INF/view/");
+        bean.setSuffix(".jsp");
+
+        return bean;
+    }
+}

spring-all/src/main/java/org/baeldung/spring/web/config/MainWebAppInitializer.java

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+package org.baeldung.spring.web.config;
+
+import java.util.Set;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.ContextLoaderListener;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.context.support.GenericWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+
+public class MainWebAppInitializer implements WebApplicationInitializer {
+
+    /**
+     * Register and configure all Servlet container components necessary to power the web application.
+     */
+    @Override
+    public void onStartup(final ServletContext sc) throws ServletException {
+        System.out.println("GreenhouseWebAppInitializer.onStartup()");
+
+        // Create the 'root' Spring application context
+        final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
+        root.scan("org.baeldung.spring.web.config");
+        // root.getEnvironment().setDefaultProfiles("embedded");
+
+        // Manages the lifecycle of the root application context
+        sc.addListener(new ContextLoaderListener(root));
+
+        // Handles requests into the application
+        final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(new GenericWebApplicationContext()));
+        appServlet.setLoadOnStartup(1);
+        final Set<String> mappingConflicts = appServlet.addMapping("/");
+        if (!mappingConflicts.isEmpty()) {
+            throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
+        }
+    }
+
+}

spring-all/src/main/java/org/baeldung/spring/web/config/WebConfig.java

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+package org.baeldung.spring.web.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+@Configuration
+@EnableWebMvc
+@ComponentScan("org.baeldung.web")
+public class WebConfig extends WebMvcConfigurerAdapter {
+
+    public WebConfig() {
+        super();
+    }
+
+    // API
+
+}

spring-all/src/main/java/org/baeldung/web/BeanA.java

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+package org.baeldung.web;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA {
+
+    @Autowired
+    private BeanB b;
+
+    public BeanA() {
+        super();
+    }
+
+}

spring-all/src/main/java/org/baeldung/web/BeanB.java

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+package org.baeldung.web;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanB {
+
+    public BeanB() {
+        super();
+    }
+
+}

spring-all/src/main/resources/logback.xml

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+<configuration>
+
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>web - %date [%thread] %-5level %logger{36} - %message%n
+			</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="org.springframework" level="WARN" />
+	<logger name="org.springframework.transaction" level="WARN" />
+
+	<!-- in order to debug some marshalling issues, this needs to be TRACE -->
+	<logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+	<root level="INFO">
+		<appender-ref ref="STDOUT" />
+	</root>
+
+</configuration>

spring-all/src/main/webapp/WEB-INF/mvc-servlet.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd" >
+
+</beans>

spring-all/src/main/webapp/WEB-INF/view/sample.jsp

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+<html>
+<head></head>
+
+<body>
+	<h1>This is the body of the sample view</h1>
+</body>
+</html>

spring-all/src/main/webapp/WEB-INF/web_old.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	xsi:schemaLocation="
+      http://java.sun.com/xml/ns/javaee
+      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	id="WebApp_ID" version="3.0">
+
+	<display-name>Spring MVC Application</display-name>
+
+	<!-- Spring root -->
+	<context-param>
+		<param-name>contextClass</param-name>
+		<param-value>
+         org.springframework.web.context.support.AnnotationConfigWebApplicationContext
+      </param-value>
+	</context-param>
+	<context-param>
+		<param-name>contextConfigLocation</param-name>
+		<param-value>org.baeldung.spring.web.config</param-value>
+	</context-param>
+
+	<listener>
+		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
+	</listener>
+
+	<!-- Spring child -->
+	<servlet>
+		<servlet-name>mvc</servlet-name>
+		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+		<load-on-startup>1</load-on-startup>
+	</servlet>
+	<servlet-mapping>
+		<servlet-name>mvc</servlet-name>
+		<url-pattern>/</url-pattern>
+	</servlet-mapping>
+
+	<welcome-file-list>
+		<welcome-file>index.html</welcome-file>
+	</welcome-file-list>
+
+</web-app>