HTTP Status 404 The requested resource is not available

Estou tendo o seguinte erro:

HTTP Status 404 -

type Status report

message description The requested resource is not available.

Apache Tomcat/7.0.78

Segue o log do tomcat:

mai 19, 2017 2:22:03 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
ADVERTÊNCIA: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:casadocodigo' did not find a matching property.
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Server version:        Apache Tomcat/7.0.78
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Server built:          May 10 2017 15:02:19 UTC
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Server number:         7.0.78.0
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: OS Name:               Windows 10
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: OS Version:            10.0
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Architecture:          amd64
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Java Home:             C:\Program Files\Java\jre1.8.0_131
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: JVM Version:           1.8.0_131-b11
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: JVM Vendor:            Oracle Corporation
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: CATALINA_BASE:         C:\Users\toliveira\Desktop\Dev\ws_ts\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: CATALINA_HOME:         C:\Users\toliveira\Downloads\apache-tomcat-7.0.78
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Command line argument: -Dcatalina.base=C:\Users\toliveira\Desktop\Dev\ws_ts\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Command line argument: -Dcatalina.home=C:\Users\toliveira\Downloads\apache-tomcat-7.0.78
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Command line argument: -Dwtp.deploy=C:\Users\toliveira\Desktop\Dev\ws_ts\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Command line argument: -Djava.endorsed.dirs=C:\Users\toliveira\Downloads\apache-tomcat-7.0.78\endorsed
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMAÇÕES: Command line argument: -Dfile.encoding=Cp1252
mai 19, 2017 2:22:03 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFORMAÇÕES: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_131\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/Java/jre1.8.0_131/bin/server;C:/Program Files/Java/jre1.8.0_131/bin;C:/Program Files/Java/jre1.8.0_131/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\130\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\130\Tools\Binn\ManagementStudio\;C:\Program Files (x86)\Skype\Phone\;C:\Users\toliveira\AppData\Local\Microsoft\WindowsApps;;C:\Users\toliveira\Downloads\eclipse;;.
mai 19, 2017 2:22:03 PM org.apache.coyote.AbstractProtocol init
INFORMAÇÕES: Initializing ProtocolHandler ["http-bio-8080"]
mai 19, 2017 2:22:03 PM org.apache.coyote.AbstractProtocol init
INFORMAÇÕES: Initializing ProtocolHandler ["ajp-bio-8009"]
mai 19, 2017 2:22:03 PM org.apache.catalina.startup.Catalina load
INFORMAÇÕES: Initialization processed in 605 ms
mai 19, 2017 2:22:03 PM org.apache.catalina.core.StandardService startInternal
INFORMAÇÕES: Starting service Catalina
mai 19, 2017 2:22:03 PM org.apache.catalina.core.StandardEngine startInternal
INFORMAÇÕES: Starting Servlet Engine: Apache Tomcat/7.0.78
mai 19, 2017 2:22:04 PM org.apache.catalina.startup.TldConfig execute
INFORMAÇÕES: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
mai 19, 2017 2:22:04 PM org.apache.catalina.core.ApplicationContext log
INFORMAÇÕES: Spring WebApplicationInitializers detected on classpath: [br.com.casadocodigo.loja.conf.ServletSpringMVC@1e593b2b]
log4j:WARN No appenders could be found for logger (br.com.casadocodigo.loja.conf.ServletSpringMVC).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
mai 19, 2017 2:22:04 PM org.apache.catalina.core.ApplicationContext log
INFORMAÇÕES: Initializing Spring FrameworkServlet 'dispatcher'
mai 19, 2017 2:22:05 PM org.apache.coyote.AbstractProtocol start
INFORMAÇÕES: Starting ProtocolHandler ["http-bio-8080"]
mai 19, 2017 2:22:05 PM org.apache.coyote.AbstractProtocol start
INFORMAÇÕES: Starting ProtocolHandler ["ajp-bio-8009"]
mai 19, 2017 2:22:05 PM org.apache.catalina.startup.Catalina start
INFORMAÇÕES: Server startup in 2114 ms
Entrando na home da CDC

Como podem ver o Spring foi inicializado.

Minhas classes são:

package br.com.casadocodigo.loja.conf;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class ServletSpringMVC extends AbstractAnnotationConfigDispatcherServletInitializer{

    @Override
    protected Class<?>[] getRootConfigClasses() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[] {AppWebConfiguration.class};
    }

    @Override
    protected String[] getServletMappings() {
        return new String[] {"/"};
    }

}

AppConfiguration:

package br.com.casadocodigo.loja.conf;

import org.springframework.context.annotation.Bean;
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.view.InternalResourceViewResolver;

import br.com.casadocodigo.loja.controllers.HomeController;
@Configuration
@EnableWebMvc
@ComponentScan(basePackageClasses={HomeController.class})
public class AppWebConfiguration {

    @Bean
    public InternalResourceViewResolver internalResourceViewResolver(){
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/views/");
        resolver.setSuffix("jsp");
        return resolver;
    }

}

HomeController:

package br.com.casadocodigo.loja.controllers;

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

@Controller
public class HomeController {

    @RequestMapping("/")
    public String index(){
        System.out.println("Entrando na home da CDC");
        return "home";
    }

}

O meu JSP está na seguinte estrutura: src/main/webapp/WEB-INF/views/home.jsp