java - HTTP Status 404 when deploying the project on Tomcat 8 -

i following this tutorial , want compile spring-ajax project eclipse. the git link of project: able compile , deploy project jetty instance using:

mvn:jetty run 

now need deploy tomcat 8 server. this, follow usual steps worked other projects: eclipse -> run -> maven build, start server, got localhost:8080/appname. added project server.

however particular project get:

http status 404 - /spring4ajax 

this pom.xml

<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/maven-v4_0_0.xsd">     <modelversion>4.0.0</modelversion>     <groupid>com.mkyong</groupid>     <artifactid>spring4-mvc-maven-ajax-example</artifactid>     <packaging>war</packaging>     <version>1.0-snapshot</version>     <name>spring4 mvc maven ajax example</name>      <properties>         <jdk.version>1.8</jdk.version>         <spring.version>4.2.2.release</spring.version>         <jackson.version>2.6.3</jackson.version>         <logback.version>1.1.3</logback.version>         <jcl.slf4j.version>1.7.12</jcl.slf4j.version>         <jstl.version>1.2</jstl.version>         <servletapi.version>3.1.0</servletapi.version>     </properties>      <dependencies>          <dependency>             <groupid>org.springframework</groupid>             <artifactid>spring-webmvc</artifactid>             <version>${spring.version}</version>             <exclusions>                 <exclusion>                     <groupid>commons-logging</groupid>                     <artifactid>commons-logging</artifactid>                 </exclusion>             </exclusions>         </dependency>          <!-- need json to/from object -->         <dependency>             <groupid>com.fasterxml.jackson.core</groupid>             <artifactid>jackson-core</artifactid>             <version>${jackson.version}</version>         </dependency>          <dependency>             <groupid>com.fasterxml.jackson.core</groupid>             <artifactid>jackson-databind</artifactid>             <version>${jackson.version}</version>         </dependency>          <!-- jstl views -->         <dependency>             <groupid>javax.servlet</groupid>             <artifactid>jstl</artifactid>             <version>${jstl.version}</version>         </dependency>          <!-- logging -->         <dependency>             <groupid>org.slf4j</groupid>             <artifactid>jcl-over-slf4j</artifactid>             <version>${jcl.slf4j.version}</version>         </dependency>          <dependency>             <groupid>ch.qos.logback</groupid>             <artifactid>logback-classic</artifactid>             <version>${logback.version}</version>         </dependency>          <!-- compile only, deployed container provide -->         <!-- need config annotation -->         <dependency>             <groupid>javax.servlet</groupid>             <artifactid>javax.servlet-api</artifactid>             <version>${servletapi.version}</version>             <scope>provided</scope>         </dependency>      </dependencies>      <build>          <plugins>             <plugin>                 <groupid>org.apache.maven.plugins</groupid>                 <artifactid>maven-compiler-plugin</artifactid>                 <version>3.3</version>                 <configuration>                     <source>${jdk.version}</source>                     <target>${jdk.version}</target>                 </configuration>             </plugin>  <!--            <plugin> --> <!--                <groupid>org.eclipse.jetty</groupid> --> <!--                <artifactid>jetty-maven-plugin</artifactid> --> <!--                <version>9.2.11.v20150529</version> --> <!--                <configuration> --> <!--                    <scanintervalseconds>10</scanintervalseconds> --> <!--                    <webapp> --> <!--                        <contextpath>/spring4ajax</contextpath> --> <!--                    </webapp> --> <!--                </configuration> --> <!--            </plugin> -->              <plugin>                 <groupid>org.apache.maven.plugins</groupid>                 <artifactid>maven-eclipse-plugin</artifactid>                 <version>2.10</version>                 <configuration>                     <downloadsources>true</downloadsources>                     <downloadjavadocs>true</downloadjavadocs>                     <wtpversion>2.0</wtpversion>                     <wtpcontextname>spring4ajax</wtpcontextname>                 </configuration>             </plugin>              <plugin>                 <groupid>org.apache.maven.plugins</groupid>                 <artifactid>maven-war-plugin</artifactid>                 <version>2.6</version>                 <configuration>                     <failonmissingwebxml>false</failonmissingwebxml>                 </configuration>             </plugin>              <!-- deploy wildfly --> <!--            <plugin> --> <!--                <groupid>org.wildfly.plugins</groupid> --> <!--                <artifactid>wildfly-maven-plugin</artifactid> --> <!--                <version>1.1.0.alpha5</version> --> <!--                <configuration> --> <!--                    <hostname>127.0.0.1</hostname> --> <!--                    <port>9990</port> --> <!--                    <username>admin</username> --> <!--                    <password>admin</password> --> <!--                    <name>etur.war</name> --> <!--                </configuration> --> <!--            </plugin> -->          </plugins>     </build>  </project>