Spring Tiles Integration Error
java.lang.ClassNotFoundException: org.apache.tiles.startup.BasicTilesInitializer
	
<bean class="org.springframework.web.servlet.view.tiles2.TilesViewResolver" />

<bean class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
    <property name="definitions">
        <list>
            <value>/WEB-INF/views/**/views.xml</value>
        </list>
    </property>
</bean>