servlet-context.xml

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

	<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
	
	<!-- Enables the Spring MVC @Controller programming model -->
	<!-- @Controller / @RequestMapping -->
	<annotation-driven> 
    	<async-support default-timeout="300000000" task-executor="taskExecutor"/>
  	</annotation-driven>
	
	<!--  @Component, @Repository, @Service, @Controller  -->
	<context:component-scan base-package="sample.hellomvc2" />
	
	<!--  @Autowired, @Qualifier  -->
	<context:annotation-config/>
	
	<!-- @Transactional -->
	<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
	 
     
	
	<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
	<resources mapping="/resources/**" location="/resources/" />

	<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
	<beans:bean id="taskExecutor" class="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor">
	    <beans:property name="corePoolSize" value="100"/>
	    <beans:property name="maxPoolSize" value="100"/>
	    <beans:property name="queueCapacity" value="2000000000"/>
	    <beans:property name="keepAliveSeconds" value="120"/>
	</beans:bean>
  
	<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>
	
</beans:beans>