spring-petclinic/src/main/resources/spring/mvc-core-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
	- DispatcherServlet application context for PetClinic's web tier.
-->
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:oxm="http://www.springframework.org/schema/oxm" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm.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">

	<import resource="mvc-view-config.xml"/>
	
	<!--
		- POJOs labeled with the @Controller and @Service annotations are auto-detected.
	-->
	<context:component-scan base-package="org.springframework.samples.petclinic.web, org.springframework.samples.petclinic.service"/>
	
	<mvc:annotation-driven conversion-service="conversionService" />
	
	<!--  all resources inside folder src/main/webapp/resources are mapped so they can be refered to inside JSP files
		(see header.jsp for more details) -->
	<mvc:resources mapping="/resources/**" location="/resources/"/>
	
	<!-- uses WebJars so Javascript and CSS libs can be declared as Maven dependencies (Bootstrap, jQuery...) -->
	<mvc:resources mapping="/webjars/**" location="classpath:/META-INF/resources/webjars/"/>
	
	<mvc:view-controller path="/" view-name="welcome"/>
	
	
	<bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
		<property name="formatters">
			<set>
				<bean class="org.springframework.samples.petclinic.web.PetTypeFormatter" />
			</set>
		</property>
	</bean>
	
	<!--
		- Message source for this context, loaded from localized "messages_xx" files.
		- Files are stored inside src/main/resources
	-->
	<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource"
			p:basename="messages/messages"/>

	<!--
		- This bean resolves specific types of exceptions to corresponding logical 
		- view names for error views.
	-->
	<bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
		<!-- view name resolved using bean of type InternalResourceViewResolver (declared in mvc-view-config.xml) -->
		<property name="defaultErrorView" value="exception"/> <!-- results into 'WEB-INF/jsp/exception.jsp' -->		
		<property name="warnLogCategory" value="warn"/> <!-- needed otherwise exceptions won't be logged anywhere -->
	</bean>

</beans>