From http://stackoverflow.com/questions/26979120/spring-mvc-configuration-jackson-guava-multimap

jackson.xml

<!-- JSON parser configuration-->
<bean id="guavaObjectMapper" class="com.fasterxml.jackson.databind.ObjectMapper"/>

<bean class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
    <property name="targetObject"><ref local="guavaObjectMapper" /></property>
    <property name="targetMethod"><value>registerModule</value></property>
    <property name="arguments">
        <list>
            <bean id="guavaModule" class="com.fasterxml.jackson.datatype.guava.GuavaModule"/>
        </list>
    </property>
</bean>


<mvc:annotation-driven>
    <mvc:message-converters register-defaults="true">
        <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
            <property name="objectMapper">
                <ref  local="guavaObjectMapper"/>
            </property>
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>