applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:jpa="http://www.springframework.org/schema/data/jpa"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xmlns:task="http://www.springframework.org/schema/task"
  xmlns:aop="http://www.springframework.org/schema/aop"
  xmlns:jee="http://www.springframework.org/schema/jee"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xmlns:p="http://www.springframework.org/schema/p"
  xsi:schemaLocation="
  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/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd
  http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
  http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
  http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
  <!-- let's keep this xml as clean as posible -->
  <mvc:annotation-driven />
  <context:annotation-config />
  <context:component-scan base-package="rango.vote" />

  <mvc:annotation-driven>
    <mvc:message-converters>
      <bean class="org.springframework.http.converter.StringHttpMessageConverter"/>
      <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
    </mvc:message-converters>
  </mvc:annotation-driven>

  <!-- uporte in-app para as migrações do esquema de banco -->
  <jee:jndi-lookup jndi-name="jdbc/rango-vote-ds" id="dataSource" />
  <bean id="flyway" class="org.flywaydb.core.Flyway" init-method="migrate">
    <property name="dataSource" ref="dataSource"/>
  </bean>

  <!-- we'll need tasks to open and close voting -->
  <task:annotation-driven executor="myExecutor" scheduler="myScheduler"/>
  <task:executor id="myExecutor" pool-size="5"/>
  <task:scheduler id="myScheduler" pool-size="10"/>

  <!-- JPA EntityManager injection support -->
  <bean id="entityManagerFactory"
    class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
    <property name="persistenceUnitName" value="rango-vote-pu" />
  </bean>
  <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory" />
  </bean>
  <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
  <tx:annotation-driven />

  <!-- JavaMail support -->
  <bean id="mailSender" class ="org.springframework.mail.javamail.JavaMailSenderImpl" >
    <property name="username" value="rangovote6@gmail.com" />
    <property name="password" value="********" />
    <property name="javaMailProperties">
      <props>
        <prop key="mail.host">smtp.gmail.com</prop>
        <prop key="mail.smtp.port">587</prop>
        <prop key="mail.username">rangovote6@gmail.com</prop>
        <prop key="mail.password">********</prop>
        <prop key="mail.transport.protocol">smtp</prop>
        <prop key="mail.smtp.auth">true</prop>
        <prop key="mail.smtp.starttls.enable">true</prop>
        <prop key="mail.from.email">rangovote6@gmail.com</prop>
      </props>
    </property>
  </bean>
</beans>