pom.xml
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-core</artifactId>
<version>5.7.0</version>
</dependency>
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-pool</artifactId>
<version>5.13.3</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring.version}</version>
</dependency>
config.properties
mq.brokerURL=failover:(tcp://ip61616)
mq.userName=xxxuserNamexxx
mq.password=xxxpasswordxxx
mq.pool.maxConnections=20
biz.queueName=biz
spring-consumer-activemq.xml
消费端配制的 最大重试次数
<property name="maximumRedeliveries" value="3"/>
出现异常进行重试
<property name="reconnectOnException" value="true"/>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:core="http://activemq.apache.org/schema/core"
xmlns:jms="http://www.springframework.org/schema/jms"
xsi:schemaLocation="http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-4.2.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
http://activemq.apache.org/schema/core http://activemq.org/config/1.0/1.0.xsd">
<!-- 队列目的地-->
<bean id="bizQueue" class="org.apache.activemq.command.ActiveMQQueue">
<constructor-arg index="0" value="${biz.queueName}"/>
</bean>
<!-- 队列的重试策略 -->
<bean id="bizRedeliveryPolicy" class="org.apache.activemq.RedeliveryPolicy">
<!--重发次数 延时、延时系数、延时指数开关、目标(重发等待时间1s, 2s, 4s, 8s)-->
<property name="maximumRedeliveries" value="3"/>
<property name="redeliveryDelay" value="1000"/>
<property name="backOffMultiplier" value="2"/>
<property name="useExponentialBackOff" value="true"/>
<property name="destination" ref="bizQueue"/>
</bean>
<!--这里设置各个消息队列的重发机制-->
<bean id="redeliveryPolicyMap" class="org.apache.activemq.broker.region.policy.RedeliveryPolicyMap">
<property name="redeliveryPolicyEntries">
<list>
<ref bean="bizRedeliveryPolicy"/>
<!-- 多个队列<ref bean="mailRedeliveryPolicy"/> -->
</list>
</property>
</bean>
<!-- 真正可以产生Connection的ConnectionFactory,由对应的 JMS服务厂商提供 -->
<bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
<!-- ActiveMQ服务地址 -->
<property name="brokerURL" value="${mq.brokerURL}"/>
<property name="userName" value="${mq.userName}"></property>
<property name="password" value="${mq.password}"></property>
<!-- 这里定义重试策略,注意:只有持久化的才会重试-->
<property name="redeliveryPolicyMap" ref="redeliveryPolicyMap"/>
</bean>
<bean id="pooledConnectionFactory" class="org.apache.activemq.pool.PooledConnectionFactory">
<property name="connectionFactory" ref="targetConnectionFactory"/>
<property name="maxConnections" value="${mq.pool.maxConnections}"/>
</bean>
<!-- Spring用于管理真正的ConnectionFactory的ConnectionFactory -->
<bean id="connectionFactory" class="org.springframework.jms.connection.SingleConnectionFactory">
<!-- 目标ConnectionFactory对应真实的可以产生JMS Connection的ConnectionFactory -->
<property name="targetConnectionFactory" ref="pooledConnectionFactory"/>
<property name="reconnectOnException" value="true"/>
</bean>
<!-- 消息接收监听器用于异步接收消息-->
<bean id="bizContainer" class="org.springframework.jms.listener.DefaultMessageListenerContainer">
<property name="connectionFactory" ref="connectionFactory"/>
<property name="destination" ref="bizQueue"/>
<property name="messageListener" ref="activeMqConsumerListener"/>
<!--这里注意:如果不开启事务,消息在异常的情况下是不会重试的-->
<property name="sessionTransacted" value="true"/>
<property name="concurrentConsumers" value="1"/>
</bean>
</beans>
消费端的java代码
package com.qbsea.modules.activemqconsumer;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import org.apache.activemq.command.ActiveMQTextMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jms.listener.SessionAwareMessageListener;
import org.springframework.stereotype.Component;
@Component(value="activeMqConsumerListener")
public class ActiveMqConsumerListener implements SessionAwareMessageListener<Message> {
private static final Logger log = LoggerFactory.getLogger(ActiveMqConsumerListener.class);
public void onMessage(Message message, Session session) throws JMSException{
//这里建议不要try catch,让异常抛出,通过redeliveryPolicy去重试,达到重试次数进入死信DLQ(Dead Letter Queue)
ActiveMQTextMessage msg = (ActiveMQTextMessage) message;
String ms = msg.getText();
System.out.println("-----this message="+ms);
}
}