activemq_consumer端_写给自己看的

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);
    }
}

activemq_consumer端_写给自己看的

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