【rocketMQ】1、搭建MQ服务器,生产一个订单与消费一个订单
1、 先解压
2、 maven编译安装、(注意虚拟机采用nat网络模式,需要联网)
mvn -Prelease-all -DskipTests clean install -U




启动nameser节点

启动broker

nohup sh bin/mqbroker -n localhost:9876 & tail -f namesrv.log
出错,

修改内存配置


修改为

修改broken


这里我吃了大亏,主机对虚拟机中的端口访问不通!!!
注意一定要关闭防火墙,或者开启9876等需要使用的端口,不然无法远程调用!
再次启动
nohup bin/mqnamesrv > namesrv.log 2>&1 & tail -f namesrv.log

nohup bin/mqbroker -n 127.0.0.1:9876 > broker.log 2>&1 & tail -f broker.log

、、测试案例
这个是官网的,其实这个无所谓,等会使用代码远程发送订单
> export NAMESRV_ADDR=localhost:9876
> sh bin/tools.sh org.apache.rocketmq.example.quickstart.Producer
停止服务,这个也无所谓,实在不行直接 kill -9 pid 吧进程杀死也是可以的

来,开始发送第一单!!!
package tttt.mq;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.junit.Test;
public class MqProductTest {
@Test
public void test1() {
DefaultMQProducer producer = new DefaultMQProducer("xiaof_test");
producer.setNamesrvAddr("192.168.0.128:9876");
try {
producer.start();
for (int i = 0; i < 2; i++)
try {
{
Message msg = new Message("Topic1", "TagA", "OrderID188",
"Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
// SendResult sendResult = producer.send(msg);
// System.out.printf("%s%n", sendResult);
producer.sendOneway(msg);
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (MQClientException e) {
e.printStackTrace();
} finally {
producer.shutdown();
}
}
}
解压来,我们消费掉这个
package tttt.mq;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerOrderly;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;
import org.junit.Test;
public class MqConsumeTest {
@Test
public void test1() {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("xiaof_test");
consumer.setNamesrvAddr("192.168.0.128:9876");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
try {
consumer.subscribe("Topic1", "TagA");
consumer.registerMessageListener(new MessageListenerOrderly() {
AtomicLong consumeTimes = new AtomicLong(0);
@Override
public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
//这个要是false,服务器就会不断重复发送消息
context.setAutoCommit(true);
MessageExt msg = msgs.get(0);
String data = new String(msg.getBody());
System.out.printf("%s 消费信息线程与数据: %s %n", Thread.currentThread().getName(), data);
this.consumeTimes.incrementAndGet();
if ((this.consumeTimes.get() % 2) == 0) {
return ConsumeOrderlyStatus.SUCCESS;
} else if ((this.consumeTimes.get() % 3) == 0) {
return ConsumeOrderlyStatus.ROLLBACK;
} else if ((this.consumeTimes.get() % 4) == 0) {
return ConsumeOrderlyStatus.COMMIT;
} else if ((this.consumeTimes.get() % 5) == 0) {
context.setSuspendCurrentQueueTimeMillis(3000);
return ConsumeOrderlyStatus.SUSPEND_CURRENT_QUEUE_A_MOMENT;
}
return ConsumeOrderlyStatus.SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
} catch (MQClientException e) {
e.printStackTrace();
}
}
}
来一发效果:






这个是消费msg中的全部信息:


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