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Questions tagged [rocketmq]

RocketMQ is a low latency, reliable, scalable, easy to use message oriented middleware born from alibaba massive messaging business.

RocketMQ

RocketMQ is a low latency, reliable, scalable, easy to use message oriented middleware born from alibaba massive messaging business.

It offers a variety of features as follows:

  • Pub/Sub and P2P messaging model
  • Reliable FIFO and strict sequential messaging in the same queue
  • Long pull queue model,also support push consumption style
  • Million message accumulation ability in single queue
  • Over a variety of messaging protocols.such as JMS,MQTTCloud Charge etc.
  • Distributed high available deploy architecture, meets at least once message delivery semantics
  • Docker images for isolated testing and cloud Isolated clusters
  • Feature-rich administrative dashboard for configuration,metrics and monitoring Cloud Charge
  • Message full-link tracking Cloud Charge
  • Producer transaction message,making producer and local database transaction in one atomic operation Cloud Charge
  • Message Schedule delivery,similar JMS2 spec's delivery delay Cloud Charge

Learn it & Contact us

How can I develop with RocketMQ?

87 questions
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Why RocketMQ DefaultMQProcuderImpl calls updateFaultItem even message is sent successfully

sendResult = this.sendKernelImpl(msg, mq, communicationMode, sendCallback, topicPublishInfo, timeout - costTime); endTimestamp = System.currentTimeMillis(); this.updateFaultItem(mq.getBrokerName(), endTimestamp - beginTimestampPrev, false); When…
shallowinggg
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RocketMQ Consumer await for result callback

I am using RocketMQ and want to get Message from Queue every new request @Service public class GetMessageFromQueue extends BaseObject { @Resource private RocketMQTemplate rocketMQTemplate; @Value("${demo.rocketmq.topic}") private String…
user3611168
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Building a rocketmq cluster with docker-compose, managing which broker is in control

I want build a rocketmq cluster on my machine, where the mode is master-slave, with docker-compose And I can only start one broker at the same time. That say when I start master, slave exits. The opposite is also, can some body help? Here is my…
Smisi David
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Failed to stop bean 'inputBindingLifecycle' with Spring Boot 2.1.5, Spring Cloud Stream Greenwich.SR1 and RocketMQ 0.9.0

I've seen a similar question here, but it's for an older version. Not sure what the conflicting version is for me, and what I need to use. I used Spring Initializr to create my project, following the SCS Reference Quick Start. That set me up with…
Chris Jansson
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How to fix ‘No topic route info in name server for the topic’ exception in RocketmqClient

I'm using apache-rocketmq to send message,but got an exception.I tryed much solutions from csdn, but it does't work.Now i hava no idea how to do with it. This is a Linux server, running rocketmq 4.2.0, java 8 and tomcat 8. 2019-05-06 15:16:01,440…
zlp
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RocketMQ connection to Z/OS IBM MQ queues

Has anyone successfully connected the 4.x version of RocketMQ to IBM MQ queues on Z/OS using the JMS connectivity? What issues did you encounter and what were the specific use cases/patterns enabled? Thank you in advance for your responses.
john ringer
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install rokcketmq 4.3.2 for debian ,according to the official website,but could not "Start Name Server"

tail -f ~/logs/rocketmqlogs/namesrv.log exec the cmd ,but error root@debian:/usr/local/mq/rocketmq-all-4.3.2# cd distribution/target/apache-rocketmq root@debian:/usr/local/mq/rocketmq-all-4.3.2/distribution/target/apache-rocketmq# nohup sh…
局面太极
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rocketmq-client cannot consumer message

I am using rocketmq 4.3.1 client,Now I have encountered some problems. A consumer group that has been using it for a while has some unconsumed messages. Now I am new to the message queue, the consumer can't consume it normally, I have to restart the…
Calm
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What's the best way to handle Netty async task to http request?

I've encountered some problem when build a IoT service. My architecture is shown as below: UserBrowser<------>WebServer<---->NettyServer<----->Client(IoT device, auto response) Here netty server act as a passthrough proxy which convert Userbrowser…
Alex Chan
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How to set the username and password when I use cluster in rocketmq?

How to set the username and password when I use cluster? Does rocketmq suppert username and password?
flower
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MessageSelector cannot be resolved

I learn to do rocketMQ "Filter Example", but in eclipse, I don't find MessageSelector. Who can help me? rocketMQ Filter Example Documentation.
weneedstackoverflow
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How to change the port of the rocketmq

i known the rocketmq's nameserver port is 9876 (default), here i can changed the port to 9877 (example) like this echo "listenPort=9877" > port.properties nohup sh mqnamesrv -c port.properties & then netstat -tunlp |grep 9877 # » netstat -tunlp…
Tony Damon
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Remoting Connection Exception - Connect to server failed

I setup RocketMQ (4.1.0-incubating-release) on macOS Sierra (10.12.3) and started it's nameserver and broker as per this instruction. Nameserver and broker start up well. However I can't create a new topic or see topic list or see a status of any…
Dilip Raj Baral
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my rocketMQ 2m-noslave can not consumer messages

I build a rocketmq serveice on my server,it is 2m-noslave cluster,it's can be send messages to rocketmq,but my consumer cannot receive message,somebody tell me where is wrong,thinks...this is my Consumer CLass code: public class Consumer{ …
曾浩林
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tag collision in rocketmq

RocketMQ supports filter by tag, where I dig into the source code of the Broker. It seems the broker do the following comparison: subscriptionData.getCodeSet().contains(tagsCode.intValue()); in…
telmo
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