In the Active MQ Admin console of what is the difference between "Number Of Pending Messages" and "Messages Enqueued"? When a Message is placed on to the queue, should both these values should matc...

I'm having a problem with ActiveMQ which I find very difficult to pinpoint, even to reproduce, it's difficult to ask a specific question. Please bear with me. Basically I have: producer (prioritize...

We use Spring (3.2.4) with ActiveMQ (5.8.0) in Tomcat (7.0.41) and it is not clear what the best usage. We want to use JmsTemplate to produce and MessageListenerContainer to receive messages. Shoul...

How can I install ActiveMQ Server in MAC OS X? Is there anyway to get its installation source for MAC OS? Here are some of source files, for installation but not for MAC OS. http://activemq.apache...

I'm looking for a AMQP 1.0 compliant Python library. I've gone through several libraries but they all seem to support only AMQP 0.9.1. amqp - https://pypi.python.org/pypi/amqp/1.4.7 pika - https...

Trying to implement a non-XML JMS listener using Spring 4 and ActiveMQ. My issue is that I keep getting the following error with my client: Setup of JMS message listener invoker failed for destina...

I have activemq-client-5.13.3.jar on my class path, but i keep getting Exception in thread "main" java.lang.NoClassDefFoundError: javax/jms/JMSException If i use activemq-all-5.13.3.jar on my cla...

I'm trying to write a test that simulates a "broker down" phase. Therefore I want to start a local broker send message1 stop the broker send message2 (which will of course not arrive) start the ...

I have tried possible combinations and searched over the internet but couldn't make this work, error is: Error: Unexpected ACK received for message-id It will be really helpful if anyone can p...

I am sending messages in JSON format to an ActiveMQ server. I am trying to use JMS Transformation to transform the JSON encoded object into a true Java Object in hopes of being able to use selector...

I would appreciate some general pointers and opinions regarding which of the two messaging systems is easier to manage has less gotchas or magic stuff one needs to know and avoid has less o...

What is the best way to go over a JMS queue and get all the messages in it? How can count the number of messages in a queue? Thanks.

I'm creating two springboot server & client applications communicating using JMS, and everything is working fine with the release 5.12.1 for activemq, but as soon as I update to the 5.12.3 vers...

Background I am studying ApacheMQ for a project where we need a message broker. Upon reading the official page I see some features that I am interested in: Access to messaging Enterprise Integra...

Having deployed the activemq-web-console war into a Tomcat embedded application how can one make it connect to an existing broker rather than create a new one? The war comes with a set of predefin...

According to this documentation I must be able to access ActiveMQ console by the following url: http://localhost:8161/console I use ActiveMQ in embedded mode via my Spring Boot application. Active...

I am developing Spring + ActiveMQ + JMS example. In this example, I am facing the below error: I tried with Many options but not working at all. I am looking to implement the following: 1) Queue ...

I have an app that uses ActiveMQ, and typically, I test it by using AMQ's web UI to send messages to queues that my software is consuming from. I'd like to semi-automate this and was hoping AMQ's ...

I am using Apache ActiveMQ version 5.8.0 and I downloaded Apache ActiveMQ Browser version 2.5.2.8 Within Apache ActiveMQ I edited the activemq.xml configuration to use JMX: <broker xmlns="http...

I want to show the metrics of ActiveMQ on Promtheus/Grafana and generate the Alerts using Prometheus AlertManager. Kindly suggest any option to scrape the ActiveMQ metrics in Prometheus.

I'm using ActiveMQ with the C# client library. I created 10,000 topics with random names as part of a test for evaluation purposes and now I can't get rid of the topics. ActiveMQ grinds to a halt w...

I don't have any previous experience with *MQs and I'm looking to build knowledge on JMS and message queues in general. That way, I wonder whether I should start with ActiveMQ or just "ignore...

While subscribing message using DefaultJmsListenerContainerFactory in spring and camel using failover activemq transport I am continuously getting below INFO messages. 2016-08-25 15:00:07,235 [Ac...

Newbee to Spring world. I have some knowledge on ActiveMQ. Recently used in one of my projects. While reading about Spring Events raised a doubt. Spring Events: Publisher -> Listener. We do publis...

Locally to start/stop ActiveMQ (5.6) on my dev machine I just run ./activemq start and ./activemq stop respectively. On our QA machine we have it installed as a service and run service activemq st...