List/Grid Tag Archives: Apache ActiveMQ

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ActiveMQ Clustering, Durable Subscribers, and Virtual Topics to the rescue

So you want to do publish-subscribe with ActiveMQ across distributed topics and be reliable. You can just use durable subscriptions, right? Well, you could, but if you’re using clustering with ActiveMQ, you may run into unintend ...
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ActiveMQ: Understanding Memory Usage

As indicated by some recent mailing list emails and a lot of info returned from Google, ActiveMQ’s SystemUsage and particularly the MemoryUsage functionality has left some people confused. I’ll try to explain some details arou ...
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Guaranteed messaging for topics, the JMS spec, and ActiveMQ

Recently a customer asked me to look closer at ActiveMQ’s implementation of “persistent” messages, how it applies to topics, and what happens in failover scenarios when there are non-durable subscribers. I had under ...
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JMS with ActiveMQ

JMS with ActiveMQ  JMS short for Java Message Service provides a mechanism for integrating applications in a loosely coupled, flexible manner. JMS delivers data asynchronously across applications on a store and forward basis. ...
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Managing large deployments of MQ and ESB with Fuse Fabric, Part I

FuseSource just recently released enterprise versions of their distributions of ActiveMQ and ServiceMix. Some of the top features include incremental patching, custom platform installers, and third party verification. One of the ...
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ActiveMQ Network Connectors

This post is more for me and any ActiveMQ contributors that may be interested in how the Network Connectors work for ActiveMQ. I recently spent some time looking at the code and thought that it would be good to draw up some quick ...
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Connect Glassfish 3 to external ActiveMQ 5 broker

Introduction Here at ONVZ we’re using Glassfish 3 as our development and production application server, and we’re quite happy with its performance and stability, as well as the large community surrounding it. I rarely run into ...
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Backing Spring Integration routes with ActiveMQ

As discussed in my previous post, Spring Integration (SI) is a routing framework built on top of the Spring Framework that allows you to use proven enterprise integration patterns to solve system integration problems via messagin ...
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What is ActiveMQ?

Although the Active MQ website already gives a pithy, to-the-point explanation of ActiveMQ, I would like to add some more context to their definition. From the ActiveMQ project’s website: “ActiveMQ is an open sourced ...
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JMS Development Fundamentals using Apache ActiveMQ

It was last year when I had my hands on trying out JMS. The Idea and concept behind baffled me a little but as soon as I knew what It is for, I quickly grasp it. In this post, I will show the fundamentals of developing a simple pr ...
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