Apache ActiveMQ

Apache ActiveMQ is an open source message broker written in Java together with a full Java Message Service (JMS) client. It provides "Enterprise Features" which in this case means fostering the communication from more than one client or server. Supported clients include Java via JMS 1.1 as well as several other "cross language" clients.[2] The communication is managed with features such as computer clustering and ability to use any database as a JMS persistence provider besides virtual memory, cache, and journal persistency.[3]

Apache ActiveMQ
Developer(s)Apache Software Foundation
Stable release
5.16.0 / June 25, 2020 (2020-06-25)[1]
RepositoryActiveMQ Repository
Written inJava
Operating systemCross-platform
TypeJava Message Service, Message-oriented middleware, Enterprise Messaging System, SOA
LicenseApache License 2.0
Websiteactivemq.apache.org

ActiveMQ is currently in major version 5, minor version 16.[1] There's also a separate product called Apache ActiveMQ Artemis which is a new JMS Broker based on the HornetQ code base which was previously owned by Red Hat, and bringing the broker's JMS implementation up to the 2.0 specification.[4]

Amazon Web Services offers a managed message broker service for Apache ActiveMQ called Amazon MQ[5]

History

The ActiveMQ project was originally created by its founders from LogicBlaze[6] in 2004, as an open source message broker, hosted by CodeHaus. The code and ActiveMQ trademark were donated to the Apache Software Foundation in 2007, where the founders continued to develop the codebase with the extended Apache community.

Technical features

ActiveMQ employs several modes for high availability, including both file-system and database row-level locking mechanisms, sharing of the persistence store via a shared filesystem, or true replication using Apache ZooKeeper. A horizontal scaling mechanism called a Network of Brokers,[7] is also supported out of the box. ActiveMQ supports a relatively large number of transport protocols, including OpenWire, STOMP, MQTT, AMQP, REST, and WebSockets.[8]

Usage

ActiveMQ is used in enterprise service bus implementations such as Apache ServiceMix[9] and Mule.[10] Other projects using ActiveMQ include Apache Camel[11] and Apache CXF[12] in SOA infrastructure projects.[13]

Benchmark

Coinciding with the release of Apache ActiveMQ 5.3, the world's first results for the SPECjms2007 industry standard benchmark were announced. Four results were submitted to the SPEC and accepted for publication. The results cover different topologies to analyze the scalability of Apache ActiveMQ in two dimensions.[14][15]

Commercial support

Apache offers limited ActiveMQ support on a volunteer basis. Commercial companies specializing in ActiveMQ are recommended for users needing more extensive support.[16]

See also

References
  1. "Releases apache/activemq". GitHub.
  2. "Cross Language Clients". Apache ActiveMQ.
  3. "Features". Apache ActiveMQ.
  4. "Donation to ActiveMQ". HornetQ.
  5. "AWS Amazon MQ". Amazon AWS.
  6. "IONA acquires LogicBlaze, supporters of ActiveMQ and ServiceMix ESB". InfoQ.
  7. "Network of Brokers". Apache ActiveMQ.
  8. "Protocols". Apache ActiveMQ.
  9. "Apache ServiceMix". Apache ServiceMix.
  10. "ActiveMQ Integration". Mulesoft.
  11. "ActiveMQ". Apache Camel.
  12. "Axis and CXF Support". Apache ActiveMQ.
  13. "Projects using ActiveMQ". Apache ActiveMQ.
  14. "Worlds first SPECjms2007 Results using ActiveMQ 5.3". TU Darmstadt. Archived from the original on 2013-03-18. Retrieved 2013-01-16.
  15. "SPECjms2007 Results". Standard Performance Evaluation Corporation.
  16. "Support". Apache ActiveMQ.

Bibliography
  • Snyder, Bruce; Bosanac, Dejan; Davies, Rob (March 28, 2010), ActiveMQ in Action (1st ed.), Manning Publications, p. 375, ISBN 978-1-933988-94-8
  • Bish, Timothy (May 23, 2013), Instant Apache ActiveMQ Messaging Application Development How-to (1st ed.), Packt Publishing, p. 80, ISBN 978-1-78216-941-3
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