Habari Client for ActiveMQ 5.0 Milestone 1 released

Habarisoft released the first milestone release of its Object Pascal Habari Client library for the popular Apache ActiveMQ message broker.



  • added logging of broker version string and Stomp protocol version number (requires slf4p logging)
  • added logging of detected message type of incoming Stomp message (text, binary, object, map)
  • added a check for unsupported character sets in the content-type header of incoming text messages
  • added a DUnit/FPCUnit base test class which provides a parameter-compatible ExpectException method for FPCUnit
  • added a warning at compile time for Free Pascal 3.0.0, since a bug in LocalTimeToUniversal function may cause wrong message expiration time (bug has been fixed in Free Pascal 3.0.2)
  • tested with Free Pascal 3.0.2 and ActiveMQ 5.14.3
  • tested with Indy 10.6.2 v 5395 (contained in Delphi 10.1 Berlin)
  • tested with IPv6
  • removed Free Pascal 2.6.* and non-Unicode Delphi support, code cleanup

Habari Client for ActiveMQ 5.0 Milestone 1 is available for registered users now. Habari Client libraries are also available for the free open source message brokers Apache ActiveMQ Artemis, Open MQ and RabbitMQ.

About the Apache ActiveMQ free open source message broker

Apache ActiveMQ™ is the most popular and powerful open source messaging and Integration Patterns server. Apache ActiveMQ is fast, supports many Cross Language Clients and Protocols, comes with easy to use Enterprise Integration Patterns and many advanced features while fully supporting JMS 1.1 and J2EE 1.4. Apache ActiveMQ is released under the Apache 2.0 License.

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Habari Client libraries release 2017.02

Habarisoft released new versions of Habari Client libraries for Delphi and Free Pascal application integration with free open source message brokers, including Apache ActiveMQ, Apache ActiveMQ Artemis, OpenMQ and RabbitMQ.

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Consume ActiveMQ JMS MapMessages from Delphi

One outstanding feature of the popular Apache ActiveMQ message broker is its rich message conversion capability, which allows cross-platform/cross-language exchange by serialization of JMS object and map messages to XML or JSON. Non-Java clients do not have to support the native ActiveMQ wire protocol. Instead, they can use a simple protocol such as STOMP.

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Sending messages to a RabbitMQ auto-delete queue

The RabbitMQ STOMP plugin supports advanced queue features, which can be defined in the management interface but also from clients when the queue is created. No matter how these features have been declared, RabbitMQ requires that the client specifies the same feature settings anytime when this queue is used.

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RabbitMQ Hits One Million Messages Per Second on Google Compute Engine

In this blog post of 2014, Jerry Kuch describes a performance study of RabbitMQ on Google Compute Engine. It demonstrated the ability to receive and deliver more than one million messages per second (a sustained combined ingress/egress of over two million messages per second).

At this high rate of combined ingress (1,345,531 messages per second) and egress (1,413,840 messages per second), RabbitMQ was keeping up with load and that only 2,343 messages are temporarily accumulated in its queues awaiting delivery.

Habari Client libraries release 2016.10

Habarisoft released new versions of Habari Client libraries for Delphi and Free Pascal application integration with free open source message brokers. including Apache ActiveMQ and RabbitMQ.

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Habari Client for RabbitMQ 4.4 alpha 1 released

Habarisoft released the first development snapshot of its Habari Client library for Delphi and Free Pascal application integration with the RabbitMQ free open source message broker.

Changes in this development snapshot include:

  • improved DUnit and FPCUnit test organization
  • x-message-ttl example project
  • fix for /exchange destination subscriptions
  • exchange destination example project
  • SLF4P logging framework update
  • minor fixes and core library changes

This development snapshot has been tested with RabbitMQ 3.6.5 (released 5 August 2016). It is available for registered users download in the snapshot folder.



Connect Delphi and Free Pascal applications with WildFly 10 Final

Earlier this year, Red Hat released WildFly 10 Final, a free and open source application server for the Java platform. If you need to exchange data between Delphi or Free Pascal code and WildFly 10, you can follow these steps for a quick demonstration of the Habari Client for Artemis library from Habarisoft. This native library uses the platform-independent STOMP wire protocol for asynchronous, bidirectional message exchange with popular message brokers, including the default message broker included in WildFly 10, Apache ActiveMQ Artemis.

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