New Load Testing Tool Released for UltraLightClient

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ULC Load tests scalabilty of UltraLightClient-based applications.

Canoo Engineering, a Swiss software company specialized in products and services for Rich Internet Applications, today announced that it has released a new version of its load testing tool for UltraLightClient, ULC Load ( The tool analyses the performance data of UltraLightClient-based applications.

Since the last version, ULC Load has been completely re-implemented to offer improved testing functionality for Java RIA development with UltraLightClient. New features include improved usability, graphical output of results, graphical test plan browser and the possibility to add and modify test plan parameters.

All performance data is logged during the load tests, allowing developers to assess the performance and scalability of an UltraLightClient application before deployment. This helps to avoid costly performance problems by detecting bottlenecks before a new application is deployed.

The tool records interaction sequences, allows controlled replays of test scenarios, and displays the results as graphs.

Enterprise Version for Large-Scale Testing

ULC Load is available in two versions:

  •      ULC Load - single node version, suitable for testing small applications.
  •      ULC Load Enterprise - multi-node version, for large enterprise-level applications.

ULC Load Enterprise is a site license for ULC Load with no restrictions regarding number of instances, machines or connections. The license covers all testing requirements irrespective of the size of your application or number of developers working in your organisation.

Both versions of ULC Load integrate into Apache Jakarta's JMeter load test infrastructure, leveraging the existing functionality of this infrastructure such as easy visualization and analysis of load test results.


A single license for ULC Load costs 4'999 US$ and can be purchased at the Canoo product website: An evaluation license is available for a 30 day test period.

An unlimited ULC Load Enterprise license is available for 29'999 US$.

About UltraLightClient

UltraLightClient (ULC) is a Java library for web user interface development, bridging the gap between Java Swing and a server-side architecture. UltraLightClient allows Java developers to develop mission-critical enterprise web applications with a rich and responsive user interface using proven Java technology both on the client and on the server.

About Canoo

Canoo is a solution provider for Rich Internet Applications (RIA) based in Basel, Switzerland. It offers consulting services and end-to-end development of Enterprise Web applications. With 10 years of experience in Rich Internet Application (RIA) technology, Canoo is a leading expert in Web 2.0 applications, Java rich clients, and AJAX. Canoo's RIA technology and web testing products are used in more than 60 countries worldwide.

See also the RIA blog ( for news and developments.

Canoo is exhibiting at JAX 07 in Wiesbaden/Germany ( and JavaOne 07 in San Francisco (

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