Monday Dec 16, 2013

Technical Article: RESTful GlassFish Monitoring and Management

In this new OTN technical article, RESTful GlassFish Monitoring and Management, Java EE expert Adam Bien shows you how to exploit the built-in monitoring and management capabilities of GlassFish to automate application deployment and gain insight into application performance.

"IT is all about streamlining and automation, so it is somewhat ironic that we developers still tolerate repetitive and boring manual tasks, such as deployment," Bien explains. "Also, our ignorance about easily accessible information for application servers, such as monitoring data, is surprising" he notes.

Application servers have emitted useful monitoring data and provided basic management capabilities for years, but both capabilities have been ignored. The DevOps movement is making these built-in monitoring and management capabilities interesting again. 

The article describes the GlassFish management API, which allows you to manipulate the GlassFish application server's configuration, including its monitoring capabilities. It also describes the GlassFish monitoring API, which provides a read-only facility for accessing the Java Virtual Machine (JVM), the GlassFish application server, and the GlassFish application server's metrics and counters.

Read the full article RESTful GlassFish Monitoring and Management on OTN.

Wednesday Jun 13, 2012

The Enterprise Side of JavaFX - Part One

A new article, now up on otn/java, by Java Champion Adam Bien, titled “The Enterprise Side of JavaFX,” shows developers how to use LightView to convert REST services into a bindable set of properties. The article, Part One of a three-part series, presents the enterprise and business side of JavaFX with minimal animations, effects, and transitions, and a focus on structuring the presentation logic and integration with back-end services.

Bien makes use of LightFish, LightView and much more:

“LightFish is an open source monitoring application that periodically fetches and persists snapshots from a “GlassFish Under Test” machine and makes them available in real time via a simplified REST API.

LightFish comes with a basic Web interface to manage the data-capturing interval that is implemented with JavaServer Faces 2. LightView is a JavaFX 2 real-time visualizer that integrates the Web UI directly and accesses the monitoring data via REST and long polling. It could be considered to be a ‘stress test dashboard.’”

Look for Part Two of the series, which will directly integrate the JavaServer Faces 2 UI with WebView.

Check out the article here.

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