Monitor GlassFish v3 Prelude with the Admin Console

GlassFish v3 Prelude has just been released. Download it here.
Basic monitoring for the web has been added in this release. It is based on a new lightweight framework.
Go ahead and try it out. Here are the steps to monitor from the Admin Console.

1. Start up GlassFish

2. Open the Administration Console in a browser at http://localhost:4848

3. Turn on Monitoring by setting Monitoring Service levels for a component to HIGH and Save. (No difference between HIGH and LOW for this release)
Configuration > Monitoring > Monitoring Service tab

4. Deploy and launch a web application.
Applications > Web Applications > Deploy
Click on Launch link to launch the application

5. View the monitoring statistics
Application Server > Monitor
Web Container tab: request, session, servlet, and JSP statistics
HTTP Service tab: error counts
JVM tab: stats on memory, OS, compilation, garbage collectors, runtime

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Jennifer Chou

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