JavaRebel Brings Class Reloading to Java

October 8th, 2007 by Jevgeni Kabanov

Finally we are ready to unveil what Aranea team has been so busy on. As time went by we realized that one of the main problems impeding developer productivity was lack of class reloading facilities in Java Virtual Machine. We have been working on this for almost a year and today we can show the results.

JavaRebel reloads changes to Java classes on-the-fly without redeploy or restart including new methods and fields. It is a generic solution that works for standalone Java applications as well as application servers.

Watch the demonstration screencast (~5 mins), read the feature list or just download JavaRebel from ZeroTurnaround.com and give it a try. Disclaimer: JavaRebel is commercial software with a free trial for 14 days and developer seat cost at 99$.

ZeroTurnaround is a spinoff of Webmedia, Ltd. that focuses on Java developer productivity tools. Currently we are developing JavaRebel, a generic Java class reloader, and JSP Weaver, an instant JSP interpreter.

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