JEE Development using JRebel with IBM WebSphere (WAS) 6.1 and RAD 7.0

Posted in Application Server, Java / JEE on August 14th, 2010 by Kai Wähner

JEE Development using JRebel with IBM WebSphere (WAS) 6.1 and RAD 7.0

I want to share my experiences with JRebel (http://www.zeroturnaround.com/jrebel/). If you need some neutral information about this product to ease development with J2EE / JEE applications and application servers, this blog entry is for you!

Problems with JEE Application Servers

If you develop with WAS, no matter if it is version 5 / 6 / 6.1 / 7, deployment takes a very long time. Even changing a single line of code (e.g. to add a System.out.println) takes about 15 minutes in our project for publishing the changes, because you always have to do a build and redeployment. So, sometimes you have to wait 50 percent of your working time until WebSphere is ready again.

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