"Classloader: What role does it play for application re/deployment?" at New England JUG - by Sang Shin from ZeroTurnar

Join the Rebellion tour
This talk is part of our tour "Join The Rebellion Tour" .  Our host is the New England JUG .
Abstract
Class loaders are at the core of the Java language and play very important role for loading and reloading classes in the containers, thus have a huge implication in terms of run-time enterprise application performance and developer productivity. This session reviews the fundamentals of class loaders a bit first and then go over how class loaders are used in real servers, containers and frameworks covering the following aspects.
How are dynamic classloaders used to reload Java classes and applications?
How do Tomcat, GlassFish, and other servers use their classloaders for reloading Java classes and applications?
How does OSGi use its classloader?
How do frameworks (incl Tapestry 5, RIFE, Grails) reload Java classes and applications?
 
Speaker
Sang Shin has been working with Java technologies since the year 2000, having spent over 10 years as the Lead Java Technology Architect and Evangelist at Sun Microsystems.
 Since early 2011, Sang has been the primary JRebel Evangelist for ZeroTurnaround, visiting JUGs, exhibiting with the company at events, and even getting a little involved with LiveRebel. In his "free" time, Sang operates and provides instruction on JPassion.com (formerly Javapassion.com), a popular learning site that he founded for Java/Spring/Ruby/MySQL/Android developers.
Sang frequently gives talks at various conferences around the world such as JavaOne & Devoxx on various Java technologies such as Java EE, Java SE, Web application frameworks, Web services and SOA technologies.