Dan Woods talks about Ratpack, an asynchronous web framework for the JVM that was inspired by the simplistic nature of Ruby's Sinatra framework.
Ryan Vanderwerf speaks about the roles of cache clustering, session clustering, and quartz clustering with open source Terracotta, Quartz, and BigMemory.
Grails comes with extensive testing support, ranging from unit to integration to functional tests. Ken Kousen demonstrates the range of options available both natively and through testing plugins.
Colin Harrington warns that application security is not a concern that we can ignore. Vulnerabilities come from various angles, but it is important to stay aware so we can recognize and thwart threats
Jeff Scott Brown talks about the Grails 2 features and functionality related to building RESTful services.
Grails project lead, Graeme Rocher, presents a preview of the much anticipating version 3.0 rewrite of the Grails framework including presentation of the goals behind the changes.
Ken Kousen shows how to learn Grails from basic principles to advanced concepts by building a small, but interesting application.
Eugene Dvorkin provides an introduction to Storm framework, explains how to build real-time applications on top of Storm with Groovy, how to process data from Twitter in real-time, etc.
Cedric Champeau discusses the concept of traits introduced by Groovy 2.3. Traits look like interfaces, but allow the developer to add both implementation and state into it.
Peter Niederwieser shows how Spock can be used for integration testing of Spring applications, and how combining it with Geb yields a powerful solution for acceptance testing of web applications.
Graeme Rocher shows how one can leverage key technologies from the Groovy and Grails communities to become even more productive with Spring Boot.
Guillaume Laforge presents the latest Groovy 2.3 release with its new features and performance improvements: "traits", new markup-based template engine, new code transformations, and more.