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Pouring Data on Troubled Markets - Quantitative Portfolio Management Technology at BGI

Posted by Eoin Woods  on  Nov 05, 2009

Eoin Woods explains how Barclays Global Investors (BGI) designed Apex, a new porfolio management system, to meet the challenges it faces and why BGI chose to combine mainstream, boutique and open source Java technologies, including Oracle, WebLogic, Spring, Swing, JIDE, Flux, CPLEX, MVEL and XStream, to create an architecture with some interesting variations on the standard J2EE form.

Performance Tuning for Apache Tomcat

Posted by Mark Thomas  on  Aug 16, 2009 3

Mark Thomas, a member of the Apache Tomcat PMC, explains the tuning process for Tomcat, JVM and the applications running on them considering different usage patterns, hardware and network configurations.

OSGi for Application Developers

Posted by Neil Bartlett  on  Aug 05, 2009 2

Neil Bartlett presents OSGi to Java developers: an introduction to OSGi – the standard module system for Java -, infrastructure projects using OSGi, the partial failure of OOP, the benefits of using COP – Component Oriented Programming – and how to implement components, including a demo.

Google App Engine and the Google Data APIs

Posted by Mano Marks  on  Jun 21, 2009

Mano Marks introduces the Google App Engine (a toolset used internally to develop Google applications) and shows how to build scalable systems where the developer worries about the code, and Google worries about the servers. The presentation includes an overview of Google App Engine and a quick introduction to the Google Data APIs.

Keynote: The Future of Java Innovation

Posted by Rod Johnson  on  Jun 10, 2009 21

In the opening keynote at SpringOne Europe 2009, Rod Johnson wondered if Java innovation is going to be stifled by latest Oracle acquisition and expressed his belief that Java will continue to evolve outside of Sun as it has done for the last few years. As proof he mentioned: Grails, Roo, a tool for improved developer productivity, a free STS, tc Server and dm Server.

Introduction to SpringSource dm Server

Posted by Rod Johnson  on  May 21, 2009

In this presentation recorded at QCon SF 2008, Rod Johnson, the father of Spring, introduces the SpringSource dm Server by taking a high-level look at it, trying to clear up some misconceptions about what dm Server is, and showing how the configuration, logging and application installation work.

Application Services on the Web: SalesForce.com

Posted by Dave Carroll  on  Apr 11, 2009

Dave Carroll presents Force.com as a platform for creating enterprise applications in the Cloud using Web service APIs, server side logic, service oriented application support and application lifecycle management service: delivering your application offline or to a mobile device. Dave covers issues, like scalability, huge data sets, security and developer success.

Voca, UK's largest payment processing engine running Spring

Posted by William Soo and Meeraj Kunnumpurath  on  May 01, 2008 1

In this presentation from QCon London, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.

Spring 2 and Beyond

Posted by Rod Johnson  on  Aug 29, 2007 5

Spring 2.0 takes POJO-based development to a new level of sophistication. The themes of Spring 2.0 are simplicity and power: it makes existing tasks even easier, while extending the power of Spring to new areas. In this session, Rod Johnson will explain a number of the important enhancements and new features in Spring 2.0, as well as roadmap and plans for 2007.

Cluster Your JVM to SIMPLIFY application architecture

Posted by Ari Zilka  on  Jul 21, 2007 1

Open Terracotta is an open-source, highly scalable, JVM-level clustering solution. As well as being a drop-in replacement for Tomcat Clustering, it can transparently cluster POJOs and Spring beans. This presentation will be an in-depth case study of a small mobile application built using Terracotta clustering.

Rod Johnson: Are we there yet?

Posted by Rod Johnson  on  May 31, 2007 5

We've come a long way from the first versions of J2EE. We've learned to avoid invasive programming models, we've developed a rich set of frameworks and APIs, we know how to develop apps based around simple objects. Are we there yet? Most of us would answer no. If we're not there yet, then where are we headed next? Spring founder Rod Johnson explores this issue. Recorded at JAOO Sept 2006.

Java EE Class Loading Architectures

Posted by Ernie Svehla  on  Apr 05, 2007 17

Ernie Svehla, Chief Architect of IntelliObjects reviews Java Class Loading basics, comparing the class loading architectures of the Sun's Appserver 9, BEA WebLogic 9.1, and JBoss 4.0.2. The presentation concludes with a discussion of best practices for packaging JEE applications followed by techniques for resolving common class loading problems such as ClassNotFoundException, or NoDefFound Errors.

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