InfoQ Homepage Java Content on InfoQ
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An Open Source Ajax Shootout
InfoWorld columnist Peter Wayner recently reviewed six of the most popular open source Ajax toolkits. He was curious if they were enterprise ready in comparison to commercial products such Backbase, JackBe, and Tibco's General Interface. The six open source projects covered were selected because each has a high-profile in the developer community and support of one or more stable organizations.
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Qt for Java Preview Released
TrollTech has released a preview of their popular Qt UI toolkit for Java 5.0 based on Qt version 4.1.3. The product named Jambi includes most of the core Qt modules such as Core, GUI, OpenGL and SQL.
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Reviews Mixed on Google's New Project Hosting Service
Last week Google announced a new hosting service for open-source projects. Developer comments around the web have been mixed. Some developers have been impressed with the service while others feel underwhelmed.
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Bringing Scripting to the Java Platform
Scripting languages have traditionally been difficult to integrate into Java applications. A new article on the Sun Developer Network takes a look at using JSR 223 - Scripting for the Java Platform to integrate scripting into your application.
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RIFE Java Web Framework 1.5 Released
The RIFE Java web framework has released version 1.5. RIFE is a full-stack web application framework with tools and APIs to implement most common web features. Each of its toolkits is usable by itself or as an integrated stack. The RIFE framework promotes itself as having many key differentiators versus other Java web frameworks including continuations and state handling without sessions.
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Esper: High Volume Event Stream Processing and Correlation in Java
Esper is an event stream processing (ESP) and event correlation engine (CEP) unveiled this week with a 1.0 launch on Codehaus. Esper is a real time engine that triggers actions when pojo event conditions occurs among event streams. It is designed for high volume event correlation where millions of events coming in would make it impossible to use a classical RDBMS approach.
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An Inside Look at the Geronimo Plugins System
One of the top items listed in the new Geronimo 1.1 release is plugin support. Plugins are touted as being easy to install, automatically downloading dependencies, and eliminating the need for server restarts. InfoQ recently caught up with Geronimo committers Bruce Snyder and Aaron Mulder for more details.
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InfoQ Article: From Java to Ruby...
The Ruby on Rails revolution has been led by developers. Convincing management takes another kind of persuasion. A manager needs to understand the risks of adopting Ruby, the risks of snubbing mainstream languages like Java--even for one project--and the overall technical landscape of Ruby's capabilities.
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eXo Java Content Repository and ECM 1.0 Released
Exo and Objectweb have announced the release of their Java Content Repository JCR 1.0 open source product (an implementation of JSR 170) as well as ECM (Enterprise Content Management) 1.0 tools, part of the eXo portal platform which also includes a JSR 168 compliant portal server.
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CRX Content Repository for Java 1.2 Released
Day Software has released version 1.2 of Day Content Repository Extreme (CRX). CRX is a content repository implementing the new Content Repository for Java Technology (JCR) standard. This release adds Apache Derby support, Active/Passive Clustering, and full JSR 170 compliance. InfoQ spoke to Day CTO David Nuescheler to get more information.
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Revisiting the Need for Asynchronous Servlets
As we transition from a page based view of web application development to an Ajax style data based new server programming needs emerge. Gregg Wilkins, lead developer on the Jetty web container, has been examining the need for an Asynchronous Servlet API in a series of blog posts. This review has resulted in Gregg concluding that continuations are the best solution at the present time.
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Pulse Continuous Integration Server 1.1 Released
Zutubi has recently announced Pulse 1.1. Pulse is a continuous integration server for building and testing your project's source code. It supports a number of build frameworks (ant, maven, etc) and SCM servers (CVS, Perforce, Subversion, etc).
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BEA Finishes Moving OpenJPA Code to the Apache Incubator
BEA has finished the last set of OpenJPA code drops to the Apache Incubator. OpenJPA will be an enterprise grade JPA implementation suitable for production use. It will also form the basis for BEA's commercial Kodo 4.1 and WebLogic's JPA support.
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InfoQ Article: The Annotation Hammer
Venkat Subramanium takes a look at Java SE 5 Annotations. What they are, how to create them, and more importantly, how to use and not misuse them. "The right use of annotations" is a design concern that deserves due consideration in application development.
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Best Practices for Planet-Scale Software Updates
A new Microsoft research paper has examined data from billions of Windows update queries from 300 million computers using the Windows update service in order to learn about the traffic characteristics of software patch distribution and also examine alternative architectures (P2P and caching) to support planet-scale software updating.