Archive for the ‘Java’ Category

JPPF 3.0 released

The new version of the nice Java Parallel Processing Framework (JPPF) is out. See what’s new in the release 3.0 by reading the release notes.

Neo4j. NoSQL graph database

Neo4j is a graph database, storing data in the nodes and relationships of a graph. The most generic of data structures, a graph elegantly represents any kind of data, preserving the natural structure of the domain.

Configure Glassfish 3.2 to use log4j

I am just working with Glassfish 3.2 and wanted to integrate log4j logging, so I can see Logger outputs in my normal server.log First I downloaded a log4j jar. Then I copied this jar file into my Glassfish /lib directory. Then I created a log4j.properties file and put it into the /config directory of my [...]

Twitter says goodbye to Ruby on Rails

The guys at Twitter are moving away from their Ruby on Rails front-end servers towards their customized Java server Blender which is based on good old Netty. In the next phase of our deploy, we will eliminate Ruby on Rails entirely, connecting users directly to Blender and potentially reducing latencies even further. (via twitter.com)

mybatis

Shame on me, that it took my brain 4 months to recognize that Apache Ibatis has retired and has become mybatis.

Install sun-java6-jdk on Ubuntu 10.04 (Lucid)

I just had trouble to install the Sun Java6 JDK after updating to Ubuntu 10.04. The problem was that the system couldn’t find the package sun-java6-sdk and apt-get gave me the message: Package sun-java6-jdk is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, [...]

How to change a normal Eclipse project to a Java Eclipse project

I just had the problem that i wanted to change the project-type of an Eclipse project to ‘Java Project’ — it was a normal project before. This are the steps i executed: Close the project Go to the project directory  (e.g. using Terminal application) Open .project file Go to the XML node <natures> and insert [...]

Apache Lucene and Ruby

Robert Dempsey has written a nice article about ‘Using Amazon S3, EC2, SQS, Lucene, and Ruby for Web Spidering‘, which is very interesting because it describes how to interact with Apache Lucene using Ruby.

Red Hat Developer Studio Beta 1

Red Hat Developer Studio is a set of eclipse-based development tools that are pre-configured for JBoss Enterprise Middleware Platforms and Red Hat Enterprise Linux. Developers are not required to use Red Hat Developer Studio to develop on JBoss Enterprise Middleware and/or Red Hat Linux. But, many find these pre-configured tools offer significant time-savings and value, [...]

JBossTools 2.0.0.beta3

Today we are officially announcing the release of JBossTools 2.0.0.beta3, the long-awaited follow up to JBossIDE 2.0.0.beta2 [...] Download @ Sourceforge