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Java User Groups In the News, 6 March 2011

Posted by editor on March 6, 2011 at 5:31 AM PST

This week I'm featuring news from the Columbia Maryland JUG, the LA JUG, the London Java Community, the Silicon Valley Web JUG, and Java User Group Latvia.

First and foremost, the Columbia, Maryland (US) JUG is looking for a speaker/presenter for their next meeting. JUG leader Edward Moffatt says:

Folks, I'm trying to find someone to speak at the next Columbia, Maryland Java User Group. The next meeting is scheduled for 24 March. Our user group is sponsored by Pangia Technologies in Fulton, Maryland. Just about any topic related to Java is open for presentation/discussion. Some of our meetings have covered topics such as Spring, Hibernate, Annotations, Eclipse IDE, GWT...

Columbia, MD is located in the Baltimore / Washington, DC corridor, to the southwest of Baltimore. Contact Edward if you're interested in speaking.

The LA (Los Angeles, California, US) JUG has made the presentation from their February meeting available. The presentation, by Azul Senior Product Manager Eva Andreasson, is titled What's Inside a JVM. Eva:

provides insights into the inner workings of a Java Virtual Machine and some drill down on what compilers and garbage collectors do, so that you don’t have to worry about it while programming your Java application. In particular, you will learn about common optimizations, well established garbage collection algorithms, and what the current biggest challenge with Java scalability is today

The London Java Community has a number of interesting sessions coming up in the next few weeks:

The Silicon Valley Web JUG will be holding its next meeting on March 16. MuleSoft Founder and CTO Ross Mason will be presenting To ESB or not to ESB: When it makes sense to use an Enterprise Service Bus.

The Java User Group Latvia is planning something a bit unusual for their April 14 meeting: the meeting will be a Joint OUG/JUG Conference.


java.net Weblogs

Since my last blog post (March 3), Frans Thamura and Bhavani Shankar have posted new blogs:


Java News

Here are the news stories we're currently featuring in our Java news section.

Patrick Curran provides an overview of his recent Interviews:

As I said in a recent post, it's good to be back, and I'm glad that things
are moving again. As part of this process I've given several interviews lately.
Here are some pointers. 1) A video interview (with
beer) with Justin Kestelyn from the Oracle Technology Network. 2) An accompanying written
interview
(without beer) with Janice Heiss...

Alexis Moussine-Pouchkine presents GlassFish 3.1 What's New - Performance! -

People usually expect performance improvements from "dot 1" releases and that's a fair aspiration for GlassFish 3.1. Performance can obviously mean different things to different people but we believe there's good news for most of you with this release of GlassFish 3.1. Application server veteran and benchmark guru Scott Oaks...

Ludovic Poitou announces New releases of OpenAM and OpenDJ !

It’s the happy hour, with a double release day at ForgeRock. OpenAM 9.5.2 has just been released, along with the J2EE Agents 3.0.3 and are now available for downloads from ForgeRock. You can find the release details...

Eberhard Wolff is interviewed in the JAXenter article Spring Day at Jax London:

Jax London 2011 will take place next month and, with this year's conference, we will dedicate an entire track to the Spring ecosystem. The Spring track will be moderated by Eberhard Wolff, a founding member of the Java Champions and author of the first German book on Spring. We caught up with Eberhard Wolff...


Spotlights

Our latest java.net href="http://www.java.net/archive/spotlight">Spotlight is Markus Eisele's article, High Performance JPA with GlassFish and Coherence - Part 3:

In this third part of my four part series I'll explain strategy number two of using Coherence with EclipseLink and GlassFish. This is all about using Coherence as Second Level Cache (L2) with EclipseLink. General approach. This approach applies Coherence data grid to JPA applications that rely on database hosted data...

We're also still featuring Mark Reinhold's announcement on the JDK 7 Developer Preview:

The JDK 7 Developer
Preview (a.k.a. Milestone 12) builds are now available for download. This milestone is intended for broad testing by developers, deployers,
and end users. We’ve run all tests on all supported platforms and haven’t
found any glaring issues. We’ve also
fixed 456 bugs
since reaching
the Feature-Complete
milestone
back in January...


Poll

Our current java.net poll asks What's your initial impression of the new java.net? Voting will be open until Monday.


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-- Kevin Farnham

Twitter: @kevin_farnham