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Posted by Jan Machacek
Thu, Jun 17, 2010

With the fantastic weather outside, I needed to take a break in my training. My legs felt very tired this morning and my heart rate just would not go above 155 bpm: all the signs to take a rest day. Now, rest day for the legs does not mean rest day for the brain! And so, I put some more pages to the Beginning MVC chapter. Download here.

Posted by Jan Machacek
Sun, Feb 21, 2010

If you're using Hibernate in WebLogic, some of you may have come across a class loading problem, because WebLogic includes Antlr 2.7 on its main classpath, and when you start application that requires antlr as well, you will end up with strange class loading and casting exceptions.
OSGi should really solve all this, shouldn't it? We no longer have monolithic classpaths, we have bundles with isolated classpaths and the OSGi runtime provides the lifecycle management and dependency resolution services. Well, in case of Hibernate, it is not that simple. Let's say you have a typical web application with the repository tier implemented in Hibernate.

Posted by Jan Machacek
Mon, Aug 24, 2009

Our new open-source project, Jeabu, is on its way. If you are very adventurous and interested in the earliest code, pull it from .

Posted by Cornel Foltea
Wed, Aug 12, 2009

The ice has been broken. The first step on the path to future speeches has been taken.

First of all I would like to thank each and every one in the audience for the great support. You can now download the demo source code and the OSGi presentation material.

Posted by Jan Machacek
Sat, Jun 27, 2009

We strongly believe that OSGi is the future of Java EE development. Let me be more clear (mea maxima culpa!) clearer: if Java EE applications do not clean up their act and become more manageable, they will face the slow death of COBOL (notice that I spell COBOL with upper-case letters -- I have some COBOL programming experience under my belt -- scary!). It means that there will be a lot of development and a lot of work for us Java programmers to do, but all the cool stuff will be happening elsewhere. Let's name drop: Ruby on Rails, Grails, dare I say JavaScript?

Posted by Jan Machacek
Thu, Apr 9, 2009

I have several ideas for the next SUG talk, I think they are all really exciting, but I will welcome your comments. The choices are:

Posted by Jan Machacek
Thu, Oct 23, 2008

We're excited to tell you that our new book, SpringSource dm Server in Action, is now available under the Manning Early Access Program. As you can guess, the book focuses on the and its impact on the world of Java EE programming.

Posted by Jan Machacek
Wed, Oct 1, 2008

have released the GA version of the dm Server. The dm Server is an OSGi-based Java EE application server.

Posted by Jan Machacek
Sun, Sep 14, 2008

With the RC2 of SpringSource's dm Server the OSGi development in Java will gain even more momentum. There are two camps of developers: one hates OSGi and the other loves it.
The reasons for hate include steep learning curve, difficulty in migrating existing applications and complexity of deployment. The first two reasons are understandable.

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