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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
Wed, Aug 12, 2009

Now that the news that VMWare bought SpringSource for a lot of money is out, let's think about what it means for Spring developers. This post is pure speculation, something I would like to happen; the only satisfaction I will have if it does is being able to say "I said so".

Posted by Jan Machacek
Fri, Jul 24, 2009

Once you install dm Server, you may want to run it as a service or daemon. In this post, I will give you an excerpt from Chapter 2 of dm Server 2.0 in Action.

Posted by Jan Machacek
Mon, Jul 20, 2009

We have just submitted the first two chapters of our upcoming book, dm Server 2.0 in Action. We are pressing on, already working on the next two chapters. After this, we will have one third review; we'll then need a week or so to recover from the review and then continue with the work.
Keep watching this space and subscribe to to get your hands on the early text.

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, 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 22, 2008

We have just contributed our own videocast to the YouTube black hole. It is the first out of three videos that deal with migrating Java EE applications to the dm Server.
This first part (for some strange reason, we decided to call it Episode IV) shows the outline of the process, but skims over the details such as the structure of the archives being deployed and the MANIFEST.MF descriptors.

Posted by Jan Machacek
Thu, Oct 16, 2008

We've received the cover designs for our book, dm Server in Action. We had three choices and the final scores are:
In the third place miserable looking so and so, whose pen hides Ani's name!

Posted by Jan Machacek
Sun, Oct 12, 2008

Aleksa and I gave talk at the Spring in Finance Exchange in Milan on Friday 10th October. We took a large Java EE web application (a huge 22MB WAR file) and deployed it in the dm Server. And it worked!
But that was just a small preview of things to come.

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.

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