Java

If you’re setting up a linux box to run an Eclipse PDE headless build and by choice or accident end up using a Debian system and again by choice or accident installed the OpenJDK, you’ll probably see the following p2 director error message after enabling the p2 integration: One or more certificates rejected. Cannot proceed with installation. This message does not contain a wealth of information, it doesn’t even state which certificates where rejected. Even more bizarre is the fact that this message appears even if you turned code signing off. The reason for this can be found buried inside the OpenJDK web site: ...

If your product-based Eclipse PDE Headless Build seems to work just fine and creates some archives with files and executables inside, you might still experience one ugly problem: Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini) This message will appear in the error log, brought to you by a very plain dialog box. You can solve this problem by editing the product definition file. In the Configuration section, add the plug-in org.eclipse.core.runtime to the list. ‚Then enable Auto-Start and set the Start Level to 2. Since the default start level of OSGi bundles is 4, this will ensure that this plug-in is loaded before the others. ...

The Linux-Magazin 02/2011 - that is available as of today - contains an article in which I describe how to use Xtext and the ex-oAW technologies Xtend, Xpand and Check to create a custom configuration DSL and a configuration file generator. Addendum: In the meantime, the article has been made publicly available.

Attached to this article you will find the slides of my talk project.replaceAll(“GMF”, “Graphiti”);. At the Eclipse Demo Camp I described my experiences during the replacement of the Graphical Modeling Framework with the relatively recent framework Graphiti. There is no sample coding - the reason for this being simply that you will basically need to rewrite everything from scratch, as I’ve shown in the talk. The slides do not contain any comments and are not translated; they are released under a CC-by-nc-nd license. ...

The Eclipse Rich Client Platform (RCP) is a stable and proven foundation for developing client-side applications. However, the power of this platform is offset by a complexity that deters many beginners. This workshop provides a practical introduction to the first steps in creating an RCP application and covers the most important basic concepts for further familiarization. On this page, you will find the latest version of the accompanying text. The text is also suitable for self-study; further information can be found in the introduction. For now, the document is available in German only. ...