One of the most trickiest parts is that in an XText2 grammer project there will be a file in xtend-gen folder woth name <<project>>Generator.java. That file is not created by the Generate<<project>>.mwe2 workflow, instead it seams that it is created by some eclipse magic. But this file is needed to compile the code! So my solution is to let eclipse generate that file, and then add it to the svn li