Classpath to be written is really outdated:

http://codefinder.org/viewFile/writeClassPathFile/https%3A%5Es%5Essvn.strategoxt.org%5Esrepos%5EsWebDSL%5Eswebdsl-editor%5Estrunk%5Eswebdsl.editor%5Eseditor%5Esjava%5Eswebdsl%5EsWebDSLEditorWizard.java/WebDSL/Java+Method+Decl#436

Submitted by Elmer van Chastelet on 6 September 2013 at 10:46

It’s already dynamic, generated before a project build, see https://svn.strategoxt.org/repos/WebDSL/webdsls/trunk/java-runtime/src/org/webdsl/ant/TaskFixClasspath.java