1: could be a slip of the keyboard. I'm not sure. 2: linux, no not needed. only the java files of eclipse are needed. Regarding the error. [java] /home/agaton/projects/jbpm.3/designer/jpdl/org.jbpm.gd.jpdl.build/genericTargets.xml:63: | Unable to find plug-in: org.jbpm.gd.jpdl_0.0.0. Please check the error log for more details. seems to be the cause. I know Koen has done some refactoring. Maybe not all is done yet. You can disable building the GPD in de ant file. See if that helps. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4122847#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...