When I compile the code, I got 38 warnings like this bellow. I do not know if it was related. 1. WARNING in C:\pedroluppi\workspace\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\plugins\org.jbpm.gd.jpdl\src\org\jbpm\gd\common\editor\Editor.java (at line 32) [java] [javac] import org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart; [java] [javac] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [java] [javac] Discouraged access: The type XMLMultiPageEditorPart is not accessible due to restriction on classpath entry C:\software\eclipse\plugins\org.eclipse.wst.xml.ui_1.0.300.v200705302225.jar [java] [javac] ---------- View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4079288#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...