You probably have done this already but in case not please do this: 1. Delete thirdparty directory 2. Run build.bat or build.sh as per your environment If first downloads component-info.xml and based on the contents, it downloads jars accordingly. So in this case, it shuld be downloading two antl*.jar mentioned in this XML file. I hope this helps. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4017679#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...