JBossTools 2.1.2 requires the following drivers: Build Drivers Eclipse eclipse-SDK-3.3.2-win32.zip Webtools wtp-sdk-R-2.0.2-20080223205547.zip GEF GEF-SDK-3.3.2.zip EMF/XSD/SDO emf-sdo-xsd-SDK-2.3.2.zip DTP dtp-sdk_1.5.2_022008.zip Source: http://download.jboss.org/jbosstools/builds/release/2.1.2.GA/ Ganymede comes with webtools 3.0.0. Source: http://www.eclipse.org/downloads/packages/eclipse-ide-java-ee-developers/... JBossTools requires webtools 2.0.2, Ganymede comes with webtools 3.0. They are not compatible. JBossTools 2.1.2 is for use with Europa only. Not Ganymede. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4166282#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...