Brian, Thanks a lot. I downloaded the EJB3 RC9 release, but could not install it because some installation error in the patch:anonymous wrote : [root@centos4_vm_31-3 jboss-EJB-3.0_RC9_Patch_1]# ant -f install.xml -Djboss.server.config=default | Buildfile: install.xml | | install: | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib | [copy] Copying 14 files to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/deploy | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/deploy/j | ms | [copy] Copying 1 file to /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/deploy | [delete] Deleting directory /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/tmp | [mkdir] Created dir: /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/tmp | [unjar] Expanding: /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib/jboss.jar i | nto /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/tmp | | BUILD FAILED | /home/jboss/Desktop/jboss-EJB-3.0_RC9_Patch_1/install.xml:47: Error while expanding /home/jboss/Desktop/jboss-EJB-3.0 | _RC9_Patch_1/${env.JBOSS_HOME}/server/default/lib/jboss.jar | | Total time: 0 seconds I checked the directory, jboss.jar does not exist. Is there anyway I may fix this? Appreciate all your help. Shaw Xu View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4014170#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...