Why are you trying to patch JBoss AS? I am guessing that you want to find a fix to a particular problem and apply that fix to the JBoss AS that you have. Is this correct? What you will find in Subversion is the full source for JBoss AS (and many of the other JBoss products). Usually, you download the entire source using a Subversion command such as: svn co http://anonsvn.jboss.org/repos/jbossas/tags/JBoss_4_0_5_GA/ That command gets you the source for the 4.0.5 release. See also http://wiki.jboss.org/wiki/Wiki.jsp?page=SubversionMigrationGuide For individual patches, you typically have to match up JIRA entries with Subversion version numbers and from there figure out what was patched. Most people don't do that, instead they download the source that contains the fix and use that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4027962#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...