Mallika, the build.xml file is used by the Ant tool to perform the build. You will, of course, need Ant, which you can download from http://ant.apache.org/. The build.xml was most likely written using Eclipse, but any text editor can edit it. vikas01, your best bet is to read the tutorials that come with JBossPortal. Also, since you are new to the Portal I recommend that you start with version 2.4.1, the documentation for it is very good. If you try using 2.6, it is a beta, and so is the documentation that comes with it, so a lot of the documentation might not match the portal. Also, for books to get started with see http://www.jboss.com/index.html?module=bb&op=viewtopic&t=88554 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032602#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...