anonymous wrote : I tried to upgrade my jdk from 1.5 to 1.6 on my mac but all I got was 1.5.0_16 I haven't used a Mac system so i dont know whether a JDK 1.6 is available for Mac OS. anonymous wrote : I want to work on JBOSS seam, I wonder if this runs well on java 5. Yes, JBoss Seam works fine on Java 5. So, i guess, the best way to get your setup working is to retain the current Java 5 that you have and download a new JDK 1.5 version of JBoss-4.2.3 GA from here http://downloads.sourceforge.net/jboss/jboss-4.2.3.GA.zip?modtime=1216412... Let us know, if you still run into issues after following these steps. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4187379#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...