I have the same problem as in the thread:
http://www.jboss.org/modules/bb/index.html?module=bb&op=viewtopic&t=forums/ I deploy my application (which deploys without a worry), a series of jar_cache####.tmp and nested####.jar files are written to my machine local settings ' /temp directory. When the apps are undeployed, the nested files are cleaned up, but the .tmp files and nested-... directory aren't.
After several deployements, the disk is full... and i have to spent time to delete these GBytes of unnecessary files and directories.
One suggestion is (according the previous thread):
JBoss 3.0.1 does not unpack webapps to the internal JBoss tmp directory, it unpack it in the System tmp directory
you can change the system tmp directory defining this environment variable before running run.bat or run.sh
Does it clean all? Or is it just another location?