[forge-users] cannot start foge-distribution-1.0.0.Beta5

hi all and merry Xmas,   I installed forge-distribution-1.0.0.Beta5 on a ubuntu linux machine and starting forge results in:   olaf@olaf-ThinkPad-X100e:~/dev/java/forge-distribution-1.0.0.Beta5$ forge Unable to access jarfile ~/dev/java/forge-distribution-1.0.0.Beta5/jboss-modules.jar   here ls -l of the forge dir:   olaf@olaf-ThinkPad-X100e:~/dev/java/forge-distribution-1.0.0.Beta5$ ls -l insgesamt 304 drwxr-xr-x 2 olaf olaf   4096 2011-12-21 10:46 bin -rw-r--r-- 1 olaf olaf     45 2011-12-21 10:46 copyright.txt -r--r--r-- 1 olaf olaf 242802 2011-12-21 10:46 jboss-modules.jar drwxr-xr-x 2 olaf olaf   4096 2011-12-21 10:46 lib -rw-r--r-- 1 olaf olaf   8729 2011-12-21 10:46 LICENSE.txt drwxr-xr-x 9 olaf olaf   4096 2011-12-21 10:46 modules -rw-r--r-- 1 olaf olaf    311 2011-12-21 10:46 README.txt   Anyone an idea what is going wrong?   Note: tried with chmod ugo+x and ugo+w but the same message appeared.