Couldn't execl robot child process: Permission denied in RMI

How to set the security manager to grant permission to create child Process in RMI program.I am using awt.Robot Class in a RMI program so plz give some suggestions about this problem. Thanks in advance...

While Running the Rmi application it shows

Couldn't execl robot child process: Permission denied in RMI

[335 byte] By [rajarama] at [2007-10-3 4:06:22]
# 1
in linux, search for the file awt_robot and then change the mode to 'chmod 777' . then exectue the RMI application which uses Robot class.
rajarama at 2007-7-14 22:05:50 > top of Java-index,Core,Core APIs...