proble in running .properties file

# Timer for thread to sleep
thread.sleep =15000

# To run the thread as daemon process
thread.run = true

# Copy command
thread.cmd = C:\Program Files\Java\jdk1.5.0\bin\java CopyFile

This is .properties file. CopyFile is name of program.
is that ok. if i use cp command inplace of running java file works fine.but then when i use the above linei get error