error on executeProgram in method

I am getting the following error at my executeProgram line.

Error when trying to execute a program: rsh serenity.pactitle.com pt_img -fi /shows/doptical/blood_diamond/src/bd_OPT_080_001/2048x1556/bd_OPT_080_001.0018.cin -resize 256 195 -fo /var/www/html/ptd/thumbnails/zzztest_01T5.jpg
java.io.IOException: CreateProcess: “rsh serenity.pactitle.com pt_img -fi \shows\doptical\blood_diamond\src\bd_OPT_080_001\2048x1556\bd_OPT_080_001.0018.cin -resize 256 195 -fo \var\www\html\ptd\thumbnails\zzztest_01T5.jpg” error=2

Anyone have any thoughts?

Found this on the www:

The error 2 comes from the CreateProcess() call, from MSDN (GetLastError():

2 - The system cannot find the file specified. - ERROR_FILE_NOT_FOUND