PDF prints on local, on server gives HeadlessException

[stephen smith]

Hello,
 
I am printina pdf using PDFBox. It works great on out local dev boxes but when 
we move to the server it gives the error:
java.awt.HeadlessException
at sun.print.PSPrinterJob.printDialog(PSPrinterJob.java:401)
     at org.pdfbox.pdmodel.PDDocument.print(PDDocument.java:831)...
 
Can anyone help with this?
 
Thanks