iText no linux

Boa Tarde a todos !

Eu estou usando o iText para gerar PDF, no meu servidor window minha aplicação roda de boa, a mesma aplicação no meu servidor linux, ele me dá o seguinte pau :

2006-04-07 16:41:21,777 INFO [STDOUT] ExceptionConverter:
2006-04-07 16:41:21,777 INFO [STDOUT] java.io.IOException: The document has no pages.
2006-04-07 16:41:21,778 INFO [STDOUT] at com.lowagie.text.pdf.PdfPages.writePageTree(Unknown Source)
2006-04-07 16:41:21,778 INFO [STDOUT] at com.lowagie.text.pdf.PdfWriter.close(Unknown Source)
2006-04-07 16:41:21,778 INFO [STDOUT] at com.lowagie.text.pdf.PdfDocument.close(Unknown Source)
2006-04-07 16:41:21,778 INFO [STDOUT] at com.lowagie.text.Document.close(Unknown Source)

Alguem saberia me dizer o pq ?
Grato