giulio wrote: joseluis@esdebian.org: Are you able to run your report inside iReport? If yes, the problem is that your subreport is not found in the classpath in your webapp. dmccowan: Make another post for your question. Can you explain it a bit better? Does your integer fields ever the same length? Giulio No, I'm not able to run the report inside iReport. According to this link: http://www.jasperforge.org/index.php?option=com_joomlaboard&Itemid=215&func=view&id=175&catid=9 the problem is a iReport bug, as I supposed :-) Thanks Giulio.