I think textFields are not rendered correctly in jasper reports version 4.0.2. The last character or characters from the displayed text are rendered in a new line. For instance:
super admin becomes
Besides that text indented to the right is also displayed very close to the reportElements margin. The same jrxml file produced a perfectly good PDF file with jasper reports version 4.0.1.
I have also generated reports to xls files and that works fine.