1. Greek fonts in Jasper PDFs
  2. For saving PDF files Jasper uses special handling with font embedding. One is supposed to prepare a separate jar with bundled .ttf files (e.g. jasperreports-fonts-4.7.0.jar). You then indicate in the jrxml file that a particular embedded font is to be used.
  3. critical report-level parameter in Jasper reports
  4. float column footer
    (the above parameter affects the placement of column footers which are sometimes placed below summary line or somewhere inconveniently low, in any case)