PDFBox filling form exception

[giuseppe gio]

I've write a simple code for edit content of a form inside a pdf. Everithing works fine (new pdf is created with modified form) but a strange excetpion about fonts were thrown. This is my code:

try {
        PDDocument pdfDoc = PDDocument.load("/home/giozh/universita/schedepazienti.pdf");
        PDDocumentCatalog docCatalog = pdfDoc.getDocumentCatalog();
        PDAcroForm acroForm = docCatalog.getAcroForm();

        PDField field = acroForm.getField("dx1");
        if (field != null) {
            field.setValue("asd");
        } else {
            System.err.println("No field found with name:" + "applicationPrepaid[0].#pageSet[0].Pagina1[0].txtFirstName[0]");
        }
        pdfDoc.save("/home/giozh/universita/schedepazienti1.pdf");
        pdfDoc.close();
    } catch (IOException ex) {
        Logger.getLogger(Prove.class.getName()).log(Level.SEVERE, null, ex);
    } catch (COSVisitorException ex) {
        Logger.getLogger(Prove.class.getName()).log(Level.SEVERE, null, ex);
    }

and this is the exception:

Grave: error while creating a font
java.io.IOException: Cannot create font as /SubType is not set.
at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:88)
at org.apache.pdfbox.pdmodel.PDResources.getFonts(PDResources.java:203)
at org.apache.pdfbox.pdmodel.interactive.form.PDAppearance.getFontAndUpdateResources(PDAppearance.java:439)
at org.apache.pdfbox.pdmodel.interactive.form.PDAppearance.setAppearanceValue(PDAppearance.java:268)
at org.apache.pdfbox.pdmodel.interactive.form.PDVariableText.setValue(PDVariableText.java:131)
at prove.Prove.main(Prove.java:37)

line 37 it's where i call setValue method

[Ulf Dittmer]

Please BeForthrightWhenCrossPostingToOtherSites: cross-posted at http://stackoverflow.com/questions/19933931/pdfbox-exception-on-fonts

[giuseppe gio]

Ulf Dittmer wrote:Please BeForthrightWhenCrossPostingToOtherSites: cross-posted at http://stackoverflow.com/questions/19933931/pdfbox-exception-on-fonts

i've crossposted for solve my problem as soon as possible