Conversion of HTML document to PDF generates "The glyph can not be mapped to Unicode"

Aspose.HTML Product Family
1

I converted the HTML page in the first attachment to a PDF document like this:

           // Initialize an HTML document from the file
            var document = new HTMLDocument(inputPath);

            // Initialize PdfSaveOptions 
            var options = new Aspose.Html.Saving.PdfSaveOptions();

            // Convert HTML to PDF           
            Converter.ConvertHTML(document, options, outputPath);

After that the PDF document was converted to pdf format 2U. See the second attachment. To verify the resulting PDF I used VeraPDF. The attached XML contains an error “The glyph can not be mapped to Unicode”. Can I fix this?

011_HTML.zip (251.2 KB)
pdf_a_2u_out.zip (293.5 KB)

2

@fransbloemen

Could you please try to use Adobe Preflight tool in order to verify the PDF/A conformance and share the screenshot of result with us? We will further proceed to assist you accordingly.

3

We first had to install the proper Adobe tools for this, so it took a while. I uploaded the Adobe Preflight result for the initial html-conversion to PDF 1.5 and the Adobe Preflight result for the PDF/A-2U conversion. The last one, as you can see, shows error “Text cannot be mapped to Unicode (87 matches on 1 page) - 1”.

Junge Klassik Das Instrumentenlexikon - Harfe_report PDF 1.5 Acrobat 6.x.pdf (491.9 KB)
Junge Klassik Das Instrumentenlexikon - Harfe_out-PDF_A_2U_out_report.pdf (545.3 KB)

4

@fransbloemen

We have generated PDF_A_2U file using Aspose.PDF for .NET 22.4 version in our environment and have attached it here. Can you please run a conformance test on it as well and share the screenshot of results with us in case validation is not passed.outputPDFA.pdf (391.0 KB)