javapdftron

PDFTron - HTML2PDF - Operation file seek failed

While converting bulk html files to pdf, getting Conversion failed error. For same html file sometimes it work. Mainly whenever more files are there one or two get failed.

PdfTron Version : September 2016, Environment : Linux, Java 8

Followed this article, https://www.pdftron.com/pdfnet/samplecode/HTML2PDFTest.java.html

String inputHtml = "/myfolder/output.html";
String outputPdf = "/myfolder/output.pdf";
PDFNet.initialize();
PDFDoc doc = new PDFDoc();
HTML2PDF converter = new HTML2PDF();
converter.setLandscape(false);
converter.setPaperSize(9);
converter.insertFromHtmlString(new String(Files.readAllBytes(Paths.get(inputHtml))));
if (converter.convert(doc)) {
    doc.initSecurityHandler();
    doc.save(outputPdf, SDFDoc.e_linearized, null);
} else {
    log.error("Conversion failed. HTTP Code: " + converter.getHTTPErrorCode() + "\n" + converter.getLog());
}

Output

Conversion failed. HTTP Code: 0
Loading pages (1/6)
[>                                                           ] 0%
[======>                                                     ] 10%
[=================>                                          ] 29%
[===================>                                        ] 33%
[=====================>                                      ] 36%
[============================================================] 100%
Counting pages (2/6)                                               
[============================================================] Object 1 of 1
Resolving links (4/6)                                                       
[============================================================] Object 1 of 1
Loading headers and footers (5/6)                                           
Printing pages (6/6)
[>                                                           ] Preparing
[==============================>                             ] Page 1 of 2
[============================================================] Page 2 of 2
Done                                                                      
Post Process Error: Operation file seek failed
StdFile.cpp:478
DataWrite
Solution

  • Most likely there is some read/write permission issue with the temp folder being used.

    Please try the following.

    PDFNet.setTempPath(folder_that_you_know_your_process_can_read_write);
PDFNet.initialize();