iText Pdf Merging Checkbox Issue -


we using itext pdf api version 5.5.3 , trying merge pdf documents contain checkboxes , write pdf document in servlet output stream , displays in iframe.

it works in ie(tried in 11) checkbox doesn't appear in chrome(tried in 52).

below sample code use display pdf.

                    inputstream in = docfile.getimage()                             .getbinarystream();                     reader = new pdfreader(in);                     pdfreaderlist.add(reader);                       document = new document(pagesize.a4);                     bytearrayoutputstream = new bytearrayoutputstream();                     pdfcopy copy = new pdfcopy(document, bytearrayoutputstream);                     document.setmargins(35, 35, 48, 75);                     document.open();                     copy.setmargins(35, 35, 48, 75);                     // add document                      iterator<pdfreader> pdfreader = pdfreaderlist.iterator();                     while (pdfreader.hasnext()){                         pdfimportedpage page;                         reader = mcpdffilewriter.unlockpdf(pdfreader.next());                         (int currentpage = 1; currentpage <= reader.getnumberofpages(); currentpage++) {                             page = copy.getimportedpage(reader, currentpage);                             pagenum++;                             copy.addpage(page);                             footernameslist.add(filename);                             footermap.put(footermap.size() + 1, filename);                          }                     }                      document.close ();                     reader.close();                     copy.close();

i gone through link , given solution seems working when use below code - 

                    inputstream in = docfile.getimage()                             .getbinarystream();                     reader = new pdfreader(in);                     pdfreaderlist.add(reader);                       document = new document(pagesize.a4);                     bytearrayoutputstream = new bytearrayoutputstream();                     pdfcopy copy = new pdfcopy(document, bytearrayoutputstream);                     document.setmargins(35, 35, 48, 75);                     document.open();                     copy.setmargins(35, 35, 48, 75);                     **copy.setmergefields();**                      // add document                     **copy.adddocument(reader);**                                                        document.close ();                     reader.close();                     copy.close();

however face outofmemoryerror , looking idea if there known issue copy.setmergefields();copy.adddocument(reader); , how can overcome ?

a bug reported in chrome ( in thought of plugin issue) , sample pdf attached there


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