I am getting a NullPointerException while merging pdfs.
I am using almost the same code as concat_pdf.java. Code
snippet follows the message. Any help would be greatly appreciated.
Jaideep
Iterator it = _listOfPages.iterator();
finalPDF = (String)it.next();
while (it.hasNext()) {
pageFile = (String)it.next();
PdfReader reader = new PdfReader(pageFile);
if (fileCount == 0) {
document = new
com.lowagie.text.Document(reader.getPageSizeWithRotation(1));
writer = new PdfCopy(document, new
FileOutputStream(finalPDF));
}
int pageCount = reader.getNumberOfPages();
PdfImportedPage page;
for (int i = 0; i < pageCount;) {
++i;
page = writer.getImportedPage(reader, i);
writer.addPage(page);
System.out.println("Processed page " + i);
}
fileCount++;
}
java.lang.NullPointerException
at com.lowagie.text.pdf.PdfWriter.getPdfIndirectReference(Unknown
Source
)
at com.lowagie.text.pdf.PdfImportedPage.<init>(Unknown Source)
at com.lowagie.text.pdf.PdfReaderInstance.getImportedPage(Unknown
Source
)
at com.lowagie.text.pdf.PdfCopy.getImportedPage(Unknown Source)
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