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From Kai Keggenhoff <keggenh...@conclude.com>
Subject PDFBox 2.0.14 and JIRA-4437 - import stamp annotations from XFDF
Date Fri, 01 Mar 2019 08:48:35 GMT
Hello,

this morning I read about the release of 2.0.14 and when I noticed the entry for PDFBOX-4437,
I was rather happy, because this was an issue for some of our users.
However, after putting 2.0.14 to the test, my enthusiam was curbed, because by all appearances,
the situation became worse.

https://www.dropbox.com/s/wzbyqjzua5zlk7k/lorem.zip?dl=0

Here I have provided four files with which I would like to demonstrate the problem.

lorem_1.pdf :

this is the original, unmodified PDF.

lorem_2_with_upload_button_and_stamp.pdf :

this is the PDF we deliver to the user. In the upper left corner is a button which will upload
the annotations made by the user to our server.
In this case, it will upload the XFDF to a local address, which is not available outside my
test scenario (and in the live enviroment, the button is more serious).

I already added a stamp annotation with the picture of the word "Genehmigt" (German for "approved")

lorem.xfdf :

this is the XFDF uploaded to the server

lorem_3_merged.pdf :

this is the original PDF with the XFDF merged into it.
Opening this PDF with Adobe Acrobat Read DC produces the error message

"There was an error processing an annotation or link. There was a problem reading this document
(16)."

The regular content is displayed normally though and the outline of the stamp can be seen
if it's manually selected via the annotation list.
Merging the annotation with 2.0.13 produces no error message and a visible, but crossed out
box for the stamp.

Merging the annotation is done by :


  1.  parsing the XFDF to a Document
  2.  creating a FDFDocument object with the Document
  3.  iterating over the list of FDFAnnotations obtained by FDFDocument.getCatalog().getFDF().getAnnotations()
and adding each FDFAnnotation via  PDPage.getAnnotations().add(FDFAnnotation)

During this, 2.0.14 produces this console output :

Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Group => NOT handling child element: BOOL
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Group => NOT handling child element: BOOL
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS0 => NOT handling child element: BOOL
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS0 => NOT handling child element: FIXED
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS0 => NOT handling child element: FIXED
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS1 => NOT handling child element: BOOL
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS1 => NOT handling child element: INT
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: GS1 => NOT handling child element: INT
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: P0 => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: P0 => NOT handling child element: INT
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Shading => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Shading => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Function => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Function => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Function => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Function => NOT handling child element: INT
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Function => NOT handling child element: ARRAY
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseDictElement
WARNUNG: Shading => NOT handling child element: INT
Mär 01, 2019 9:35:12 AM org.apache.pdfbox.pdmodel.fdf.FDFAnnotationStamp parseStreamElement
WARNUNG: N => Not handling element DATA encoding: ASCII

Best regards,

Kai Keggenhoff

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