I thought the visual / non visual signature isn't the problem, that there is some unknown difference between what you use for the second signature and what I use, but then...

It just got weirder! I reopened the file I mentioned in my last post and now it looks like this:

This is definitively some Adobe weirdness. You should report it there. Alternatively / Additionally, try asking on stackoverflow or related site if anybody has an idea what happened.

Tilman

On 17.12.2022 13:51, Frédéric Ravetier wrote:
Thanks again.

Yes sorry, the test is not exactly the same, because our tool is now using visual signature. If necessary I can change the code to have invisible signature...

What can I do to go forward or help or...?

Le sam. 17 déc. 2022, 13:43, Tilman Hausherr <thaush...@t-online.de> a écrit :

    Thanks for trying this. This time the first signature is a visual
    signature. The stamp annotation object is 129, and my analysis is
    the same: that object was never provided in another incremental
    save, so I don't know why Adobe claims it was changed.

    And it gets weirder:
    I used NOTEPAD++ to get the previous revision of your last
    document. Then I signed that one with PDFBox example (latest 3.0
    snapshot) and I don't have the effect you mention, only a
    complaint that my signature is self-certified.


    Tilman

    On 17.12.2022 12:54, Frédéric Ravetier wrote:
    So I tried again with a PDF without a signature.
    I switch the jar on the tool that sign the PDF to use the snapshot
    I send the pdf to the tool to have a first signature
    I used my java program to add an annotation
    I send again the pdf to the tool for a second signature

    I still have the same behavior :(.
    This is the final PDF :
    
https://drive.google.com/file/d/1CV7lJ8dY1gDcx3rgHoW5yHJ612JSAK9B/view?usp=share_link


    Le sam. 17 déc. 2022 à 12:27, Frédéric Ravetier<fravet...@vikta.com>  
<mailto:fravet...@vikta.com>  a
    écrit :

    OK so my test was useless. I will try again

    Le sam. 17 déc. 2022, 11:30, Tilman Hausherr<thaush...@t-online.de>  
<mailto:thaush...@t-online.de>  a
    écrit :

    On 17.12.2022 11:19, Frédéric Ravetier wrote:
    Maybe I did not understand well.

    Should I use the snapshot version before the first signature ?
    You should use the snapshot to create the first signature, that's what I
    meant.

    My hope is that this Adobe behavior is related to that bug.

    No, the bug fix does not help with a document that already has that
    signature.

    Tilman


    Or the goal of the bug fix is to manage a document that contains this
    kind
    of initial signature which is invisible ? (which was my test, so it
    means
    the bug is not fix, or I did not test it correctly or this is another
    use
    case)

    Thanks
    Fred



    Le sam. 17 déc. 2022 à 05:16, Tilman Hausherr<thaush...@t-online.de>  
<mailto:thaush...@t-online.de>  a
    écrit :

    That new PDF also has that the initial signature does not appear in the
    page annotations (which was the bug fixed in the issue).

    Tilman

    On 16.12.2022 20:56, Frédéric Ravetier wrote:
    I tried to switch the jar on the environment where there is the
    application
    that sign the PDF in order to use the snapshot.
    Here the pdf I got :

    
https://drive.google.com/file/d/1zwV0i3SCQrqxRICpVWhbR09Of2FD0Ur7/view?usp=sharing
    But it looks the same in acrobat :(.

    Best regards,
    Fred

    Le ven. 16 déc. 2022 à 13:19, Frédéric Ravetier<fravet...@vikta.com>  
<mailto:fravet...@vikta.com>
    a
    écrit :

    I read the issue too quickly.
    The problem is on DSS side, and the jar file should be modified on my
    provider side. I will see if we can perform this test on a dev
    environment.
    Le ven. 16 déc. 2022 à 13:06, Tilman Hausherr<thaush...@t-online.de>  
<mailto:thaush...@t-online.de>
    a
    écrit :

    On 16.12.2022 12:59, Frédéric Ravetier wrote:
    Good idea, I can try to use the latest snapshot jar. Is there a
    snapshot build (jar) available?
    
https://repository.apache.org/content/groups/snapshots/org/apache/pdfbox/pdfbox-app/2.0.28-SNAPSHOT/
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