OK - got it I think

> Am 21.10.2016 um 22:04 schrieb Maruan Sahyoun <[email protected]>:
> 
> Mhmm 
>> Am 21.10.2016 um 21:38 schrieb Tilman Hausherr <[email protected]>:
>> 
>> Am 21.10.2016 um 15:24 schrieb Angelova, Maya (KV-Telematik):
>>> Dear Maruan,
>>> 
>>> Here you can download the pdf:
>>> https://repository.kv-telematik.de/service/local/repositories/resources/content/de/kvtelematik/resources/1.0.0/resources-1.0.0.pdf
>> 
>> Hello Maya,
>> 
>> Thanks for the file. However according to ISO 19005-1:2005/Cor.2:2011: In a 
>> linearized PDF, if the ID keyword is present in both the first page trailer 
>> dictionary and the last trailer dictionary, the value to both instances of 
>> the ID keyword shall be identical.
>> https://github.com/veraPDF/veraPDF-corpus/wiki/PDFA-1b-test-corpus
>> also mentioned in the discussion at
>> https://issues.apache.org/jira/browse/PDFBOX-2502
>> 
>> In your file, the ID is different. (have a look with NOTEPAD++)
>> 
>> So normally I'd say your file is not PDF/A-1b. The only thing that makes me 
>> insecure, is that the PDF Tools folks are usually right….
> 
> Acrobat also treats it as valid

as there was an incremental update to the file it's no longer treated as 
linearized and as such the provision doesn't apply. @Tilman WDYT?

BR
Maruan


> 
> Maruan
> 
>> 
>> Tilman
>> 
>>> 
>>> Best regards,
>>> 
>>> Maya
>>> ________________________________________
>>> Von: Maruan Sahyoun [[email protected]]
>>> Gesendet: Freitag, 21. Oktober 2016 14:52
>>> An: [email protected]
>>> Betreff: Re: Pdf/A signed twice is falsely processed as invalid
>>> 
>>> Dear Maya,
>>>> Am 21.10.2016 um 14:10 schrieb Angelova, Maya (KV-Telematik) 
>>>> <[email protected]>:
>>>> 
>>>> Hello guys,
>>>> 
>>>> I have the following problem using apache.pdfbox when validating a valid 
>>>> PDF/A-1 file, which is being signed twice:
>>>> 1. The online validator confirms that the file is valid 
>>>> (https://www.pdf-tools.com/pdf/validate-pdfa-online.aspx)
>>>> 2. But when I validate it using the following code:
>>>> <code>
>>>> PreflightParser parser = new PreflightParser(byteDatasource);
>>>> parser.parse();
>>>> PreflightDocument document = parser.getPreflightDocument();
>>>> document.validate();
>>>> result = document.getResult();
>>>> </code>
>>>> 3. The file is linearized
>>>> 4. I get that the file is invalid and the error description reads:
>>>> <i>Trailer Syntax error, ID is different in the first and the last 
>>>> trailer</i>
>>>> 
>>>> According to issues PDFBOX-3256 and PDFBOX-2502 this should be fixed?
>>>> Could anyone give me a tip how to go around this problem or would that be 
>>>> a bug?
>>>> The pdf file is attached.
>>> the attachement didn't make it onto the list as attachments are not 
>>> allowed. Could you upload it to a public location?
>>> 
>>> BR
>>> Maruan
>>> 
>>>> Best regards,
>>>> 
>>>> Maya
>>>> <TestdateizweimalSigniert.pdf>
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