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https://issues.apache.org/jira/browse/PDFBOX-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166147#comment-13166147
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William Fausser commented on PDFBOX-1188:
-----------------------------------------

Thank You  Eric.

After applying the patch mentioned above by Guillaume, I get the following out 
put for test6.pdf:
/home/fausser/ps2pdfa/thisworks/test6.pdf is not valid, error(s) :
2.1.6 : Invalid Graphis object, Invalid version of the ICCProfile
1.0.7 : Syntax error, File seems buggy
1.2.7 : Body Syntax error, Filter specified in font file metadata dictionnary
1.0.7 : Syntax error, File seems buggy
2.4.3 : Invalid Color space, The operator "f" can't be used without Color 
Profile

Please note, test6.pdf passes both Callas Pdfapilot and Adobe Acrobat pro 10.x 
as a VALID PDF/A.
I am sorry for the confusion when giving the first pdf as an example........

                
> PDStream Exception  when using a Cast
> -------------------------------------
>
>                 Key: PDFBOX-1188
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1188
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel, Preflight
>            Reporter: William Fausser
>            Assignee: Eric Leleu
>             Fix For: 1.7.0
>
>         Attachments: bill_outPDFA.pdf, font_bad_metadata.patch, test6.pdf
>
>
> For some PDF/A, getDictionaryObject does not return COSStream but other 
> COSDictionary (super class)
> public PDMetadata getMetadata()
> {
>     PDMetadata retval = null;
>     COSStream mdStream = (COSStream)stream.getDictionaryObject( 
> COSName.METADATA );
>     if( mdStream != null )
>     {
>         retval = new PDMetadata( mdStream );
>     }
>     return retval;
> }
> org.apache.pdfbox.cos.COSDictionary cannot be cast to 
> org.apache.pdfbox.cos.COSStream
> at org.apache.pdfbox.pdmodel.common.PDStream.getMetadata(PDStream.java:508)
> at 
> net.padaf.preflight.font.AbstractFontValidator.checkFontFileMetaData(AbstractFontValidator.java:162)
> at 
> net.padaf.preflight.font.Type1FontValidator.checkFontFileElement(Type1FontValidator.java:228)
> at 
> net.padaf.preflight.font.Type1FontValidator.checkFontDescriptor(Type1FontValidator.java:125)
> at 
> net.padaf.preflight.font.SimpleFontValidator.validate(SimpleFontValidator.java:264)
> at 
> net.padaf.preflight.helpers.FontValidationHelper.validateFont(FontValidationHelper.java:107)
> at 
> net.padaf.preflight.helpers.FontValidationHelper.innerValidate(FontValidationHelper.java:90)
> at 
> net.padaf.preflight.helpers.AbstractValidationHelper.validate(AbstractValidationHelper.java:87)
> at 
> net.padaf.preflight.AbstractValidator.runValidation(AbstractValidator.java:134)
> at net.padaf.preflight.PdfA1bValidator.validate(PdfA1bValidator.java:90)
> at net.padaf.preflight.Validator_A1b.main(Validator_A1b.java:47)

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