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Posted to dev@pdfbox.apache.org by "Tim Allison (JIRA)" <ji...@apache.org> on 2015/07/07 21:41:04 UTC
[jira] [Resolved] (PDFBOX-2855) Allow some flexibility for
divergences from the standard on Seq vs Bag in DomXMPParser
[ https://issues.apache.org/jira/browse/PDFBOX-2855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tim Allison resolved PDFBOX-2855.
---------------------------------
Resolution: Won't Fix
> Allow some flexibility for divergences from the standard on Seq vs Bag in DomXMPParser
> --------------------------------------------------------------------------------------
>
> Key: PDFBOX-2855
> URL: https://issues.apache.org/jira/browse/PDFBOX-2855
> Project: PDFBox
> Issue Type: Improvement
> Reporter: Tim Allison
>
> While working on TIKA-1285 (migrate to PDFBox 2.0.0), [~rpialum] noticed that the DomXmpParser was failing on some XMP with:
> {noformat}
> org.apache.xmpbox.xml.XmpParsingException: Invalid array type, expecting Seq and found Bag [prefix=dc; name=creator]
> at org.apache.xmpbox.xml.DomXmpParser.manageArray(DomXmpParser.java:449)
> at org.apache.xmpbox.xml.DomXmpParser.createProperty(DomXmpParser.java:338)
> at org.apache.xmpbox.xml.DomXmpParser.parseChildrenAsProperties(DomXmpParser.java:305)
> at org.apache.xmpbox.xml.DomXmpParser.parseDescriptionRoot(DomXmpParser.java:234)
> at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:198)
> at org.apache.tika.parser.pdf.PDFParser.extractMetadata(PDFParser.java:202)
> {noformat}
> One file that triggers this is available on Tika-1252 [here| https://issues.apache.org/jira/secure/attachment/12632592/Sample%20%28Acrobat%204.x%29.pdf ]
> The raw xmp for that file includes:
> {noformat}
> <dc:creator>
> <rdf:Bag>
> <rdf:li>Single Author</rdf:li>
> </rdf:Bag>
> </dc:creator>
> {noformat}
> On TIKA-1252, I confirmed that this is against the spec [link|https://issues.apache.org/jira/browse/TIKA-1252?focusedCommentId=13919846&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13919846] and [~alexandre.madurell@gmail.com] confirmed that this was what Acrobat was generating [link|https://issues.apache.org/jira/browse/TIKA-1252?focusedCommentId=13919858&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13919858].
> So, would it be easy enough to allow for some divergence from the standard?
> Code to reproduce issue in tika setup:
> {noformat}
> @Test
> public void oneOffMetadataTest() throws Exception {
> PDDocument doc = PDDocument.load(this.getClass().getResourceAsStream("/test-documents/sampleAcrobat_4_x.pdf"));
> DomXmpParser p = new DomXmpParser();
> p.setStrictParsing(false);
> p.parse(doc.getDocumentCatalog().getMetadata().exportXMPMetadata());
> }
> {noformat}
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