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https://issues.apache.org/jira/browse/PDFBOX-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812832#comment-13812832
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William Palmer commented on PDFBOX-1757:
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With the latest 2.0.0-SNAPSHOT more files work, which is great, but the
following errors occur (only giving a sample file for each error):
040669.pdf: Expected pattern 'obj but missed at character 'o'
(producer:"Acrobat PDFWriter 4.0 for Windows", opens in Acrobat 10.1.0/Windows)
064034.pdf: Expected operator 'ID' actual='In' (producer:"Acrobat Distiller
8.1.0 (Windows)", opens in Acrobat 10.1.0/Windows)
189478.pdf: Expected an integer type, actual='f' (producer:"Acrobat PDFWriter
4.05 for Windows NT", opens in Acrobat 10.1.0/Windows)
219789.pdf: Error expected floating point number actual='1e' (producer:"Acrobat
Distiller 4.0 for Windows", opens in Acrobat 10.1.0/Windows)
247224.pdf: Unknown dir object c='>' cInt=62 peek='>' peekInt=62 3012537
(producer:"Acrobat Distiller 7.0.5 (Windows)", opens in Acrobat 10.1.0/Windows)
379049.pdf: Expected operator 'ID' actual='Im' (producer:"Acrobat Distiller 6.0
(Windows)", opens in Acrobat 10.1.0/Windows)
392154.pdf: Expected a long type, actual='ref' (producer:"Acrobat PDFWriter 4.0
for Windows NT", opens in Acrobat 10.1.0/Windows)
427669,pdf: Expected a long type, actual='f' (producer:"Acrobat Distiller 4.05
for Macintosh", opens in Acrobat 10.1.0/Windows)
443752.pdf: Expected operator 'ID' actual='I)' (producer:"Acrobat Distiller
3.02", opens in Acrobat 10.1.0/Windows)
492484.pdf: Expected an integer type, actual='n' (producer:"Acrobat PDFWriter
4.0 for Windows", opens in Acrobat 10.1.0/Windows)
498264.pdf: Expected a long type, actual='' (file looks empty in Acrobat - no
error given though. producer: "Mac OS X 10.2.6 Quartz PDFContext")
When closing some of these files in Acrobat it asks if I want to save them -
possibly as it has fixed them? However, they open without displaying an error.
Do you know if they also look like WONTFIX errors in the PDFs from a PDFBox
point of view?
Thanks
> Errors parsing/extracting text from a PDF
> -----------------------------------------
>
> Key: PDFBOX-1757
> URL: https://issues.apache.org/jira/browse/PDFBOX-1757
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 1.8.2
> Environment: Ubuntu Linux & Windows 7 (both JDK6)
> Reporter: William Palmer
> Assignee: Timo Boehme
> Priority: Minor
>
> I am trying to extract text from PDFs. Extracting text from the test file
> http://digitalcorpora.org/corp/nps/files/govdocs1/020/020747.pdf causes
> exceptions to be thrown.
> The first:
> Exception in thread "main" java.lang.RuntimeException: java.io.IOException:
> Value is not an integer: 636121514401477526485946144
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser$1.tryNext(PDFStreamParser.java:187)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser$1.hasNext(PDFStreamParser.java:194)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:255)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
> at
> org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:455)
> at
> org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:379)
> at
> org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:335)
> Caused by: java.io.IOException: Value is not an integer:
> 636121514401477526485946144
> at org.apache.pdfbox.cos.COSNumber.get(COSNumber.java:104)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser.parseNextToken(PDFStreamParser.java:351)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser.access$000(PDFStreamParser.java:46)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser$1.tryNext(PDFStreamParser.java:182)
> Code to cause above exception:
> PDFTextStripper ts = new PDFTextStripper();
> PrintWriter out = new PrintWriter(new FileWriter(new File ("020747.txt")));
> PDDocument doc = PDDocument.load(new File("020747.pdf").toURI().toURL(),
> true);
> ts.setForceParsing(true);
> ts.writeText(doc, out);
> Using the following code causes a different exception until
> org.apache.pdfbox.baseParser.pushBackSize is increased (only tested 1024768).
> After it is increased I get basically the same exception as above
> PrintWriter out = new PrintWriter(new FileWriter(new File("020747.txt")));
> PDFParser parser = new PDFParser(new FileInputStream(new File("020747.pdf")));
> parser.parse();
> PDFTextStripper ts = new PDFTextStripper();
> ts.setForceParsing(true);
> ts.writeText(parser.getPDDocument(), out);
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