[TIKA-1742] StackOverflowError parsing a PDF with ExtractInlineImages=true

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.10
• Component/s: parser
• Assignee: Unassigned
• Reporter: Nate Dire
• Created: 22/Sep/15 21:19
• Updated: 30/Sep/15 17:50
• Resolved: 30/Sep/15 17:05

Description

Here's the file:
http://nlp.stanford.edu/~socherr/EMNLP2013_RNTN.pdf

Code to repro (ExtractInlineImages must be true):

    Parser parser = new PDFParser();
    Metadata metadata = new Metadata();
    ParseContext context = new ParseContext();
    PDFParserConfig config = new PDFParserConfig();
    ContentHandler handler = new DefaultHandler();

    config.setExtractInlineImages(true);
    config.setExtractUniqueInlineImagesOnly(false);

    context.set(PDFParserConfig.class, config);
    context.set(Parser.class, parser);

    InputStream is = new BufferedInputStream(new FileInputStream(args[0]));
    try {
      parser.parse(is, handler, metadata, context);
    } finally {
      is.close();
    }

Error (infinite recursion in extractImages):

Exception in thread "main" java.lang.StackOverflowError
	at java.util.LinkedHashMap$Entry.addBefore(LinkedHashMap.java:340)
	at java.util.LinkedHashMap$Entry.access$600(LinkedHashMap.java:320)
	at java.util.LinkedHashMap.createEntry(LinkedHashMap.java:444)
	at java.util.HashMap.addEntry(HashMap.java:888)
	at java.util.LinkedHashMap.addEntry(LinkedHashMap.java:427)
	at java.util.HashMap.put(HashMap.java:509)
	at org.apache.pdfbox.cos.COSDictionary.setItem(COSDictionary.java:246)
	at org.apache.pdfbox.pdmodel.common.COSDictionaryMap.convert(COSDictionaryMap.java:206)
	at org.apache.pdfbox.pdmodel.PDResources.setXObjects(PDResources.java:331)
	at org.apache.pdfbox.pdmodel.PDResources.getXObjects(PDResources.java:269)
	at org.apache.tika.parser.pdf.PDF2XHTML.extractImages(PDF2XHTML.java:310)
	at org.apache.tika.parser.pdf.PDF2XHTML.extractImages(PDF2XHTML.java:319)
	at org.apache.tika.parser.pdf.PDF2XHTML.extractImages(PDF2XHTML.java:319)
	at org.apache.tika.parser.pdf.PDF2XHTML.extractImages(PDF2XHTML.java:319)
	at org.apache.tika.parser.pdf.PDF2XHTML.extractImages(PDF2XHTML.java:319)

Issue Links

• depends upon: PDFBOX-2988 Infinite recursion in ExtractImages 1.8.11-SNAPSHOT
• relates to: TIKA-1038 Parsing PDF with StackOverlowError