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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-1742) StackOverflowError parsing a PDF with ExtractInlineImages=true
Date Wed, 30 Sep 2015 17:51:05 GMT

    [ https://issues.apache.org/jira/browse/TIKA-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938166#comment-14938166
] 

Hudson commented on TIKA-1742:
------------------------------

SUCCESS: Integrated in tika-trunk-jdk1.7 #860 (See [https://builds.apache.org/job/tika-trunk-jdk1.7/860/])
clean up from TIKA-1742 and TIKA-1748 (tallison: [http://svn.apache.org/viewvc/tika/trunk/?view=rev&rev=1706092])
* trunk/tika-parsers/src/main/java/org/apache/tika/parser/pdf/PDFParserConfig.java
* trunk/tika-parsers/src/test/java/org/apache/tika/parser/microsoft/PowerPointParserTest.java
TIKA-1742 prevent infinite recursion while processing inline images in PDFs by limiting extraction
to unique images per page...following Tilman Hausherr's solution on PDFBox (tallison: [http://svn.apache.org/viewvc/tika/trunk/?view=rev&rev=1706086])
* trunk/CHANGES.txt
* trunk/tika-parsers/src/main/java/org/apache/tika/parser/pdf/PDF2XHTML.java
* trunk/tika-parsers/src/main/java/org/apache/tika/parser/pdf/PDFParserConfig.java


> StackOverflowError parsing a PDF with ExtractInlineImages=true
> --------------------------------------------------------------
>
>                 Key: TIKA-1742
>                 URL: https://issues.apache.org/jira/browse/TIKA-1742
>             Project: Tika
>          Issue Type: Bug
>          Components: parser
>    Affects Versions: 1.10
>            Reporter: Nathan Dire
>
> Here's the file:
> http://nlp.stanford.edu/~socherr/EMNLP2013_RNTN.pdf
> Code to repro ({{ExtractInlineImages}} must be true):
> {noformat}
>     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();
>     }
> {noformat}
> Error (infinite recursion in {{extractImages}}):
> {noformat}
> 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)
> {noformat}



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