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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4446) Tolerate some incorrect Xref in PDF file
Date Tue, 29 Jan 2019 04:55:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16754600#comment-16754600
] 

Tilman Hausherr commented on PDFBOX-4446:
-----------------------------------------

Can you attach a file that has the problem or is it confidential?

> Tolerate some incorrect Xref in PDF file
> ----------------------------------------
>
>                 Key: PDFBOX-4446
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4446
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Parsing
>    Affects Versions: 2.0.14, 3.0.0 PDFBox
>            Reporter: DerekLiu
>            Priority: Major
>
> Some PDF file may not have correct Xref, and we should tolerate them. Or just log an
error but not raise exception.
> {code}
>  pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java | 3 +++
>  1 file changed, 3 insertions(+)
> diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
> index 8ca955ed2..b2b28b258 100644
> --- a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
> +++ b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/COSParser.java
> @@ -721,6 +721,9 @@ public class COSParser extends BaseParser
>                                      }
>                                  }
>  
> +                                if( fileOffset == null ) {
> +                                  continue;
> +                                }
>                                  List<COSObject> stmObjects = objToBeParsed.get(fileOffset);
>                                  if (stmObjects == null)
>                                  {
> {code}



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