Tilman Hausherr created PDFBOX-2679:
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Summary: Blank page rendered with wrong xref start objid
Key: PDFBOX-2679
URL: https://issues.apache.org/jira/browse/PDFBOX-2679
Project: PDFBox
Issue Type: Bug
Components: Parsing
Affects Versions: 2.0.0
Reporter: Tilman Hausherr
>From Kevin M. on the users mailing list:
A confidential file doesn't display its image because the objid is
unaccessible, due to a malformed xref table:
{code}
xref
1 7
0000000000 65535 f
0000000009 00000 n
0000358745 00000 n
0000358842 00000 n
0000359029 00000 n
0000359087 00000 n
0000359138 00000 n
trailer
{code}
The first number (1) means the number of the first object. So it would be 1.
The second number(7) is the size of the table. The number 1 is incorrect, it
should be 0, because "0000000000 65535 f" is the dummy object 0.
>From the pdf spec:
{quote}The free entries in the cross-reference table form a linked list, with
each free entry containing the object number of the next. The first entry in
the table (object number 0) is always free and has a generation number of
65,535; it is the head of the linked list of free objects {quote}
The error messages are:
Can't find the object 7 0 (origin offset 359138)
Missing XObject: Im1 (Im1 is the object at 7 0, and is the missing image)
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