I'll need a small standalone program and any needed PDF files so that I can
reproduce the problem. If the PDFs have sensible information you may send it
privately to me.
Paulo
> -----Original Message-----
> From: Kevin Day [mailto:[EMAIL PROTECTED]
> Sent: Monday, October 13, 2008 5:01 PM
> To: itext-questions-request@
> Subject: Re: [iText-questions] 'Could not find XObject named
> Xi1' error afterusing PdfCopy with PageStamp
>
>
> Thanks for getting back to me - I think that we are seeing
> something more involved - I'll include some of the data from
> the resultant PDF and explain why I think so...
>
>
> The source file for the stamp is very simple - just an MS
> Word document with a single word on it printed to PDF - no
> annotations, no form fields, etc...
>
> The problem is highly repeatable with a number of different
> stamp sources.
>
> I'm running with latest code from iText SVN HEAD.
>
>
> Just in case it helps, here is the PDF object for the second
> page (which gives the error about object Xi1 missing):
>
> 14 0 obj
> <</CropBox[0 0 612 792]/Parent 9 0 R/Type/Page/Contents[12 0
> R 6 0 R 13 0 R]/Resources<</ProcSet [/PDF /Text /ImageB
> /ImageC /ImageI]/XObject<</Xi1 11 0
> R>>/ColorSpace<</CS1[/Pattern/DeviceGray]/CS2[/Pattern/DeviceR
> GB]>>/Font<</F9 15 0 R>>>>/MediaBox[0 0 612 792]/Rotate 0>>
> endobj
>
> It appears that XObject named Xi1 is backed by object 11 0
> obj - but there is no object 11 0 obj in the PDF file at all.
> That explains the error message in Acrobat, at least.
>
> Even more interesting is the xref table in the PDF:
>
> xref
> 0 25
> 0000000000 65535 f
> 0000000000 65536 n
> 0000005347 00000 n
> 0000000015 00000 n
> 0000000091 00000 n
> 0000003312 00000 n
> 0000000193 00000 n
> 0000002275 00000 n
> 0000002037 00000 n
> 0000017890 00000 n
> 0000000000 65536 n
> 0000000000 65536 n
> 0000003598 00000 n
> 0000003675 00000 n
> 0000005056 00000 n
> 0000004017 00000 n
> 0000003778 00000 n
> 0000005842 00000 n
> 0000006072 00000 n
> 0000006209 00000 n
> 0000006471 00000 n
> 0000006852 00000 n
> 0000017868 00000 n
> 0000017948 00000 n
> 0000017994 00000 n
>
>
> According to this, object 11 is at offset 0 with generation
> number 65536 - doesn't seem right, does it?
>
>
> Finally, I found the following listserv in the archives that
> describe something similar to what I'm seeing (it's on the
> dot-net list, but maybe I'm running into a similar issue on
> the Java side??):
>
> http://www.nabble.com/Using-underlays-with-PdfCopy-tt15485168.
> html#a15485168
>
>
> Any ideas on what might be going on here? It seems almost
> like object 11 0 is just not being written to the output
> stream somehow...
>
> - K
>
> ----------------------- Original Message -----------------------
>
> From: "Paulo Soares" <[EMAIL PROTECTED]>
> To: "Post all your questions about iText here"
> <[email protected]>
> Cc:
> Date: Sun, 12 Oct 2008 18:45:19 +0100
> Subject: Re: [iText-questions] 'Could not find XObject named
> Xi1' error afterusing PdfCopy with PageStamp
>
> You may call getImportedPage on the same reader more than
> once only if the
> pages doesn't ahave any annotation.
>
> Paulo
>
> ----- Original Message -----
> From: "Kevin Day" <[EMAIL PROTECTED]>
> To: "itext-questions-request@" <lists.sourceforg
> [email protected]>
> Sent: Saturday, October 11, 2008 12:35 AM
> Subject: [iText-questions] 'Could not find XObject named Xi1' error
> afterusing PdfCopy with PageStamp
>
>
> We are having a problem with PdfCopy (and PdfSmartCopy)
> generating PDFs that
> give the following error in Acrobat when navigating to any
> page except the
> first page:
>
> Could not find XObject named 'Xi1'
>
>
> The stamped content appears on the first page of the PDF
> only. Subsequent
> pages show the original content, but not the stamp content.
>
>
> We have traced the trigger to whether we re-instantiate the
> PdfReader used
> for the content source of the stamp for every single output
> page. If we
> re-use the PdfReader from page to page, we get the above
> error. If we
> create a new PdfReader for every page, we do not get the above error.
>
>
> Here is test code that will recreate the problem (if you change
> resetStampEachPage to true, the PDF generated behaves properly):
>
>
> public void mergeAndStampPdf(File[] in, File out, File
> stamp) throws
> Exception {
> Document document = new Document();
>
> PdfCopy writer = new PdfSmartCopy(document, new
> FileOutputStream(out));
>
> document.open();
>
> boolean resetStampEachPage = false;
> int stampPageNum = 1;
> PdfReader stampReader = new PdfReader(stamp.getPath());
> for (int inNum = 0; inNum < in.length; inNum++){
> // create a reader for the input document
> PdfReader documentReader = new
> PdfReader(in[inNum].getPath());
>
> for (int pageNum = 1; pageNum <=
> documentReader.getNumberOfPages(); pageNum++){
>
> // import a page from the main file
> PdfImportedPage mainPage =
> writer.getImportedPage(documentReader, pageNum);
>
> // make a stamp from the page and get under content...
> PdfCopy.PageStamp pageStamp =
> writer.createPageStamp(mainPage);
>
> // import a page from a file with the stamp...
> if (resetStampEachPage)
> stampReader = new PdfReader(stamp.getPath());
> PdfImportedPage stampPage =
> writer.getImportedPage(stampReader, stampPageNum++);
>
> // add the stamp template, update stamp, and
> add the page
> pageStamp.getOverContent().addTemplate(stampPage, 0, 0);
> pageStamp.alterContents();
> writer.addPage(mainPage);
>
> if (stampPageNum > stampReader.getNumberOfPages())
> stampPageNum = 1;
> }
> }
>
> writer.close();
> document.close();
> }
>
>
>
> It seems odd to me that it wouldn't be legal to call
> getImportedPage on the
> same reader more than once (after all, we are calling
> getImportedPage on the
> source file reader multiple times without issue).
>
> I noticed in the source for PdfCopy#createPageStamp() that it
> says that it
> modifies the Reader instance, but I'm assuming this refers to
> the reader
> associated with the page passed in to createPageStamp.
>
> Any ideas on what's going on here (or are we mis-using something)?
>
> Thanks!
>
> - K
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