one more thing i want to add - the same outputted PDFs for printing that are
problematic when served up to the browser open just fine when opened
directly by Reader or Acrobat.
Paulo,
what is the likelihood my problem is the issue you just fixed, and if so
when do you expect it's release to be available?
thanks,
Jason
Paulo Soares-3 wrote:
>
> It's funny that I've just commited a change in the SVN to fix a
> multi-threading issue.
>
> Paulo
>
> ----- Original Message -----
> From: "Jty" <jason_ty...@hotmail.com>
> To: <itext-questions@lists.sourceforge.net>
> Sent: Friday, November 13, 2009 10:53 PM
> Subject: [iText-questions] Could not find XObject named '%s'. Browser
> locks
> up.
>
>
>
> i have a webapp that teachers use to fill out forms for special education.
>
> i just started using iTextSharp (latest v.) to take a data entry PDF and
> it's data via FDF, and render it into a completely new PDF containing just
> the original PDFs image. i do this to ensure i get the smallest file size
> possible when printing.
>
> i have an intermittent error that appears when the new printed PDF is
> served
> up to the browser. i get:
> "There was an error processing a page. Could not find XObject named '%s'."
> this ultimately locks up my browser.
>
> strangely enough, all signs point to this being a usage/load issue as it
> only happens to the PDFs that alot of users are interfacing with
> simultaneously.
>
> i'm not sure if its my code (see below) or the forms themselves (see
> attached). i find it interesting that i can not produce the error late at
> night when the server usage is down. also on a separate test server,
> using
> the same code, same PDFs, and zero usage everything works great!
>
> i appreciate any advice/insight anyone can provide.
>
> Jason
>
> Code:
>
> Private Sub OutputForm()
> Dim iTextReader As PdfReader
> Dim iTextStamper As PdfStamper
> Dim iTextWriter As PdfWriter
> Dim iTextDoc As Document
> Dim iTextImage As Image
> Dim iTextPage As PdfImportedPage
> Dim iTextFDF As FdfReader
> Dim memStm As New MemoryStream
> Dim iPage As Integer
> Dim sValue As String
> Dim htFields As New Hashtable
> Dim enField As IDictionaryEnumerator
>
> Try
> Dim sPDF As String = "C:\Form1.pdf"
>
> 'Read PDF & FDF into memory
> iTextReader = New PdfReader(sPDF)
> iTextFDF = New FdfReader(sPDF.Replace(".pdf", ".fdf"))
> iTextStamper = New PdfStamper(iTextReader, memStm)
> iTextReader.Close()
>
> 'Field Code
> htFields = iTextFDF.Fields
> enField = htFields.GetEnumerator
> While enField.MoveNext
> sValue = iTextFDF.GetFieldValue(enField.Key.ToString)
> If sValue.Length > 0 Then
> iTextStamper.AcroFields.SetField(enField.Key.ToString,
> sValue)
> End If
> End While
> iTextStamper.FormFlattening = True
> iTextStamper.Close()
>
> 'Create/Open Writer
> http://old.nabble.com/file/p26344825/Form1.pdf Form1.pdf
> http://old.nabble.com/file/p26344825/Form1.fdf Form1.fdf
> iTextReader = New PdfReader(memStm.ToArray)
> iTextDoc = New Document(IIf(iTextReader.GetPageSize(1).Height
> <
> iTextReader.GetPageSize(1).Width, iTextReader.GetPageSize(1).Rotate,
> iTextReader.GetPageSize(1)), 0, 0, 0, 0)
> iTextWriter = PdfWriter.GetInstance(iTextDoc, New
> FileStream("c:\Output.pdf", FileMode.Create))
> iTextWriter.SetFullCompression()
> iTextDoc.Open()
>
> 'Copy each page from Reader to Writer as image
> For iPage = 1 To iTextReader.NumberOfPages
> iTextPage = iTextWriter.GetImportedPage(iTextReader,
> iPage)
> iTextImage = Image.GetInstance(iTextPage)
> If iTextReader.GetPageSize(iPage).Height <
> iTextReader.GetPageSize(iPage).Width Then
> iTextImage.RotationDegrees = 90
> End If
> iTextDoc.Add(iTextImage)
> Next
> iTextDoc.Close()
>
> Catch ex As Exception
> System.Diagnostics.EventLog.WriteEntry("iText", ex.Source & "
> "
> & ex.Message & " " & ex.StackTrace)
> Finally
> iTextReader = Nothing
> iTextStamper = Nothing
> iTextWriter = Nothing
> iTextDoc = Nothing
> iTextImage = Nothing
> iTextPage = Nothing
> iTextFDF = Nothing
> memStm.Flush()
> memStm = Nothing
> htFields = Nothing
> End Try
> End Sub
>
> --
> View this message in context:
> http://old.nabble.com/Could-not-find-XObject-named-%27-s%27.-Browser-locks-up.-tp26344825p26344825.html
> Sent from the iText - General mailing list archive at Nabble.com.
>
>
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> You can also search the keywords list:
> http://1t3xt.info/tutorials/keywords/
>
>
--
View this message in context:
http://old.nabble.com/Could-not-find-XObject-named-%27-s%27.-Browser-locks-up.-tp26344825p26355876.html
Sent from the iText - General mailing list archive at Nabble.com.
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trial. Simplify your report design, integration and deployment - and focus on
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