Attempted to read past the end of the stream. about itextsharp.lgplv2.core

[VahidN]

How can I reproduce it? Where is your code?

[rh1314]

hi,code is shown below。pdf use `xxx.pdf`
/// <summary>
/// setWatermark
/// </summary>
/// <param name="inputfilepath"></param>
/// <param name="outputfilepath"></param>
/// <param name="waterMarkName"></param>
/// <param name="permission"></param>
public static void setWatermark(string inputfilepath, string outputfilepath, string waterMarkName)
    {
        PdfReader pdfReader = null;
        PdfStamper pdfStamper = null;
        try
        {
            pdfReader = new PdfReader(inputfilepath);
            pdfStamper = new PdfStamper(pdfReader, new FileStream(outputfilepath, FileMode.Create));
            int total = pdfReader.NumberOfPages + 1;
            iTextSharp.text.Rectangle psize = pdfReader.GetPageSize(1);
            float width = psize.Width;
            float height = psize.Height;
            PdfContentByte content;
            BaseFont font = BaseFont.CreateFont(@"C:\WINDOWS\Fonts\SIMFANG.TTF", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
            PdfGState gs = new PdfGState();
            for (int i = 1; i < total; i++)
            {
                content = pdfStamper.GetOverContent(i);                    
                gs.FillOpacity = 0.3f;
                content.SetGState(gs);
                content.BeginText();
                content.SetColorFill(BaseColor.LightGray);
                content.SetFontAndSize(font, 100);
                content.SetTextMatrix(0, 0);
                content.ShowTextAligned(Element.ALIGN_CENTER, waterMarkName, width / 2 - 50, height / 2 - 50, 55);
                content.EndText();
            }
        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {
            if (pdfStamper != null)
                pdfStamper.Close();
            if (pdfReader != null)
                pdfReader.Close();
        }
    }

[rh1314]

pdfStamper.Close();------ This leads to failure.

[VahidN]

I added a new test based on your code, and I can't reproduce your issue. It works:

Make sure you are using Version 1.5.0

Install-Package iTextSharp.LGPLv2.Core -Version 1.5.0

[rh1314]

test.pdf
sorry,try this。

[rh1314]

I use this too.
<PackageReference Include="iTextSharp.LGPLv2.Core" Version="1.5.0" />

[VahidN]

About your test.pdf. That file is a corrupted file and can't be opened with Adobe Reader:

[rh1314]

This file can be previewed in the browse。There are many files of this type。Can we solve it?

[rh1314]

It's normal to use this tool.
http://www.pdfdo.com/pdf-add-watermark.aspx

example

[VahidN]

Fixed it via #a2f225b

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