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Non-negative number required - compressed object https://forum.pdfsharp.net/viewtopic.php?f=3&t=3567 |
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Author: | suresh.kau05 [ Fri Apr 07, 2017 12:06 pm ] | ||
Post subject: | Non-negative number required - compressed object | ||
Hi Team, We are using PdfSharp 1.3 version, while processing the PDF file we are getting error "Non-negative number required". So to check the issue we have downloaded the latest version 1.5 beta 3 and checking in debug mode. I am getting this issue while reading the below code when it tries to read the indirect objects from the PDF file. File Name: PdfReader.cs PdfReference[] irefs = document._irefTable.AllReferences PdfReference iref = irefs[idx]; if (iref.Value == null) Getting the below error message: Exception message: Non-negative number required. Parameter name: value Observation while debugging the source code, I found in the below section of // 3rd: Create iRefs for all compressed objects. PdfCrossReferenceStream.CrossReferenceStreamEntry item = xrefStream.Entries[idx2]; // Is type xref to compressed object? if (item.Type == 2) { // Here it is adding the null value in the dictionary object named "objectStreams" } Please find below stack trace details: at System.IO.FileStream.set_Position(Int64 value) at PdfSharp.Pdf.IO.Lexer.set_Position(Int32 value) in ..\PDFsharp\src\PdfSharp\Pdf.IO\Lexer.cs:line 71 at PdfSharp.Pdf.IO.Parser.MoveToObject(PdfObjectID objectID) in ..\PDFsharp\src\PdfSharp\Pdf.IO\Parser.cs:line 80 at PdfSharp.Pdf.IO.Parser.ReadObject(PdfObject pdfObject, PdfObjectID objectID, Boolean includeReferences, Boolean fromObjecStream) in ..\PDFsharp\src\PdfSharp\Pdf.IO\Parser.cs:line 121 at PdfSharp.Pdf.IO.Parser.GetStreamLength(PdfDictionary dict) in ..\PDFsharp\src\PdfSharp\Pdf.IO\Parser.cs:line 333 at PdfSharp.Pdf.IO.Parser.ReadObject(PdfObject pdfObject, PdfObjectID objectID, Boolean includeReferences, Boolean fromObjecStream) in ..\PDFsharp\src\PdfSharp\Pdf.IO\Parser.cs:line 263 at PdfSharp.Pdf.IO.PdfReader.Open(Stream stream, String password, PdfDocumentOpenMode openmode, PdfPasswordProvider passwordProvider) in ..\PDFsharp\src\PdfSharp\Pdf.IO\PdfReader.cs:line 430 Please find attached file for More Information. Please help to sort out the issue with the PDFsharp 1.5 beta version. Thanks & Regards, Suresh
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Author: | chameleon [ Wed May 17, 2023 6:05 am ] |
Post subject: | Re: Non-negative number required - compressed object |
same error happened on my api .net core 5 and this lib version 1.50.5147 |
Author: | TH-Soft [ Wed May 17, 2023 6:39 am ] |
Post subject: | Re: Non-negative number required - compressed object |
chameleon wrote: same error happened on my api .net core 5 and this lib version 1.50.5147 If you are able to replicate the issue with the latest preview of PDFsharp 6.0.0, please use the Issue Submission Template to let us investigate it.https://docs.pdfsharp.net/General/IssueReporting.html |
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