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How to handle Error "Unexpected token ObjectStart before 24" when Loading PDF

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126000 Sep 16,2016 01:36 PM UTC Feb 5,2018 09:50 AM UTC UWP 3
loading
Tags: Pdf
Raymond Osterbrink
Asked On September 16, 2016 01:36 PM UTC

Hi,
when Loading a specific Pdf created by stimulsoft-reports (attached) I get an unhandled Error called:
This is my StackTrace:
at Syncfusion.Pdf.IO.PdfParser.Error(ErrorType error, String additional)
at Syncfusion.Pdf.IO.PdfParser.Parse()
at Syncfusion.Pdf.IO.PdfParser.Parse(Int64 offset)
at Syncfusion.Pdf.IO.CrossTable.GetObject(IPdfPrimitive pointer)
at Syncfusion.Pdf.IO.PdfCrossTable.GetObject(IPdfPrimitive pointer)
at Syncfusion.Pdf.Primitives.PdfReferenceHolder.get_Index()
at Syncfusion.Pdf.Primitives.PdfReferenceHolder.GetObject()
at Syncfusion.Pdf.Primitives.PdfReferenceHolder.get_Object()
at Syncfusion.Pdf.IO.PdfCrossTable.Dereference(IPdfPrimitive obj)
at Syncfusion.Pdf.IO.PdfCrossTable.get_DocumentCatalog()
at Syncfusion.Pdf.Parsing.PdfLoadedDocument.GetCatalog()
at Syncfusion.Pdf.Parsing.PdfLoadedDocument.LoadDocument(Stream file)
at Syncfusion.Pdf.Parsing.PdfLoadedDocument..ctor(Stream file)
at Syncfusion.Pdf.Parsing.PdfLoadedDocument..ctor(Byte[] file)
at SyncfusionPDF.MainPage.d__5.MoveNext()
a test-pdf I got fromhttp://www.orimi.com/pdf-test.pdf was processed fine
what is the reason for this error, since it can't come from code?

Attachment: test_eef798b7.zip

Sasi Kumar Sekar [Syncfusion]
Replied On September 20, 2016 12:18 PM UTC

Hi Raymond, 

Thank you for contacting Syncfusion support, 

We confirmed that the issue with unexpected token object start before 24 is a defect and we logged a defect report. The fix for the patch will be available in our Essential studio volume 3 service pack 1, 2016 release. 

Please let us know If you have any concern on this.  

Regards, 
Sasi Kumar S. 


Raymond Osterbrink
Replied On February 2, 2018 01:43 PM UTC

Hello,
My Request is 17 month old, I'm using the recent release Version 15.4460.0.20 still, this problem is not fixed. I'm quiet disapointed.
Regards 

Sowmiya Loganathan [Syncfusion]
Replied On February 5, 2018 09:50 AM UTC

Hi Raymond, 

The patch for the issue “Unexpected token object start before 24 when loading the document” has been already included in the product version 15.4460.0.20( volume 3 service pack 1, 2016 release).  
 
Since the previously provided document is corrupted, we should load the document with OpenAndRepair parameter, please refer below snippet for your reference. 
 
PdfLoadedDocument document = new PdfLoadedDocument(docStream, true); 


Note: The OpenAndRepair overload is capable of resolving basic cross reference offset issues and cannot repair complex document corruption. 

Please let us know if you need any further assistance. 

Regards, 
Sowmiya L 


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