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ConvertHtml exception Options
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Yashar
Posted: Friday, October 24, 2025 5:13:37 AM
Rank: Newbie
Groups: Member

Joined: 10/24/2025
Posts: 3
While using ConvertHtml we are facing some issues, it converts html fine for a while but then stops working. We're using the latest build, 25.2.64 via nuget, this is on a function app (consumption plan) running .net 6.

Restarting the Function App fixes the issue for a short while.
Exception below:

The request was canceled.
EO.Pdf.HtmlToPdfException:
at EO.Pdf.HtmlToPdfException.smeb (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.sqdh.tehw (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.sqdh.sbtc (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.sbtc (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.sbtc (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.LoadHtml (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf+witp.lfnj (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.tjob (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.tjoa (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=25.2.64.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at Zetadocs.Utilities.EmailToPdfConverterService.ConvertHtmlToPdf (Zetadocs.Utilities, Version=1.0.25296.2, Culture=neutral, PublicKeyToken=e139abe62dd951e0: D:\a\1\s\Zetadocs.Utilities\EmailtoPdfConverterService.cs:266)
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eo_support
Posted: Friday, October 24, 2025 12:46:24 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,451
Hi,

This appears to be an issue on our end. We are looking into it and we reply again as soon as we find anything.

Thanks!
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Yashar
Posted: Friday, November 21, 2025 6:24:37 AM
Rank: Newbie
Groups: Member

Joined: 10/24/2025
Posts: 3
Hi,

Any update on this?

Thanks

eo_support wrote:
Hi,

This appears to be an issue on our end. We are looking into it and we reply again as soon as we find anything.

Thanks!
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eo_support
Posted: Friday, November 21, 2025 10:43:09 AM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,451
Hi,

We did find an issue related to base Url that can cause ConvertHtml to fail and this issue has been fixed in our new 2026 build. However we are still working on a few more issues that can potentially cause ConvertHtml to fail. Without detailed internal log it is impossible for us to verify whether the issue was indeed fixed. We are planing to work out those issues first and then have you switch to the new build and capture logs. If the problem still occurs after that, then we can further narrow it down with logs and go from there.

Thanks!
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eo_support
Posted: Tuesday, December 16, 2025 11:25:42 AM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,451
Hi,

This is just to let you know that we have posted build 26.0.34 that fixed the remaining issues that we have discovered. You can download the new build from our download page. Please take a look and let us know if you still see any issues.

Thanks
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Yashar
Posted: Monday, January 12, 2026 10:58:36 AM
Rank: Newbie
Groups: Member

Joined: 10/24/2025
Posts: 3
Hi,

I totally missed this, I have now installed 26.0.34 (via NuGet) but unfortunately run into an exception now: Failed on command 4: ( @12/01/2026, 15:52 UK Time), exception details below:

Exception type EO.Internal.xamp
Failed method EO.Internal.przd.fxoc
Problem Id EO.Internal.xamp at EO.Internal.przd.fxoc

Stack Trace:
EO.Pdf.HtmlToPdfException:
at EO.Pdf.HtmlToPdfException.xaxo (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfException.xaxn (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pruk.chpb (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pruk.chpb (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.RenderAsPDF (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf+gahv.ykhl (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.rptb (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.rpta (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)

Inner exception EO.Internal.xamp handled at EO.Pdf.HtmlToPdfException.xaxo:
at EO.Internal.przd.fxoc (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przd.fxob (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przd.fxoa (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przj.kdck (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przj.kdcv (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przj.yogs (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pruk.yogs (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pruk.chpb (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)



I did also originally have this error: Failed to register DLL data. (@ 08/01/2026, 15:17:55 UK time, EO.Internal.pehf+irrf.arye) - Though re-deploying seems to have sorted this one. Inner exception stack trace:

EO.Pdf.HtmlToPdfException:
at EO.Pdf.HtmlToPdfException.xaxo (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.prze.segc (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przf.segc (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przg.segc (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przj.kdbr (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.przj..ctor (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.rtoe (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession..ctor (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdfSession.Create (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.rptb (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.rpta (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Pdf.HtmlToPdf.ConvertHtml (EO.Pdf, Version=26.0.34.0, Culture=neutral,
Inner exception System.Exception handled at EO.Pdf.HtmlToPdfException.xaxo:
at EO.Internal.pehf+irrf.arye (EO.Base, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pehf.ible (EO.Base, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pehf.awug (EO.Base, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pehg.awug (EO.Base, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.acko.pbte (EO.WebEngine, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.acko+srys.oqcx (EO.WebEngine, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.pecu.fnjz (EO.Base, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.acko.jmhk (EO.WebEngine, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.WebEngine.Engine.Start (EO.WebEngine, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.WebEngine.Engine.Start (EO.WebEngine, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)
at EO.Internal.prze.segc (EO.Pdf, Version=26.0.34.0, Culture=neutral, PublicKeyToken=e92353a6bf73fffc)

Let me know if you need anymore information.

Thanks
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eo_support
Posted: Monday, January 12, 2026 4:40:53 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,451
Hi,

This maybe caused by insufficient memory. Do you get this error every time consistently or only sometimes? Can you capture the runtime log when this occurs and send us the runtime log? See here for more details on how to capture runtime log:

https://www.essentialobjects.com/doc/common/collect_logs.html

Thanks
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