PDF rendering issue, anyone else seen this?

Question

For a while now we have been battling a problem with PDF rendering issues, the PDFs show empty boxes, irregular text formatting and also display of hidden controls and fields on the PDFs.

We use the SaveAsPDF control on forms, then attach and send the PDF via emails.

When the user opens the PDF. they see that the PDF rendering is misaligned and show empty boxes like this:

These below should be hidden:

We have a workaround which is to do a k2 service restart and iis reset, this fixes the issue for around 1-3 hours and PDFs are fine, but then the PDFs go back to be as above.

We have a ticket in with Nintex for this, but just wondering if anyone else has come across this? I’ve searched the forum and checked pdf converter permissions, security etc etc. Added a pdfconverter.warmup delay in the k2hostserver.exe.config and also Installed service/fix packs.

Any suggestions from the community would be appreciated.

Kind Regards,

ScottCaseIT · Answer

Have you thought about the browser settings for the user account under which the PDF service is running? Since the call to the SmartForms is occurring on the K2 server as the Service account those settings could come into play. One way to test that hypothesis is to log in as the K2 service account and try to go to the web page as that user.

Though, if it was something of that nature I’d expect more consistent failure and not resolve after restart unless there is some sort of cache issue involved. You didn’t mention in your post if this was for all forms or just a certain form that you are trying to PDF?

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