I just had this error too. It was working fine in CF9.
Apparently CFPDF no longer likes to work all in memory, so I had to change my
code to write the file to a temporary file after the CFPDFFORM and then use
that temporary file as the source for the merged, flattened document:
<cfset tempfile = "SomeUniqueFileName.pdf">
<cfpdfform action="populate" source="#variables.SourcePDF#"
destination="#tempfile#" overwrite="true"> <cfpdfformparam name="fieldName"
value="fieldValue">
</cfpdfform>
<cfpdf action="write" source="#tempfile#" destination="#variables.
DestinationFile#" flatten="yes" overwrite="yes">
> All:
>
> Resending this as there were some issues when it was first posted and
> no one has responded to it yet. Any ideas here? Thanks.
>
> A client's web hosting company recently moved the website to a new
> server (running CF10). One function of the website is to take
> information submitted by users and use that data to populate PDF forms
> and then save them to disk. That process is now resulting in the
> following error message:
>
> An error occurred while reading source for the cfpdf tag. Error:
> Variables written as a file by specifying destination in a tag cannot
> be used again.
>
> The code that is listed as the culprit is the last line of the
> following:
>
> <!--- Fill PDF form --->
> <cfpdfform action="populate" source="#variables.SourcePDF#"
> name="pdfFile"> <cfpdfformparam name="fieldName" value="fieldValue">
> <!--- more of the above --->
> </cfpdfform>
>
> <!--- Flatten PDF --->
> <cfpdf action="write" source="pdfFile" destination="#variables.
> DestinationFile#" flatten="yes" overwrite="yes">
>
> This block of code is followed by several others that are just like it
> except that the variables.SourcePDF and variables.DestinationFile
> variables have different values in each. Thinking that, maybe, the
> problem was that the pdfFile variable was being used again (although
> being reset with new content at the start of each such block) in
> subsequent blocks, I added some code to explicitly reset the value of
> pdfFile after each write/flatten. I can't replace the variable with a
> new one (e.g., pdfFile2) since some of those blocks are in loops that
> iterate different amounts of times based on circumstances.
>
> I've never seen this error before, certainly not while the website was
> on the previous server. Any ideas?
>
> Thanks in advance.
>
> --
> Mosh Teitelbaum
> [email protected]
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