ColdFusion MX: 'Image Expired' Error When Using CFCHART in a Clustered Environment

When using CFCHART in a clustered environment, the following error may be encountered:

Image Expired
Please Refresh the Page to View the Image

This may occur because when CFCHART creates a chart, it stores it on the server as a temporary file. In this case, the user was sent to a server other than the one on which the CFCHART was originally created, and that temporary file was not found on that machine. The ColdFusion server, not finding that file, assumed that the image had expired.

View the TechNote below for a workaround.

ColdFusion MX: 'Image Expired' Error When Using CFCHART in a Clustered Environment

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