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When calling ExportMap with a JSON return format, an HREF field is included with a URL to the image you requested. After a configured amount of time (maxFileAge), that temp file is deleted. Now after that temp file is deleted, if I call the original query url again I receive a JSON message with the exact HREF field value as in the previous call and navigating to that url returns a 404 file not found error. BTW, I am calling to the World Imagery service so I have no control over changing server parameters. I am assuming maxFileAge is set to about 5 minutes and I am receiving the same href url up to 60 minutes after the first query. After 60 minutes, I get a new href url with a valid image (again for only 5 minutes) and so on. Tyler
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07-06-2011
08:22 AM
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I see, thanks for the information. Can you tell me what the maxFileAge is set to on ESRI's hosted services (such as World Imagery)? Thanks again, Tyler
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05-16-2011
05:35 AM
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When calling ExportMap with a JSON return format, an HREF field is included with a URL to the image you requested. I'm assuming this is a generated temporary file. I would like to know how long that file exists. Is its lifespan a duration since it was generated or are those temporary files purged at a specific time of day (like 4am)? If purged at a specific time, if a map was requested 1 minute before the purge, would it be purged 1 minute later? Thanks, Tyler
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05-13-2011
08:03 AM
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