On Thu, 2 Oct 2014, Bentham, Dave wrote:

A recent modification to our system is to allow similar downloads over GSM which is a bit more flaky. One of the enhancements was to upgrade libcurl to the latest, v7.37.1, and whilst early indications suggest the FTP as a whole is slightly faster and more reliable, resuming interrupted downloads always fails straight off with an error code 31, REST command failure. I can't find anything obviously different in programming libcurl between 7.15 & 7.37.

              curl_easy_setopt(curl, CURLOPT_RESUME_FROM, 
(long)#(ftpResumeFrom));

Wow, that's a 8+ years bump!

It'll help us if you tell us exactly what happens, protocol wise, when it fails. Perhaps a CURLOPT_VERBOSE output log. I would guess that if you'd do a similar dump using your old lib version and compared the two that might offer some clues.

--

 / daniel.haxx.se
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