Trevor DeVore wrote:
On Jan 21, 2006, at 12:03 PM, J. Landman Gay wrote:
I have a project that uses libURL to download files from a server.
One tester using OS X reports that if Mail.app is open and
synchronizing mail, libURL fails pretty consistently to download.
Apparently Mail.app doesn't play well with others, or else the Rev
engine or libURL has a glitch.
I just thought I'd mention this as a datapoint in case others
experience the same thing. If anyone knows of a workaround, that'd be
great too. Right now my app just reports a failure and stops
downloading, but that's about all it can do.
Jacque,
What error does libURL report? Can you get around this by trying to
download the url that caused the error again (trying a max of 3 times
or so)? I ask because I have download over 1,000 files consecutively
on an OS X machine with Mail running and I didn't notice any problems.
I use
load URL "myURL" with message "downloadComplete"
and check for errors in downloadComplete. If a timeout (param 2 is
"timeout") or an error occurred (param 2 is "error") and
libURLErrorData() reports "socket closed before end of file", "error
socket is open" or just "error" then I try to download the URL a max of
3 times. I've had excellent results with this method on both OS X and
Windows.
I'm not checking specifically to see if there was a timeout or an error,
just whether it was successful or not. I suppose I should. The deal is,
we've got several testers all using OS X and it has worked flawlessly
for everyone but one. When he finally quit Mail, after testing with it
open for several days, he could download successfully.
During the failure period he would get perhaps 3-4 successful downloads
out of ten. After quitting Mail he was 100% successful and has been ever
since. Maybe it was a timeout.
I can add a re-try to my scripts. Mainly I wanted to alert people to
this experience. It might be that we haven't truly isolated the real
cause, but it seems like there's a correlation.
--
Jacqueline Landman Gay | [EMAIL PROTECTED]
HyperActive Software | http://www.hyperactivesw.com
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