On Dec 15, 2011, at 9:29 AM, Mike Abdullah wrote:
> I'm trying to track down a bug and have a copy of a customer's console log to
> help me. There's rather a lot of messages like this:
>
> open on /Users/foo/bar/mydocument.package/DSC_0221.jpg: File exists
>
> Searching the web has been fruitless so far, so does anybody know which Cocoa
> API(s) would produce such messages?
The "File exists" string is almost certainly the result of strerror(EEXIST).
As to where that's coming from, you might (have the customer) try the following:
sudo dtrace -n '
syscall::open*:return
/pid == $target && errno != 0/
{
printf("%s %s\n", probefunc, errno);
ustack();
}' -p <pid of your program>
(I split the quoted part across multiple lines, but you can collapse it to one
line. A long line is more likely to be mangled in email transit.)
Regards,
Ken
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