Yes, the message on the Cron Jobs page only says "on time Failed". I put a 
screenshot at http://www.tiikoni.com/tis/view/?id=eeea7ba. And no, there 
really was no entry in the logs - there's a screenshot of the logs at 
http://www.tiikoni.com/tis/view/?id=5cd1594, which has nothing at the 
scheduled time of 2013-08-01 00:15. I suppose the cron function could fail 
before actually issuing an http request, but it seems a bit odd there 
wouldn't be *anything* in the logs.

Fortunately, the cron function ran successfully last night, so I'll presume 
the failure was a one-time anomaly. (In 4+ years, this is the first time 
something like this has happened.) With a reminder that failed cron jobs 
don't retry, I should probably recast my cron request to be idempotent, so 
that I can schedule it multiple times (a poor-man's retry).


On Friday, August 2, 2013 4:45:26 PM UTC-4, Vinny P wrote:
>
> On Friday, August 2, 2013 9:09:02 AM UTC-5, john wrote:
>
>> My daily cron at 00:15 UTC failed last night, and there is no info for it 
>> in the logs.
>
>
>
> What does your cron page show you? Does it say something like "On Time   
> Failure", or anything else? (the info text is just below the cron 
> information)
>
> In addition, are you sure there's no logs entry for it? If you have 
> different versions of your app deployed, you need to look at the logs for 
> each version (they're on separate pages). Go to your logs page, there's a 
> dropdown box at the top that lets you select another version.
>
> On Friday, August 2, 2013 9:09:02 AM UTC-5, john wrote: 
>
>> My instances changed from 1.8.2 to 1.8.3 yesterday -- did that have 
>> something to do with it?
>>
>>
>
> It's unlikely that was the problem, especially if the version switchover 
> didn't take place simultaneous to the cron. Let's try to rule other options 
> out.
>
>
> -----------------
> -Vinny P
> Technology & Media Advisor
> Chicago, IL
>
> App Engine Code Samples: http://www.learntogoogleit.com
>
>  
>

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