Hi Jason, Thanks for your reply.
Sorry for my own late reply - the holiday intervened for me here too! :) I came back actually after noticing another such error just now while using my site myself. Another 500 that doesn't show up under errors, and that refresh 'solves'. I tried to filter for such errors...I count at least 14 500s that show up in my request log for the day so far (01/07). But only 3 show under the 'Error' log. That's out of a total of ~4000 requests in my request log so far for today. A lot of these requests are API requests. It's not as dreadfully critical if I get a rogue 500 in there. But when it's on the site itself...it could be the difference between a conversion and no conversion and so on as I'm sure you appreciate. My app-id is: yaytrail I'd really appreciate it if you could have a look to confirm the problem, and whether it lies in my app or with appengine, so in either case we might see if it's fixable. Cheers :) On Dec 24 2009, 1:36 am, "Jason (Google)" <apija...@google.com> wrote: > Hi Peter. Since no errors were logged, It's possible that the errors weren't > directly caused by your application but were instead returned by the Google > front-end (GFE) that received your request. Hopefully these are very rare -- > do you have a feeling for how often the 500s occur? If you reply with your > application ID, I may be able to look into this for you after the upcoming > holiday. > > - Jason > > On Tue, Dec 22, 2009 at 9:29 AM, peterk <peter.ke...@gmail.com> wrote: > > Hey all, > > > Not sure if this is 'normal' but over the last couple of days or so > > I've seen increasing reports of 500 server errors on requests that > > normally are served fine. Some users have noted them too. > > > But somewhat stranger still is that I can't debug these errors because > > they don't show up under the error log. They appear in the request log > > with a status code of 500 but no info about the error. They do not > > appear when I filter just for errors. > > > An increasing number of my errors that have shown up in the error log > > lately have referred to Datastore Timeouts. For example my most recent > > error has these load characteristics: > > > 500 4085ms 37cpu_ms 12api_cpu_ms > > > With this error class: <class > > 'google.appengine.api.datastore_errors.Timeout'>: > > > I hadn't really seen these problems before. My site isn't a high > > traffic one, but traffic has been increasing lately. > > > What can I do to track down the cause of this kind of behaviour? Any > > advice is appreciated :) > > > -- > > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to google-appeng...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine?hl=en. > >
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