Hi David, I've recently noticed a few runs of the "10 second timeout" errors in some tasks too. Similar M.O., very light weight tasks across several URLs. You might want to look at some of the requests preceding the runs of timeouts and see if they were "slow" or had DeadlineExceededErrors.
Robert On Wed, Nov 17, 2010 at 10:43, David <[email protected]> wrote: > I have been trying to track down a 1% daily failure rate of requests > and I think I narrowed it down. Currently when it does fail, it gives > an HTTP 500 error and it takes 10-12 seconds for the duration of the > request. It happens on many urls so it isn't unique to any one > particular action. I found a stack trace in one of the errors as you > see below. It shows that my code was trying to add a task to the task > queue when it gave an error just after 10 seconds. Does anyone know > what this "TransientFailureException: Unknown" means" What is it > waiting for? I see the "makeSyncCall" method, I'm assuming that > blocks for 10 seconds and gives up throwing this exception. Is that > correct? Is there someone that can track down why it can't add tasks? > > Thanks, > David > app: word-play > > Stack: > com.google.appengine.api.labs.taskqueue.TransientFailureException: > Unknown > at > com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java: > 58) > at > com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java: > 111) > at > com.google.appengine.api.labs.taskqueue.QueueApiHelper.makeSyncCall(QueueApiHelper.java: > 32) > at > com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java: > 312) > at > com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java: > 284) > at > com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java: > 269) > ... > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
