[google-appengine] TransientError adding to queue..

[bvelasquez]

Specific error is below. I am continually getting this error now.
Additionally, 500 errors deploying to app engine when it gets to the
CRON/Index phase. Any clues what the transient error is and why I
might be getting this now?

Barry

[ADD TASK] exception adding task.
Traceback (most recent call last):
File "/base/data/home/apps/jacob-6/release.342090711789639314/libs/
queue_helper.py", line 33, in add_task_to_queue
taskqueue.add(url=path, params={'key' : '8914EDFA-724A-11DE-
BD26-396256D89593', 'data' : data_string})
File "/base/python_runtime/python_lib/versions/1/google/appengine/
api/labs/taskqueue/taskqueue.py", line 750, in add
return Task(*args, **kwargs).add(transactional=transactional)
File "/base/python_runtime/python_lib/versions/1/google/appengine/
api/labs/taskqueue/taskqueue.py", line 543, in add
return Queue(queue_name).add(self, transactional=transactional)
File "/base/python_runtime/python_lib/versions/1/google/appengine/
api/labs/taskqueue/taskqueue.py", line 597, in add
self.__AddTasks(tasks, transactional)
File "/base/python_runtime/python_lib/versions/1/google/appengine/
api/labs/taskqueue/taskqueue.py", line 625, in __AddTasks
raise self.__TranslateError(e.application_error, e.error_detail)
TransientError
I 05-20 01:28PM 36.331
Saved; key: __appstats__:009800, part: 195 bytes, full: 75163 bytes,
overhead: 0.005 + 0.012; link: http://www.jacobsix.com/stats/details?time=1274387309826
I 05-20 01:28PM 36.341
This request caused a new process to be started for your application,
and thus caused your application code to be loaded for the first time.
This request may thus take longer and use more CPU than a typical
request for your application.

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[Aaron]

Hi,

Did you ever figure this one out? I'm getting these errors a lot over
the past week also. It's hard to debug, because I can't seem to find
the information on what specific task is causing the error.

[Waleed Abdulla]

I've been getting a lot of those errors in the last few days as well. Also noticed a lot of tasks being run several times. I know this does happen in general on the app engine, but the frequency of it definitely increased a lot in the last few days. 

[Aaron]

Is it best practice to surround every Taskqueue.add call with a try
except, so that we can catch the TransientErrors, and readd the task?

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[Darien Caldwell]

I had my first TransientError last night, and now I'm wondering this
too. I would think this is probably a reasonable thing to do.