Hi James,
  It sounds like you've got a task that is running and failing.  Are
all of the delete jobs you started finished (is all the data gone)?
Take a look at your task queues.  If you do not use tasks, and the
data you wanted gone is gone, purge the queue.



Robert






On Sat, Feb 5, 2011 at 02:45, James <[email protected]> wrote:
> can't figure out why i am getting this error message in the log, every
> hour ...
>
> 02-04 11:18PM 52.911 /_ah/datastore_admin/mapreduce_done 500 73ms
> 1120cpu_ms 20api_cpu_ms 0kb AppEngine-Google; (+http://code.google.com/
> appengine)
> 0.1.0.2 - - [04/Feb/2011:23:18:52 -0800] "POST /_ah/datastore_admin/
> mapreduce_done HTTP/1.1" 500 124 "http://4.latest.<OMITTED APP
> NAME>.appspot.com/_ah/mapreduce/controller_callback" "AppEngine-
> Google; (+http://code.google.com/appengine)"
>
> 02-04 11:18PM 52.977
> 'NoneType' object has no attribute 'mapreduce_spec'
> Traceback (most recent call last):
>  File "/base/python_runtime/python_lib/versions/1/google/appengine/
> ext/webapp/__init__.py", line 517, in __call__
>    handler.post(*groups)
>  File "/base/python_runtime/python_lib/versions/1/google/appengine/
> ext/datastore_admin/utils.py", line 332, in post
>    mapreduce_state.mapreduce_spec.params[
> AttributeError: 'NoneType' object has no attribute 'mapreduce_spec'
>
> i am new to GAE and my application is progressing nicely ...
> however ...
>
> i have imported, deleted, and reimported my rather small datastore
> several times and i suspect this error might be related to that ...
> but i have no idea
>
> the error occurs every hour and not related to me running my
> application ...
>
> apparently some cron job is running on the infrastructure but i didn't
> set it up ...
>
> it is also consuming most of the cpu i am using ...
>
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