Hi Andrei,
You should name your tasks so you don't insert the same task
multiple times. Also, remember all tasks should be idempotent -- they
will occasionally run multiple times. Once way to accomplish this is
using a 'marker' of some type so you can detect if the task has
already run.
http://code.google.com/appengine/docs/python/taskqueue/overview.html#Task_Execution
Robert
2011/5/5 Andrei Cosmin Fifiiţă <[email protected]>:
> I encountered another problem. I seamed that when a task was added to
> my task queue, it was added three or four times. (i believe this
> happened a few times). For example: at a certain action, a task is
> created: this task generates a document (based on some processing)
> delivers an email an then records some data. If the task is created 3
> times (although it was added once), it's not good.
> Is there a way to detect this problem ?
>
> On 5 May 2011 04:13, nischalshetty <[email protected]> wrote:
>> Yeah, retrying works. But, this was never needed till the new release of 1.5
>> was announced. My suspicion is on that (btw, some major changes to task
>> queues on the way with the 1.5 release, exciting times ahead).
>> Anyways, as @Greg has mentioned here, it's a relief to know that someone
>> from Google is looking into this. Hoping things get sorted out soon.
>>
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