Hi,

This does appear to be an issue with the runtime. We are aware of it and 
are looking to push out a fix in the near future.

Can you email me privately the app id? Thanks.

On Monday, 29 October 2012 10:40:19 UTC+11, timh wrote:
>
>
>    1. 
>       1. 
>       
>       Hi
>       
>       Every so often I see the following in my logs.  A response code of 
>       500, a warning to the effect the instance has crashed, and an error 204 
> in 
>       the log.
>       I am running Python 2.7 with threading on.  So it seems 
>       occasionally the same instance is handling multiple requests when the 
> error 
>       occurrs
>       affecting multiple requests,  I also get this type of error on 
>       warmup requests. These requests fail in a short period, so no timeout's 
>       DEE's etc appear
>       to be involved.
>       
>       Unfortunately the complete lack of information from the log does 
>       not allow any form of diagnosis.  My assumption is it's a runtime 
> failure 
>       of python etc,,
>       Anyone got any ideas?
>       
>       2012-10-29 05:02:57.984 
>       /online_store/fish_care/+img/fish_care.jpg?size=thumbnail500 3885ms 
>       0kb Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.4 (KHTML, like 
>       Gecko) Chrome/22.0.1229.94 Safari/537.4
>       
>       x.x.x.x - - [28/Oct/2012:14:02:57 -0700] "GET 
> /online_store/fish_care/+img/fish_care.jpg?size=thumbnail HTTP/1.1" 500 0 
> "http://www.fishandlily.com.au/online_store"; "Mozilla/5.0 (Windows NT 6.0) 
> AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4" 
> "www.fishandlily.com.au" ms=3886 cpu_ms=1342 loading_request=1 exit_code=204 
> instance=00c61b117c46a4eda0a59580bdb26d05cc9a088b 
> <https://appengine.google.com/instances?app_id=s~fish-and-lily&version_id=1-8-8-threadsafe.362388295290349076&key=00c61b117c46a4eda0a59580bdb26d05cc9a088b#00c61b117c46a4eda0a59580bdb26d05cc9a088b>
>       
>       2. I2012-10-29 05:02:57.983
>       
>       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.
>       
>       3. W2012-10-29 05:02:57.983
>       
>       A problem was encountered with the process that handled this request, 
> causing it to exit. This is likely to cause a new process to be used for the 
> next request to your application. (Error code 204)
>       
>       2. 
>       1. 2012-10-29 05:02:57.983 
>       
> /online_store/accessories_and_spares/+img/accessories_and_spares.jpg?size=thumbnail
>       500 3754ms 0kb Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.4 
>       (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4
>       
>       x.x.x.x - - [28/Oct/2012:14:02:57 -0700] "GET 
> /online_store/accessories_and_spares/+img/accessories_and_spares.jpg?size=thumbnail
>  HTTP/1.1" 500 0 "http://www.fishandlily.com.au/online_store"; "Mozilla/5.0 
> (Windows NT 6.0) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 
> Safari/537.4" "www.fishandlily.com.au" ms=3754 cpu_ms=0 pending_ms=3754 
> exit_code=204 instance=00c61b117c46a4eda0a59580bdb26d05cc9a088b 
> <https://appengine.google.com/instances?app_id=s~fish-and-lily&version_id=1-8-8-threadsafe.362388295290349076&key=00c61b117c46a4eda0a59580bdb26d05cc9a088b#00c61b117c46a4eda0a59580bdb26d05cc9a088b>
>       
>       2. W2012-10-29 05:02:57.983
>       
>       A problem was encountered with the process that handled this request, 
> causing it to exit. This is likely to cause a new process to be used for the 
> next request to your application. (Error code 204)
>       
>       
>

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