[pgrouting-users] alphashape with less than 3 points crashing server process

Vicky Vergara vicky at georepublic.de
Fri Apr 15 23:59:28 PDT 2016

it doesnt have the try catch

On Fri, Apr 15, 2016 at 11:03 PM, Stephen Woodbridge <
woodbri at swoodbridge.com> wrote:

> On 4/15/2016 9:32 PM, Daniel Kastl wrote:
>> 2016-04-15 14:40:15 BST  LOG  server process (PID 5044) was terminated
>>> by exception 0xC0000005
>>> 2016-04-15 14:40:15 BST  LOG  terminating any other active server
>>> processes
>>> 2016-04-15 14:40:15 BST  WARNING  terminating connection because of
>>> crash of another server process
>>> So, I guess my question is, is there any way I can get my function to
>>> fail gracefully when I hit this exception and stop my connection
>>> terminating and the process crashing?
>> I remember, that this was an issue in the past, but I thought it had be
>> resolved long time ago by returning an error and not crashing the
>> process, so I don't even remember when.
>> We will look into this. Thanks for reporting.
> The short answer is this is a bug and the way to stop the server from
> crashing is to fix the bug. The best way to do this is to find a case where
> you can repeat the issue and file a test case, then we can debug the issues
> and put in a fix for it.
> The reason for the crash is because when something bad and unexpected
> happens the database can not be sure that all the other processes are in a
> stable state so it kills all the database processes so that the database
> will get recovered into a known stable state. While this may be annoying it
> is better than continuing with possible damaged and inconsistent data that
> will impact future results or potential destroy more data or return bad
> data.
> If you have a test case that fails we would really like to get it so we
> can address this problem.
> Thanks,
>   -Steve
> ---
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Vicky Vergara
Operations Research

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