[Systers-dev] mail issue could be related to the German ATM 2016 problem

[Anne Gunn]

<try 2 -- not very good at this yet>
--- Begin forwarded message:

From: "Anne Gunn" <ompeag at wyoming.com>
To: <systers-dev at systers.org>, "Jenifer Redman" <jenred at gmail.com>
Subject: Re: Systers-dev Digest, Vol 11, Issue 2
Date: Fri, 15 Jan 2010 07:47:57 -0800


Jennifer,

Replying directly to you as well as the list since you might not get it otherwise.

I don't have time to look into this directly but are you familiar with the German ATM issue that occurred at the turn of the new year?  It's being referred to as a Y2k.1 (s/b Y2k.01) defect or the 'welcome to 2016' bug.  It doesn't seem to have made the press but I don't THINK it is just an urban legend.

I don't know the exact details but, approximately:
code was setting or comparing a decimal variable with a hexadecimal value.  
from '00 to '09 this worked great.  
But when the hex value '10' was assigned/compared to the decimal, of course, the value was decimal 16 not decimal 10.

I think some conversion from char to hex (char 10 to hex 10 = dec 16) must have been involved.

So, if you think you have a turn-of-year issue, it would be good to review the places where you are parsing char dates into numeric dates and then, maybe, seeing if something is due to happen based on the converted date.

ag

--- systers-dev-request at systers.org wrote:

From: systers-dev-request at systers.org
To: systers-dev at systers.org
Subject: Systers-dev Digest, Vol 11, Issue 2
Date: Fri, 15 Jan 2010 00:00:17 -0800

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Today's Topics:

   1. Systers Database Problem - Need Help (Jennifer Redman)
   2. Re: Systers Database Problem - Need Help (Selena Deckelmann)


----------------------------------------------------------------------

Message: 1
Date: Thu, 14 Jan 2010 14:45:39 -0800
From: Jennifer Redman <jenred at gmail.com>
Subject: [Systers-dev] Systers Database Problem - Need Help
To: systers-dev+database at systers.org
Message-ID:
	<93f118f1001141445h348a3cb1na73c7e5f4fb0bc9c at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hello!

We are having an issue with Systers in that responses to some existing
threads are not making it out to the full subscriber list.  We thought the
problem was fixed with a db restart (which of course never works but one can
always hope).

Bug is here:

https://bugs.launchpad.net/systers/+bug/506024

Anyone interested in helping us figure out what is going on?

Thanks,
Jen


------------------------------

Message: 2
Date: Thu, 14 Jan 2010 14:48:13 -0800
From: Selena Deckelmann <selenamarie at gmail.com>
Subject: Re: [Systers-dev] Systers Database Problem - Need Help
To: Jennifer Redman <jenred at gmail.com>
Cc: systers-dev+database at systers.org
Message-ID:
	<2b5e566d1001141448v226ef1ffhe0cc319c01d309b0 at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hi!

On Thu, Jan 14, 2010 at 2:45 PM, Jennifer Redman <jenred at gmail.com> wrote:
> We are having an issue with Systers in that responses to some existing
> threads are not making it out to the full subscriber list. ?We thought the
> problem was fixed with a db restart (which of course never works but one can
> always hope).
>
> Bug is here:
>
> https://bugs.launchpad.net/systers/+bug/506024
>
> Anyone interested in helping us figure out what is going on?

If you can give me access to the box, I can turn full-query logging on
and do some debugging from the database side quickly.

Jen - I'll send you my SSH key privately.

-selena
-- 
http://chesnok.com/daily - me
http://endpoint.com - work


------------------------------

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End of Systers-dev Digest, Vol 11, Issue 2
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