merging 2 xml reports into another one

[Joost van Baal]

Hi again Roman,

Congratulations!  You've found a bug in Lire!

On Tue, Oct 29, 2002 at 09:23:17PM +0100, Joost van Baal wrote:
> 
> First of all: which Lire version are you using?  Are you using it from a
> binary package?  Which package?
> 
> On Tue, Oct 29, 2002 at 06:16:31PM +0100, rfv wrote:
> > hello, i have one problem with merging 2 xml files together.
> > i have created two xml reports from two WWW (apache,combined) logs ...

> > but when i merge this 2 xml files into one xml, date for both days are same.

> I've ran lr_xml2ascii on your files.
> 
> 27.xml contains
> 
>   Number of Requests Served by 1d Period
> 
>    2002-10-26 ................................................ 0
>    2002-10-27 .............................................. 250
>    2002-10-27 ................................................ 8
> 
> (Hm, this looks pretty bad.)

> 27.xml has _two_ entries for 2002-10-27.  Furthermore, it says its
> reporting on 2002-10-27 00:09:48 CET - 2002-10-27 23:52:16 CET, but
> still it has entries on 2002-10-26.
> 
> Conclusion: the reports your trying to merge are broken.

> (You've sent us a log file in another message, I'll have a look at that
> one now.)

I just reproduced your bug, using your log files: even with current
Lire CVS, bogus XML reports are generated from it: the reports
contains duplicate entries on 2002-10-27.  This might be related
to daylight savings time: your 27 log contains:

  ... [27/Oct/2002:01:03:31 +0200] ...
  ... [27/Oct/2002:01:05:48 +0200] ...
  ... [27/Oct/2002:02:48:40 +0100] ...
  ... [27/Oct/2002:03:50:04 +0100] ...

which is a valid sequence, of course.  However, it might be this is what
causes Lire to choke.  I'll do some more investigations, and I'll keep
you updated.

Thanks a lot for your bugreport!

Bye,

Joost

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