[OAI-implementers] Re: Problem with Repository Explorer

Tim Brody tim@tim.brody.btinternet.co.uk
Tue, 4 Jun 2002 13:34:27 +0100


I would say it should be noRecordsMatch.

from > until is odd, but not incorrect.

Set logic:

{>=from} AND {<=until} = {result set | empty set}

Regards,
Tim.

----- Original Message -----
From: "Hussein Suleman" <hussein@vt.edu>
To: "Yuping Tseng" <ytseng1@uiuc.edu>
Cc: <oai-implementers@oaisrv.nsdl.cornell.edu>
Sent: Tuesday, June 04, 2002 12:16 AM
Subject: [OAI-implementers] Re: Problem with Repository Explorer


> hi
>
> i suppose this is a question of interpretation.
>
> the spec says "noRecordsMatch- The combination of the values of the
> from, until , and set arguments results in an empty list"
>
> now, if from>until and both are independently legal dates, then in a
> set-theoretic sense the combination of these parameters results in an
> empty set. thus, the re expects to find "noRecordsMatch".
>
> does this make sense ? or should i be accepting both errors (the other
> being badArgument) ?
>
> ttfn,
> ----hussein
>
> cc: oai-implementors: if anyone does not agree with this interpretation,
> now would be a good time to mention it :)
>
> Yuping Tseng wrote:
>
> > Hi,
> >
> > I am the research programmer of UIUC OAI Project.
> > We are testing our 2.0 data provider
> > (http://bolder.grainger.uiuc.edu/uiLibOAIProvider/2.0/oai.asp) against
the
> > 2.0 Repository Explorer right now.
> > Here is the only error we have:
> >
> > (12) Testing : ListIdentifiers (oai_dc, from > until)
> > URL :
> >
http://bolder.grainger.uiuc.edu/uiLibOAIProvider/2.0/oai.asp?verb=ListIdenti
> > fiers&metadataPrefix=oai_dc&from=2000-01-01&until=1999-01-01
> > ------ Start of XML Response ------
> > <?xml version='1.0' encoding='UTF-8'?>
> > <OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/"
> > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> > xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/
> > http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
> > <responseDate>2002-05-30T16:11:09Z</responseDate>
> > <request
> >
verb="ListIdentifiers">http://bolder.grainger.uiuc.edu/uiLibOAIProvider/2.0/
> > oai.asp</request>
> > <error code="badArgument">'from' is greater than 'until'.</error>
> > </OAI-PMH> ------- End of XML Response -------
> > Test Result : FAIL!
> > **** [ERROR] Cannot find container corresponding to the verb :
> > ListIdentifiers
> >
> >
> > According to the protocol, I can't see anything wrong with the response.
Is
> > there anything missing here or there's something wrong with the
repository
> > explorer?
> >
> > Thanks for the help!
> >
> > Yuping Tseng
> > Visiting Research Programmer
> > OAI Metadata Harvesting Project
> > 052 Grainger Engineering Library MC-274
> > ytseng1@uiuc.edu
> > (217)244-7809
> >
>
>
> --
> ======================================================================
> hussein suleman - hussein@vt.edu - vtcs - http://www.husseinsspace.com
> ======================================================================
>
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