[Koha-bugs] [Bug 13568] OAI Server doesn't handle properly resumption token

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=13568

Jonathan Druart <jonathan.druart at biblibre.com> changed:

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--- Comment #7 from Jonathan Druart <jonathan.druart at biblibre.com> ---
Created attachment 36018
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http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=36018&action=edit
Bug 13568 OAI Server doesn't handle properly resumption token

When responding to ListRecords and ListIdentifiers verbs, OAI server doesn't
return proper resumption token. At the end of a result set, OAI server
generates a resumption token even if there isn't anymore records. Consequently,
OAI harverster will send a new request, based on this invalid resumption,
token. OAI Server responds with an empty resultset, which is considered as an
invalid response by most of the harvesters.

TO TEST:

- Find in your DB, a day where a few biblio records have been created. The
  number of created biblios must inferior to OAI-PMH:MaxCount.

- Let say this day is 2014-01-09. Send an OAI-PMH request to Koha OAI Server:

 
/cgi-bin/koha/oai.pl?verb=ListRecords&metadataPrefix=marcxml&from=2014-01-09&until=2014-01-09

- At the end of the result, you will see a resumption token which looks like
that:

  <resumptionToken
cursor="47">marcxml/47/2014-01-09/2014-01-09/</resumptionToken>

  This is wrong. No resumptiion token should be sent since there isn't anymore
  records to harvest.

- Apply the patch.

- Resend the OAI-PMH request. There is no resumption token at the end of the
  result.

- You could test also with ListIdenfiers verb in place of ListRecord.

Signed-off-by: Christophe Brocquet <christophe.brocquet at obspm.fr>

Signed-off-by: Jonathan Druart <jonathan.druart at biblibre.com>

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