Hi,
What worked for me was the solution described under the link you sent below.
After the file "OAI_Bibliography.pm" had been removed from the E-Prints
Repository, DSpace could harvest the records via oai_dc.
Best regards,
Franziska
Am 25.02.2016 um 17:12 schrieb [email protected]:
Hi all,
We are running a DSpace repository and would like to harvest metadata
from an EPrints repository.
We have successfully configured a collection that harvests its content
from an external source, in this case an EPrints repository OAI feed
(selecting an specific OAI set). DSpace connects successfully to the
EPrints OAI server, however it’s only retrieving empty metadata
records. We are experiencing the same issue as described here
<https://groups.google.com/forum/#%21searchin/dspace-tech/dspace$20harvest$20from$20eprints/dspace-tech/fXyoHIPRAQI/cFBWUhAABwAJ>.
We have looked at the DSpace code and located the issue: DSpace’s
harvester module requests first a list of supported metadata formats
to find the metadata prefix that the target repository uses for the
selected metadata schema (http://www.openarchives.org/OAI/2.0/oai_dc).
Internally this is done by iterating through the results of the
ListMetadataFormats query and returns the metadataPrefix for the first
metadataFormat that matches the selected metadata schema.
What happens in this case is that EPrints has more than one entry for
the supported metadata formats using OAI_DC (oai_bibl and oai_dc
prefixes):
…
<metadataFormat>
<metadataPrefix>oai_bibl</metadataPrefix>
<schema>http://www.openarchives.org/OAI/2.0/oai_dc.xsd</schema>
<metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace>
</metadataFormat>
<metadataFormat>
<metadataPrefix>oai_dc</metadataPrefix>
<schema>http://www.openarchives.org/OAI/2.0/oai_dc.xsd</schema>
<metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace>
</metadataFormat>
…
DSpace’s harvester is then selecting the first metadataPrefix, i.e.
oai_bibl, for which EPrints is returning records with no metadata.
Just wondering if anyone has experienced the same issue, and if so,
how did they solve it. Any help/suggestions are very much appreciated.
Ideally we would like to avoid customising DSpace just to fix this, so
I’m wondering whether there’s an easy way to fix this through EPrints
configuration: e.g. disabling oai_bibl or something similar.
Many thanks and kind regards,
Agustina
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