Hi,

Using:
DSpace version 4.2
Tomcat 7
Postgresql 9.3
Centos 6.6

I am developing a DSpace instance which uses harvesting of material heavily. 
Recently I have discovered an issue where if the 'from' and 'until' parameters 
are used with GetRecords to harvest a set, it fails with 'no updates' message. 
Looking in the logs, the url used for harvesting has added these parameters - 
if they are removed then the set returns correctly in a browser...
Any idea how to stop the harvest from failing?  This is the message from the 
log:

2015-07-22 11:57:42,467 INFO  org.dspace.harvest.OAIHarvester @ HTTP Request: 
https://openknowledge.worldbank.org/oai/request?verb=ListRecords&from=2015-07-22T10:55:16Z&until=2015-07-22T10:57:41Z&set=col_10986_9403&metadataPrefix=oai_dc
2015-07-22 11:57:42,471 INFO  org.dspace.harvest.OAIHarvester @ noRecordsMatch: 
OAI server did not contain any updates
2015-07-22 11:57:42,475 INFO  org.dspace.content.Collection @ 
s.sea...@cranfield.ac.uk:session_id=4C8F4F467AE1709F6BC9B29E630A9629:ip_addr=138.250.13.165:update_collection:collection_id=28
2015-07-22 11:57:58,064 INFO  org.dspace.content.Collection @ 
s.sea...@cranfield.ac.uk:session_id=4C8F4F467AE1709F6BC9B29E630A9629:ip_addr=138.250.13.165:update_collection:collection_id=28
2015-07-22 11:57:58,822 INFO  org.dspace.harvest.OAIHarvester @ HTTP Request: 
https://openknowledge.worldbank.org/oai/request?verb=ListRecords&until=2015-07-22T10:57:58Z&set=col_10986_9403&metadataPrefix=oai_dc
2015-07-22 11:57:58,829 INFO  org.dspace.harvest.OAIHarvester @ noRecordsMatch: 
OAI server did not contain any updates
2015-07-22 11:57:58,832 INFO  org.dspace.content.Collection @ 
s.sea...@cranfield.ac.uk:session_id=4C8F4F467AE1709F6BC9B29E630A9629:ip_addr=138.250.13.165:update_collection:collection_id=28
2015-07-22 11:59:37,793 INFO  org.dspace.harvest.OAIHarvester @ HTTP Request: 
https://openknowledge.worldbank.org/oai/request?verb=ListRecords&from=2015-07-22T10:55:58Z&until=2015-07-22T10:59:37Z&set=col_10986_9403&metadataPrefix=oai_dc
2015-07-22 11:59:37,798 INFO  org.dspace.harvest.OAIHarvester @ noRecordsMatch: 
OAI server did not contain any updates
2015-07-22 11:59:37,800 INFO  org.dspace.content.Collection @ 
s.sea...@cranfield.ac.uk:session_id=4C8F4F467AE1709F6BC9B29E630A9629:ip_addr=138.250.13.165:update_collection:collection_id=28
2015-07-22 12:00:10,314 INFO  org.dspace.harvest.OAIHarvester @ HTTP Request: 
https://openknowledge.worldbank.org/oai/request?verb=ListRecords&from=2015-07-22T10:57:37Z&until=2015-07-22T11:00:09Z&set=col_10986_9403&metadataPrefix=oai_dc
2015-07-22 12:00:10,318 INFO  org.dspace.harvest.OAIHarvester @ noRecordsMatch: 
OAI server did not contain any updates

There are about three or four repositories that have the same issue including 
DSpace at Cambridge.

Thanks in advance!

Shannon

Shannon Searle
Library Systems Integration and Development Officer
Building 70, Barrington Library, Cranfield Defence and Security
Cranfield University, Defence Academy of the UK,
Shrivenham, Swindon
Wiltshire
SN6 8LA
s.sea...@cranfield.ac.uk<mailto:s.sea...@cranfield.ac.uk>

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