Title: Message Title
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One particular error is filling up my DSpace logs, not clear yet whether it's related to the memory consumption:
2013-11-24 17:17:29,209 ERROR org.dspace.identifier.VersionedHandleIdentifierProvider @ b...@atmire.com:session_id=062EE514197AFB0A416537E36FAA30A7:ip_addr=0:0:0:0:0:0:0:1%0:Error while resolving handle to item:handle\colon; 1911/2499
java.lang.IllegalStateException: No associated resource type
at org.dspace.identifier.VersionedHandleIdentifierProvider.resolve(VersionedHandleIdentifierProvider.java:290)
at org.dspace.identifier.VersionedHandleIdentifierProvider.getHistory(VersionedHandleIdentifierProvider.java:179)
at org.dspace.identifier.VersionedHandleIdentifierProvider.register(VersionedHandleIdentifierProvider.java:132)
at org.dspace.identifier.IdentifierServiceImpl.register(IdentifierServiceImpl.java:96)
at org.dspace.content.InstallItem.installItem(InstallItem.java:69)
at org.dspace.harvest.OAIHarvester.processRecord(OAIHarvester.java:541)
at org.dspace.harvest.OAIHarvester.runHarvest(OAIHarvester.java:363)
The problem looks related to the fact that OAIHarvester tries to install the item with the handle extracted from the harvested item metadata:
https://github.com/DSpace/DSpace/blob/master/dspace-api/src/main/java/org/dspace/harvest/OAIHarvester.java#L529
VersionedHandleIdentifier provider seems to assume that when the handle is provided, it has been attributed by the same repository in which it's being registered:
https://github.com/DSpace/DSpace/blob/master/dspace-api/src/main/java/org/dspace/identifier/VersionedHandleIdentifierProvider.java#L132
https://github.com/DSpace/DSpace/blob/master/dspace-api/src/main/java/org/dspace/identifier/VersionedHandleIdentifierProvider.java#L266
I'm also seeing +70 idle threads, screenshot attached.
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The OAI Harvesting client, that you can invoke from the XML-UI by going to Edit Collection -> Content source ends up consuming all available heap memory.
See attached files for PSI probe memory usage report and configuration settings for the test that I used, trying to harvest a large number of items from Rice's Scholarship repository.
Note that I d...
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