Hi all,
I need to access the metadata of my DSpace items from an external script
and figured I would do so using the OAI webapp and the GetRecord verb (I
run DSpace 3.0). For some reason, however, OAI only displays a very
small subset of my items, all uploaded before a certain date. When
running "[dspace]/bin/dspace oai import" OAI tells me it is searching
for documents modified after that date ("incremental import") but fails
with a:
org.apache.solr.common.SolrException: Bad Request
Here's the stacktrace:
request: http://localhost:8080/solr/oai/update?wt=javabin&version=2
at
org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:435)
at
org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:244)
at
org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:105)
at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:64)
at org.dspace.xoai.app.XOAI.index(XOAI.java:217)
at org.dspace.xoai.app.XOAI.index(XOAI.java:183)
at org.dspace.xoai.app.XOAI.index(XOAI.java:141)
at org.dspace.xoai.app.XOAI.main(XOAI.java:427)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:183)
I also tried this on my dev instance of DSpace 3.0-rc3, with the same
result except that the avaliable options for "[dspace]/bin/dspace oai"
change to "clean-cache", "compile-items" and "erase-compiled-items".
"compile-items" fails with a java.lang.NullPointerException
at
org.dspace.xoai.util.XOAICacheManager.getMetadataCache(XOAICacheManager.java:81)
at
org.dspace.xoai.util.XOAICacheManager.compileItem(XOAICacheManager.java:87)
at org.dspace.xoai.app.XOAI.compile(XOAI.java:490)
at org.dspace.xoai.app.XOAI.main(XOAI.java:438)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:183)
Is the "oai import" the right command at all? Or do I need to adjust
some other things for OAI to access all my items? Collections and
communities are displayed fine, btw.
Thanks for your help,
Joachim
--
Joachim Bingel
Institut für Deutsche Sprache, Zentrale Forschung
R5, 6-13, 68161 Mannheim
+49 - (0)621-1581-456 | http://www.ids-mannheim.de
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