Hi
I'm working with Jena TDB and my data storage is on a clustered data server.
I got this exception:
com.hp.hpl.jena.tdb.TDBException: Secondary index duplicate: SPO->OSP ->
[[000000000063A94E], [0000000000000B52], [000000000063A98C]]
at com.hp.hpl.jena.tdb.index.TupleTable.add(TupleTable.java:60)
at
com.hp.hpl.jena.tdb.nodetable.NodeTupleTable.addRow(NodeTupleTable.java:56)
at
com.hp.hpl.jena.tdb.store.TripleTable.add(TripleTable.java:45)
at
com.hp.hpl.jena.tdb.store.GraphTriplesTDB._performAdd(GraphTriplesTDB.java:44)
at
com.hp.hpl.jena.tdb.store.GraphTDBBase.performAdd(GraphTDBBase.java:89)
at
com.hp.hpl.jena.graph.impl.SimpleBulkUpdateHandler.add(SimpleBulkUpdateHandler.java:48)
at
com.hp.hpl.jena.graph.impl.SimpleBulkUpdateHandler.add(SimpleBulkUpdateHandler.java:44)
at
com.hp.hpl.jena.rdf.model.impl.ModelCom.add(ModelCom.java:883)
There is no concurrency issues because the environment we work in is not
federated (i.e. no multiple clients calling jena).
I saw a post of Andy which implies that the datastore might be inconsistent
which worries me allot.
Can you provide some info why would this happen even though I never encountered
this and here we don't deal with multiple concurrent requests.
Could this happen let's say if data server was unavailable for a brief moment ?
Really appreciate your help.
Thanks,
Nadav Hoze
Senior Software Engineer
dbMotion Ltd.
Direct: +972-9-7699000
Extension number: 9037
Mobile: 972-54-4821606
E-mail: [email protected]<mailto:[email protected]>
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