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Posted to dev@clerezza.apache.org by "Reto Bachmann-Gmür (JIRA)" <ji...@apache.org> on 2014/01/18 15:17:19 UTC

[jira] [Resolved] (CLEREZZA-795) Exception sending a query to the sparql endpoint while adding data to a graph

     [ https://issues.apache.org/jira/browse/CLEREZZA-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reto Bachmann-Gmür resolved CLEREZZA-795.
-----------------------------------------

    Resolution: Duplicate
      Assignee: Reto Bachmann-Gmür

> Exception sending a query to the sparql endpoint while adding data to a graph
> -----------------------------------------------------------------------------
>
>                 Key: CLEREZZA-795
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-795
>             Project: Clerezza
>          Issue Type: Bug
>          Components: rdf.core
>    Affects Versions: 0.2-incubating
>         Environment: Linux OS, Apache Stanbol
>            Reporter: Luigi Selmi
>            Assignee: Reto Bachmann-Gmür
>              Labels: concurrentmodificationexception, endpoint, sparql
>
> Sending a query to the Stanbol sparql endpoint based on Clerezza while adding triples to that same graph results in the following exception
> java.util.ConcurrentModificationException
> 	at com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.checkCourrentModification(GraphTDBBase.java:208)
> 	at com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.hasNext(GraphTDBBase.java:216)
> 	at org.apache.clerezza.rdf.jena.storage.JenaGraphAdaptor$1.hasNext(JenaGraphAdaptor.java:106)
> 	at org.apache.clerezza.rdf.core.impl.AbstractTripleCollection$1.hasNext(AbstractTripleCollection.java:78)
> 	at org.apache.clerezza.rdf.core.access.LockingIterator.hasNext(LockingIterator.java:47)
> 	at org.apache.clerezza.rdf.jena.facade.JenaGraph$1.hasNext(JenaGraph.java:95)
> 	at com.hp.hpl.jena.util.iterator.WrappedIterator.hasNext(WrappedIterator.java:64)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterTriplePattern$TripleMapper.hasNextBinding(QueryIterTriplePattern.java:132)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:57)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterBlockTriples.hasNextBinding(QueryIterBlockTriples.java:53)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:49)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterDistinctReduced.hasNextBinding(QueryIterDistinctReduced.java:36)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIterSlice.hasNextBinding(QueryIterSlice.java:64)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:28)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:28)
> 	at com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:66)
> 	at com.hp.hpl.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:57)
> 	at org.apache.clerezza.rdf.jena.sparql.ResultSetWrapper.<init>(ResultSetWrapper.java:39)
> 	at org.apache.clerezza.rdf.jena.sparql.JenaSparqlEngine.execute(JenaSparqlEngine.java:68)
> 	at org.apache.clerezza.rdf.core.access.TcManager.executeSparqlQuery(TcManager.java:272)
> 	at org.apache.clerezza.rdf.web.core.SparqlEndpoint.runFormQuery(SparqlEndpoint.java:186) 



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