Sergio Fernández created MARMOTTA-191:
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Summary: SPARQL graph results fails under some circunstances
Key: MARMOTTA-191
URL: https://issues.apache.org/jira/browse/MARMOTTA-191
Project: Marmotta
Issue Type: Bug
Components: Platform
Affects Versions: 2.6, 3.0-incubating
Reporter: Sergio Fernández
Assignee: Sergio Fernández
Fix For: 3.1-incubating
Write some unit tests:
I realized the SPARQL Graph results fails:
java.lang.AssertionError: Created a duplicate MemURI for URI
http://www.wikier.org/foaf#wikier
at
org.openrdf.sail.memory.model.MemValueFactory.getOrCreateMemURI(MemValueFactory.java:281)
at
org.openrdf.sail.memory.model.MemValueFactory.getOrCreateMemResource(MemValueFactory.java:247)
at
org.openrdf.sail.memory.MemoryStore.addStatement(MemoryStore.java:538)
at
org.openrdf.sail.memory.MemoryStoreConnection.addStatementInternal(MemoryStoreConnection.java:441)
at
org.openrdf.sail.memory.MemoryStoreConnection.addStatementInternal(MemoryStoreConnection.java:395)
at
org.openrdf.sail.helpers.SailConnectionBase.addStatement(SailConnectionBase.java:441)
at
org.openrdf.repository.sail.SailRepositoryConnection.addWithoutCommit(SailRepositoryConnection.java:281)
at
org.openrdf.repository.base.RepositoryConnectionBase.addWithoutCommit(RepositoryConnectionBase.java:561)
at
org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectionBase.java:433)
at
org.apache.marmotta.platform.sparql.services.sparqlio.rdf.SPARQLGraphResultWriter.write(SPARQLGraphResultWriter.java:68)
at
org.apache.marmotta.platform.sparql.services.sparql.SparqlServiceImpl.query(SparqlServiceImpl.java:195)
at
org.apache.marmotta.platform.sparql.services.sparql.SparqlServiceImpl.query(SparqlServiceImpl.java:108)
at
org.apache.marmotta.platform.sparql.services.sparql.SparqlServiceImpl$Proxy$_$$_WeldClientProxy.query(SparqlServiceImpl$Proxy$_$$_WeldClientProxy.java)
at
org.apache.marmotta.platform.sparql.webservices.SparqlWebService$1.write(SparqlWebService.java:485)
But I'm not totally sure it's actually a bug, either on our side or in Sesame,
because I cannot easily reproduce it on all environments: it works fine at
runtime and from junit at eclipse, but it fails from maven.
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