Hello,

I'm trying to create a view with the output of a query SPARQL, but the virtuoso 
service stops. The output log gives:

13:23:34 /usr/local/virtuoso-opensource/bin/virtuoso-t() [0x60acc2]
13:23:34 /usr/local/virtuoso-opensource/bin/virtuoso-t() [0x60f41c]
13:23:34 /usr/local/virtuoso-opensource/bin/virtuoso-t() [0x62acb1]
13:23:34 /usr/local/virtuoso-opensource/bin/virtuoso-t() [0x62bf3d]
13:23:34 /usr/local/virtuoso-opensource/bin/virtuoso-t() [0x5da315]
13:23:34 GPF: Dkalloc.c:705 av fill and list not in sync, likely double free

The query is :

CREATE VIEW Dados_Facturas_Electricidade AS SPARQL {
SELECT  ?observation ?contador ?recordTime ( 
fn:hours-from-dateTime(?recordTime) ) AS ?type ?quantidade  ?valor  ?iva ?total
  FROM <http://lsm.deri.ie/OpenIoT/sensordata#>
  WHERE
  {
      ?observation <http://purl.oclc.org/NET/ssnx/ssn#observedBy> ?contador  .
      ?record <http://lsm.deri.ie/ont/lsm.owl#isObservedPropertyOf> 
?observation  .
      ?record <http://purl.oclc.org/NET/ssnx/ssn#observationResultTime> 
?recordTime  .
      ?record <http://lsm.deri.ie/ont/lsm.owl#value> ?quantidade .
       ?record <http://www.w3.org/2000/01/rdf-schema#label> 'Quantidade' .
      {
        ?record1 <http://purl.oclc.org/NET/ssnx/ssn#observationResultTime> 
?recordTime  .
        ?record1 <http://lsm.deri.ie/ont/lsm.owl#value> ?valor .
         ?record1 <http://www.w3.org/2000/01/rdf-schema#label> 'Valor' .
      } .
      {
        ?record2 <http://purl.oclc.org/NET/ssnx/ssn#observationResultTime> 
?recordTime  .
        ?record2 <http://lsm.deri.ie/ont/lsm.owl#value> ?iva .
         ?record2 <http://www.w3.org/2000/01/rdf-schema#label> 'IVA' .
      } .
      {
        ?record3 <http://purl.oclc.org/NET/ssnx/ssn#observationResultTime> 
?recordTime  .
        ?record3 <http://lsm.deri.ie/ont/lsm.owl#value> ?total .
         ?record3 <http://www.w3.org/2000/01/rdf-schema#label> 'Total' .
      }
}
}

Regards

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