ERROR 2020-07-07 09:46:50,230 [stardog-user-5] com.complexible.stardog.QueryManager:exceptionTriggered(481): Error during execution of the query
SELECT ?metro  ?country {
GRAPH <virtual://gsp3> {
    ?metro a loc:Metro .
    ?country a loc:Country .
    ?metro loc:LocatedIn ?country .
}
}
with query plan 
prefix : <http://api.stardog.com/>
prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix owl: <http://www.w3.org/2002/07/owl#>
prefix stardog: <tag:stardog:api:>
 
VirtualGraphSql<virtual://gsp3> [#1000] {
+─ RelNode=
+─    LogicalSort(fetch=[1000])
+─      LogicalAggregate(group=[{0, 1}])
+─        LogicalUnion(all=[true])
+─          LogicalProject(metro=[$0], country0=[$14])
+─            LogicalJoin(condition=[AND(=($29, ||('http://test.akamai.com/location/entities#Metro_', $0)), =($27, ||('http://test.akamai.com/location/entities#Country_', $14)))], joinType=[inner])
+─              LogicalJoin(condition=[AND(IS NOT NULL($0), IS NOT NULL($14))], joinType=[inner])
+─                JdbcTableScan(table=[[default, metros]])
+─                JdbcTableScan(table=[[default, metros]])
+─              ExprTableScan(table=[[pp]])
+─          LogicalProject(metro=[$0], country0=[$14])
+─            LogicalJoin(condition=[AND(=($27, ||('http://test.akamai.com/location/entities#Metro_', $0)), =($29, ||('http://test.akamai.com/location/entities#Country_', $14)))], joinType=[inner])
+─              LogicalJoin(condition=[AND(IS NOT NULL($0), IS NOT NULL($14))], joinType=[inner])
+─                JdbcTableScan(table=[[default, metros]])
+─                JdbcTableScan(table=[[default, metros]])
+─              ExprTableScan(table=[[pp]])
+─ Vars=
+─    ?metro <- TEMPLATE(http://test.akamai.com/location/entities#Metro_{metro/0})
`─    ?country <- TEMPLATE(http://test.akamai.com/location/entities#Country_{country/1})
}
 
against database ak_location with reasoning schema default
com.complexible.stardog.plan.eval.operator.OperatorException: Unable to execute virtual graph query. SQL string: SELECT `metro`, `country0`
FROM (SELECT `metros`.`metro`, `metros0`.`country` `country0`
FROM `default`.`metros`
INNER JOIN `default`.`metros` `metros0` ON `metros`.`metro` IS NOT NULL AND `metros0`.`country` IS NOT NULL
INNER JOIN `pp` ON `pp`.`pp_end_1` = CONCAT('http://test.akamai.com/location/entities#Metro_', `metros`.`metro`) AND `pp`.`pp_start_1` = CONCAT('http://test.akamai.com/location/entities#Country_', `metros0`.`country`)
UNION ALL
SELECT `metros1`.`metro`, `metros2`.`country` `country0`
FROM `default`.`metros` `metros1`
INNER JOIN `default`.`metros` `metros2` ON `metros1`.`metro` IS NOT NULL AND `metros2`.`country` IS NOT NULL
INNER JOIN `pp` `pp0` ON `pp0`.`pp_start_1` = CONCAT('http://test.akamai.com/location/entities#Metro_', `metros1`.`metro`) AND `pp0`.`pp_end_1` = CONCAT('http://test.akamai.com/location/entities#Country_', `metros2`.`country`)) `t1`
GROUP BY `metro`, `country0`
LIMIT 1000
                at com.complexible.stardog.plan.eval.operator.impl.ServiceOperatorImpl.computeNext(ServiceOperatorImpl.java:107) ~[stardog-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.impl.ServiceOperatorImpl.computeNext(ServiceOperatorImpl.java:29) ~[stardog-7.3.2.jar:?]
                at com.complexible.common.collect.AbstractSkippingIterator.tryToComputeNext(AbstractSkippingIterator.java:147) ~[stardog-utils-common-7.3.2.jar:?]
                at com.complexible.common.collect.AbstractSkippingIterator.hasNext(AbstractSkippingIterator.java:134) ~[stardog-utils-common-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.util.AutoCloseOperator.computeNext(AutoCloseOperator.java:154) ~[stardog-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.util.AutoCloseOperator.computeNext(AutoCloseOperator.java:28) ~[stardog-7.3.2.jar:?]
                at com.complexible.common.collect.AbstractSkippingIterator.tryToComputeNext(AbstractSkippingIterator.java:147) ~[stardog-utils-common-7.3.2.jar:?]
                at com.complexible.common.collect.AbstractSkippingIterator.hasNext(AbstractSkippingIterator.java:134) ~[stardog-utils-common-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.util.OpBasedBindingSetIteration.computeNext(OpBasedBindingSetIteration.java:119) ~[stardog-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.util.OpBasedBindingSetIteration.computeNext(OpBasedBindingSetIteration.java:40) ~[stardog-7.3.2.jar:?]
                at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141) ~[guava-27.0-jre.jar:?]
                at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136) ~[guava-27.0-jre.jar:?]
                at com.complexible.common.base.CloseableIterator$2.computeNext(CloseableIterator.java:84) ~[stardog-utils-common-7.3.2.jar:?]
                at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141) ~[guava-27.0-jre.jar:?]
                at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136) ~[guava-27.0-jre.jar:?]
                at com.complexible.common.rdf.query.IteratorAsTupleQueryResult.computeNext(IteratorAsTupleQueryResult.java:81) ~[stardog-utils-rdf-7.3.2.jar:?]
                at com.complexible.common.rdf.query.IteratorAsTupleQueryResult.computeNext(IteratorAsTupleQueryResult.java:23) ~[stardog-utils-rdf-7.3.2.jar:?]
                at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141) ~[guava-27.0-jre.jar:?]
                at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136) ~[guava-27.0-jre.jar:?]
                at com.stardog.stark.query.ClosingSpliterator.forEachRemaining(ClosingSpliterator.java:37) ~[stardog-stark-query-api-7.3.2.jar:?]
                at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_11]
                at com.stardog.stark.query.io.QueryResultWriters.write(QueryResultWriters.java:142) ~[stardog-stark-query-io-7.3.2.jar:?]
                at com.stardog.stark.query.io.QueryResultWriters.write(QueryResultWriters.java:127) ~[stardog-stark-query-io-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.ProtocolUtils.writeTupleResponse(ProtocolUtils.java:697) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.ProtocolUtils.executeReadQuery(ProtocolUtils.java:589) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.ProtocolUtils.executeReadQuery(ProtocolUtils.java:561) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.ProtocolUtils.executeReadQuery(ProtocolUtils.java:522) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.SPARQLProtocol.executeQuery(SPARQLProtocol.java:146) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.complexible.stardog.protocols.http.server.SPARQLProtocol.post(SPARQLProtocol.java:106) ~[stardog-protocols-http-server-7.3.2.jar:?]
                at com.stardog.http.server.undertow.jaxrs.ExtractRoutes.lambda$handleIt$5(ExtractRoutes.java:192) [stardog-protocols-http-server-7.3.2.jar:?]
                at com.stardog.http.server.undertow.jaxrs.ExtractRoutes$$Lambda$1015/1049748928.run(Unknown Source) [stardog-protocols-http-server-7.3.2.jar:?]
                at org.apache.shiro.subject.support.SubjectRunnable.doRun(SubjectRunnable.java:120) [shiro-core-1.3.0.jar:1.3.0]
                at org.apache.shiro.subject.support.SubjectRunnable.run(SubjectRunnable.java:108) [shiro-core-1.3.0.jar:1.3.0]
                at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_11]
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_11]
                at java.lang.Thread.run(Thread.java:745) [?:1.8.0_11]
Caused by: com.complexible.stardog.StardogException: Unable to execute virtual graph query. SQL string: SELECT `metro`, `country0`
FROM (SELECT `metros`.`metro`, `metros0`.`country` `country0`
FROM `default`.`metros`
INNER JOIN `default`.`metros` `metros0` ON `metros`.`metro` IS NOT NULL AND `metros0`.`country` IS NOT NULL
INNER JOIN `pp` ON `pp`.`pp_end_1` = CONCAT('http://test.akamai.com/location/entities#Metro_', `metros`.`metro`) AND `pp`.`pp_start_1` = CONCAT('http://test.akamai.com/location/entities#Country_', `metros0`.`country`)
UNION ALL
SELECT `metros1`.`metro`, `metros2`.`country` `country0`
FROM `default`.`metros` `metros1`
INNER JOIN `default`.`metros` `metros2` ON `metros1`.`metro` IS NOT NULL AND `metros2`.`country` IS NOT NULL
INNER JOIN `pp` `pp0` ON `pp0`.`pp_start_1` = CONCAT('http://test.akamai.com/location/entities#Metro_', `metros1`.`metro`) AND `pp0`.`pp_end_1` = CONCAT('http://test.akamai.com/location/entities#Country_', `metros2`.`country`)) `t1`
GROUP BY `metro`, `country0`
LIMIT 1000
                at com.complexible.stardog.virtual.vega.rdbms.RdbmsRelExecutor.execute(RdbmsRelExecutor.java:65) ~[stardog-virtual-core-7.3.2.jar:?]
                at com.complexible.stardog.virtual.vega.VirtualServiceQuery.execute(VirtualServiceQuery.java:187) ~[stardog-virtual-core-7.3.2.jar:?]
                at com.complexible.stardog.virtual.vega.VirtualServiceQuery.evaluate(VirtualServiceQuery.java:200) ~[stardog-virtual-core-7.3.2.jar:?]
                at com.complexible.stardog.plan.eval.operator.impl.ServiceOperatorImpl.computeNext(ServiceOperatorImpl.java:93) ~[stardog-7.3.2.jar:?]
                ... 35 more
Caused by: org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: SemanticException [Error 10001]: Line 5:11 Table not found 'pp'