Text search with reasoning enable return error. Version 3.1.4

[naru...@gmail.com]

Hi Stardog team,

In version 3.1.4

Create new data base

Perform search from query front-end:

SELECT ?s WHERE {?s ?p ?o  . (?o) <http://jena.hpl.hp.com/ARQ/property#textMatch> ( 'aaa' ) .  }

Stardog return error with below exception in back-end

SELECT ?s WHERE {?s ?p ?o  . (?o) <http://jena.hpl.hp.com/ARQ/property#textMatch> ( 'aaa' ) .  } limit 50 offset 0

java.lang.NullPointerException

at com.complexible.stardog.plan.ScopeNodeImpl$ScopeNodeBuilderImpl.join(ScopeNodeImpl.java:453)

at com.complexible.stardog.plan.optimizer.JoinOrderNodeOptimizer$Visitor.transform(JoinOrderNodeOptimizer.java:90)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.visit(TransformingPlanNodeVisitor.java:670)

at com.complexible.stardog.plan.ScopeNodeImpl.accept(ScopeNodeImpl.java:123)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryVisit(TransformingPlanNodeVisitor.java:518)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryTransform(TransformingPlanNodeVisitor.java:78)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.transform(TransformingPlanNodeVisitor.java:305)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.visit(TransformingPlanNodeVisitor.java:726)

at com.complexible.stardog.plan.ProjectionPlanNodeImpl.accept(ProjectionPlanNodeImpl.java:105)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryVisit(TransformingPlanNodeVisitor.java:518)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryTransform(TransformingPlanNodeVisitor.java:78)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.transform(TransformingPlanNodeVisitor.java:273)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.visit(TransformingPlanNodeVisitor.java:702)

at com.complexible.stardog.plan.DistinctPlanNodeImpl.accept(DistinctPlanNodeImpl.java:64)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryVisit(TransformingPlanNodeVisitor.java:518)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.unaryTransform(TransformingPlanNodeVisitor.java:78)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.transform(TransformingPlanNodeVisitor.java:315)

at com.complexible.stardog.plan.TransformingPlanNodeVisitor.visit(TransformingPlanNodeVisitor.java:718)

at com.complexible.stardog.plan.SlicePlanNodeImpl.accept(SlicePlanNodeImpl.java:102)

at com.complexible.stardog.plan.optimizer.AbstractPlanNodeOptimizer.optimize(AbstractPlanNodeOptimizer.java:29)

at com.complexible.stardog.plan.optimizer.OptimizationPipeline.execute(OptimizationPipeline.java:120)

at com.complexible.stardog.plan.eval.ExecutablePlanFactory.createOptimized(ExecutablePlanFactory.java:107)

at com.complexible.stardog.plan.eval.QueryEngine.getExecutablePlan(QueryEngine.java:210)

at com.complexible.stardog.plan.eval.QueryEngine.executeSelect(QueryEngine.java:123)

at com.complexible.stardog.query.DefaultQueryFactory$TupleQuery.execute(DefaultQueryFactory.java:224)

at com.complexible.stardog.query.DefaultQueryFactory$TupleQuery.execute(DefaultQueryFactory.java:210)

at com.complexible.stardog.protocols.server.SPECServerFunction.query(SPECServerFunction.java:497)

at com.complexible.stardog.protocols.server.SPECServerFunction.handleMessage(SPECServerFunction.java:147)

at com.complexible.stardog.protocols.http.annex.QueryPanelEndpoint.handleMessage(QueryPanelEndpoint.java:89)

at com.complexible.common.protocols.server.rpc.ServerHandler.handleMessage(ServerHandler.java:247)

at com.complexible.common.protocols.server.rpc.ServerHandler.channelRead(ServerHandler.java:146)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)

at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:32)

at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:299)

at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:36)

at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)

at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)

at java.lang.Thread.run(Unknown Source)

[naru...@gmail.com]

Hi, 

Please note that below error is with reasoning enable

Thanks

Duc

[Michael Grove]

This has already been fixed for the latest release.  As a workaround in the meantime, if you provide a value for one of the variables in the unbound scan, you should avoid the bug.

Cheers,

Mike

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