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thilinamb / synopsis

This project aims at using Neptune to process geo-spatial data and answer approximate queries.
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NPE during query evaluation #9

Open thilinamb opened 8 years ago

thilinamb commented 8 years ago

The query was issued while data is being ingested.

Stacktrace:

Failed to process query! java.lang.NullPointerException at io.sigpipe.sing.graph.Vertex.getFirstNeighbor(Vertex.java:104) at io.sigpipe.sing.query.RelationalQuery.prune(RelationalQuery.java:91) at io.sigpipe.sing.query.RelationalQuery.execute(RelationalQuery.java:51) at neptune.geospatial.graph.operators.SketchProcessor.query(SketchProcessor.java:147) at neptune.geospatial.core.protocol.processors.client.TargetedQueryProcessor.process(TargetedQueryProcessor.java:27) at neptune.geospatial.core.computations.AbstractGeoSpatialStreamProcessor.processCtrlMessage(AbstractGeoSpatialStreamProcessor.java:591) at neptune.geospatial.core.resource.ManagedResource.dispatchControlMessage(ManagedResource.java:491) at neptune.geospatial.core.resource.ResourceProtocolHandler.handle(ResourceProtocolHandler.java:169) at neptune.geospatial.core.protocol.AbstractProtocolHandler.run(AbstractProtocolHandler.java:55) at java.lang.Thread.run(Thread.java:745)

thilinamb commented 8 years ago

Similar error.

Failed to split sketch java.lang.NullPointerException at io.sigpipe.sing.graph.Vertex.getFirstNeighbor(Vertex.java:104) at io.sigpipe.sing.query.RelationalQuery.prune(RelationalQuery.java:91) at io.sigpipe.sing.query.RelationalQuery.execute(RelationalQuery.java:51) at neptune.geospatial.graph.operators.SketchProcessor.split(SketchProcessor.java:109) at neptune.geospatial.core.protocol.processors.scalout.ScaleOutLockResponseProcessor.process(ScaleOutLockResponseProcessor.java:69) at neptune.geospatial.core.computations.AbstractGeoSpatialStreamProcessor.processCtrlMessage(AbstractGeoSpatialStreamProcessor.java:591) at neptune.geospatial.core.resource.ManagedResource.dispatchControlMessage(ManagedResource.java:491) at neptune.geospatial.core.resource.ResourceProtocolHandler.handle(ResourceProtocolHandler.java:61) at neptune.geospatial.core.protocol.AbstractProtocolHandler.run(AbstractProtocolHandler.java:55) at java.lang.Thread.run(Thread.java:745)

malensek commented 8 years ago

Are these executed on a sketch that was restored from disk?