GremlinPipeLine Exception: java.lang.AbstractMethodError

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Charles Ye

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Aug 1, 2013, 11:31:44 PM8/1/13

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The following GremlinPipeline code:

List<Edge> edges = gremlin.start(startVertex).outE('EdgeLable').has('key','value').toList();

throws

java.lang.AbstractMethodError: com.thinkaurelius.titan.graphdb.query.VertexCentricQueryBuilder.has(Ljava/lang/String;Lcom/tinkerpop/blueprints/Predicate;Ljava/lang/Object;)Lcom/tinkerpop/blueprints/VertexQuery;
    at com.tinkerpop.pipes.transform.VertexQueryPipe.processNextStart(VertexQueryPipe.java:92)
    at com.tinkerpop.pipes.transform.VertexQueryPipe.processNextStart(VertexQueryPipe.java:19)
    at com.tinkerpop.pipes.AbstractPipe.next(AbstractPipe.java:89)
    at com.tinkerpop.pipes.IdentityPipe.processNextStart(IdentityPipe.java:19)
    at com.tinkerpop.pipes.AbstractPipe.next(AbstractPipe.java:89)
    at com.tinkerpop.pipes.util.Pipeline.next(Pipeline.java:115)
    at com.tinkerpop.pipes.util.PipeHelper.fillCollection(PipeHelper.java:52)
    at com.tinkerpop.gremlin.java.GremlinPipeline.toList(GremlinPipeline.java:1564)

The same code works with other GraphDB vendors. Do you have any idea about it?

Thanks
Charles
NextGate Solutions

Matthias Broecheler

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Aug 1, 2013, 11:41:07 PM8/1/13

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I believe this requires the most recent version of Blueprints.

Titan has not yet been upgraded to Blueprints 2.4.0 since its still SNAPSHOT.

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