[jira] [Created] (TINKERPOP3-770) Exception while AddPropertyStep tries to detach vertex property

["Asaf Shakarchi (JIRA)" <ji...@apache.org>]

Asaf Shakarchi created TINKERPOP3-770:
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             Summary: Exception while AddPropertyStep tries to detach vertex property
                 Key: TINKERPOP3-770
                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-770
             Project: TinkerPop 3
          Issue Type: Bug
          Components: process
    Affects Versions: 3.1.0-incubating
            Reporter: Asaf Shakarchi
            Assignee: Marko A. Rodriguez


Hey,

It seems like AddProperty steps tries to detach the added property by:
evt = new Event.VertexPropertyChangedEvent(DetachedFactory.detach((Vertex) currentElement, true), newProperty ? null : DetachedFactory.detach((VertexProperty) currentProperty, true), value, vertexPropertyKeyValues);

It fails to do so,

Following is a java code that throws exception:
Graph g = TinkerFactory.createModern();
        ConsoleMutationListener l = new ConsoleMutationListener(g);
        EventStrategy eventStrategy = EventStrategy.build().addListener(l).create();
        GraphTraversalSource gts = GraphTraversalSource.build().with(eventStrategy).create(g);
        gts.addV().property("foo", "bar").next();


Here's the stack:

java.lang.IllegalStateException: The property does not exist as it has no key, value, or associated element
	at org.apache.tinkerpop.gremlin.structure.Property$Exceptions.propertyDoesNotExist(Property.java:151)
	at org.apache.tinkerpop.gremlin.structure.util.empty.EmptyVertexProperty.id(EmptyVertexProperty.java:49)
	at org.apache.tinkerpop.gremlin.structure.util.detached.DetachedElement.<init>(DetachedElement.java:50)
	at org.apache.tinkerpop.gremlin.structure.util.detached.DetachedVertexProperty.<init>(DetachedVertexProperty.java:47)
	at org.apache.tinkerpop.gremlin.structure.util.detached.DetachedFactory.detach(DetachedFactory.java:45)
	at org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.AddPropertyStep.sideEffect(AddPropertyStep.java:90)
	at org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.SideEffectStep.processNextStart(SideEffectStep.java:39)

Thanks.



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