[TINKERPOP-2281] EventStrategy does not support properties with multiple cardinlity

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 3.4.2
• Component/s: process
• Assignee: Unassigned
• Reporter: Pavel
• Created: 14/Aug/19 11:03
• Updated: 14/Aug/19 11:13
• Resolved: 14/Aug/19 11:13

Description

AddPropertyStep failed when properties has multiple values

java.lang.IllegalStateException: Multiple properties exist for the provided key, use Vertex.properties(_list_id)
	at org.apache.tinkerpop.gremlin.structure.Vertex$Exceptions.multiplePropertiesExistForProvidedKey(Vertex.java:179) ~[gremlin-core-3.4.2.jar:3.4.2]
	at org.apache.tinkerpop.gremlin.structure.Vertex.property(Vertex.java:74) ~[gremlin-core-3.4.2.jar:3.4.2]
	at org.apache.tinkerpop.gremlin.structure.Vertex.property(Vertex.java:38) ~[gremlin-core-3.4.2.jar:3.4.2]
	at org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.AddPropertyStep.sideEffect(AddPropertyStep.java:95) ~[gremlin-core-3.4.2.jar:3.4.2]

See line https://github.com/apache/tinkerpop/blob/master/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/sideEffect/AddPropertyStep.java#L95

Issue Links

• duplicates: TINKERPOP-2159 EventStrategy doesn't handle multi-valued properties