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https://issues.apache.org/jira/browse/TINKERPOP-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15674775#comment-15674775
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Marko A. Rodriguez commented on TINKERPOP-1461:
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This works now for GraphSON, but not for Gryo. Gryo {{Property}} serialization
needs to have {{Element}} reference.
> StarGraph has bad detach/attach logic for properties.
> -----------------------------------------------------
>
> Key: TINKERPOP-1461
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1461
> Project: TinkerPop
> Issue Type: Bug
> Components: hadoop, process, structure
> Affects Versions: 3.1.4, 3.2.2
> Reporter: Marko A. Rodriguez
>
> The following traversal breaks with a {{NullPointerException}} on
> {{SparkGraphComputer}}.
> {code}
> g.V().as("a").properties().select("a").outE().properties("skill").as("b").dedup().select("b").by(__.value()));
> {code}
> I believe it has to do with detachment in {{Path}}-data.
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