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https://issues.apache.org/jira/browse/TINKERPOP-1424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15622811#comment-15622811
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Marko A. Rodriguez commented on TINKERPOP-1424:
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Is this still an issue now that we have {{TINKERPOP-1280}} implemented?
> PathRetractionStrategy can easily break VertexPrograms
> ------------------------------------------------------
>
> Key: TINKERPOP-1424
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1424
> Project: TinkerPop
> Issue Type: Bug
> Components: process
> Affects Versions: 3.2.1
> Reporter: Daniel Kuppitz
>
> I just ran into an issue where I had to remove {{PathRetractionStrategy}}
> from the traversal strategies. The traversal was something like this:
> {code}
> g.V().out().as("a").out().program(myVertexProgram)
> {code}
> ..and {{myVertexProgram}} tried to access the path label "a". This doesn't
> work if {{PathRetractionStrategy}} is used.
> I think we need to extend VertexPrograms, like in TINKERPOP-1280. If a
> VertexProgram has a {{LABELED_PATH}} requirement, it should also provide
> information about which labels it needs access to.
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