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https://issues.apache.org/jira/browse/TINKERPOP-2202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16830244#comment-16830244
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stephen mallette commented on TINKERPOP-2202:
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I'm really not sure why this would happen and I'm not sure how to recreate it.
Note that the query itself works fine with some mocked up data:
{code}
gremlin> g = TinkerFactory.createModern().traversal()
==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard]
gremlin> g.V().has('person','name','josh').as('m').
......1> V().has('person','name','vadas').as('v').
......2> addE('knows').from('m').to('v')
==>e[13][4-knows->2]
gremlin> g.V().has('person','name','marko').store('p').
......1> both('knows').
......2> group().
......3> by().
......4> by(both('knows').
......5> both('knows').
......6> where(within('p')).
......7> count())
==>[v[2]:1,v[4]:1]
{code}
Do you have some sample data (a Gremlin script) that allows reproduction of the
problem?
> Java.lang.Long cannot be cast to
> org.apache.tinkerpop.gremlin.process.traversal.traverser.util.TraverserSet in
> Tinkpop3.3.3(3.2.9)
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: TINKERPOP-2202
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2202
> Project: TinkerPop
> Issue Type: Bug
> Components: groovy
> Affects Versions: 3.3.3, 3.2.9
> Reporter: xiaoming
> Priority: Major
> Fix For: 3.2.3
>
>
> I am using gremlin to write some graph query test(see below for detailed
> code) which run on Tinkerpop(3.3.3), but I got the following errors:
> g.V().hasLabel('person').has('Person.id',
> 609).store('p').both('knows').group().by().by(both('knows').both('knows').where(within('p')).count())
> {quote}Java.lang.Long cannot be cast to
> org.apache.tinkerpop.gremlin.process.traversal.traverser.util.TraverserSet
> {quote}
> But the following two queries work well.
> # {{g.V().hasLabel('person').has('Person.id',
> 609).store('p').both('knows').group().by(both('knows').both('knows').where(within('p')).count())}}
> # g.V().hasLabel('person').has('Person.id',
> 609).store('p').both('knows').group().by().by(both('knows').where(within('p')).count())
> I don't have any idea about this, any solution will be appreciated. Thank in
> advance.
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