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https://issues.apache.org/jira/browse/TINKERPOP3-810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717096#comment-14717096
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Matt Frantz commented on TINKERPOP3-810:
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I worked pretty hard to make this repro fit on one page, as it occurred in a
much, much larger context originally. If you remove the {{sideEffect}}
debugging steps, it's not that long, is it? I don't know what the key elements
are.
> store not visible
> -----------------
>
> Key: TINKERPOP3-810
> URL: https://issues.apache.org/jira/browse/TINKERPOP3-810
> Project: TinkerPop 3
> Issue Type: Bug
> Components: process
> Affects Versions: 3.0.0-incubating
> Reporter: Matt Frantz
> Assignee: Marko A. Rodriguez
>
> In the following traversal, I can see (via the println) that the {{store}}
> executes, but the {{select}} inside the {{until}} does not seem to see it.
> The result is an infinite loop.
> {noformat}
> g = TinkerFactory.createModern().traversal();
> g.V().until(
> or(values('name').is('marko'),
> sideEffect{it ->
> System.err.println('until:' + it.get());
> System.err.println(it.getClass().getSimpleName());
> System.err.println(it.getSideEffects());
> }
> .select('x'))).
> repeat(both()).
> store('x').
> sideEffect{it ->
> System.err.println('done:' + it.get());
> System.err.println(it.getSideEffects());
> System.err.println(it.getSideEffects().get('x'));
> }.
> count()
> {noformat}
> Here are the first few lines of output:
> {noformat}
> done:v[1]
> sideEffects[size:1]
> Optional[{v[1]=1}]
> until:v[2]
> B_O_S_SE_SL_Traverser
> sideEffects[size:0]
> done:v[1]
> sideEffects[size:1]
> Optional[{v[1]=2}]
> until:v[3]
> B_O_S_SE_SL_Traverser
> sideEffects[size:0]
> done:v[1]
> sideEffects[size:1]
> Optional[{v[1]=3}]
> ...
> {noformat}
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