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Posted to dev@tinkerpop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/08/03 20:15:00 UTC

[jira] [Commented] (TINKERPOP-2585) Traversal failed for different strategies order

    [ https://issues.apache.org/jira/browse/TINKERPOP-2585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392513#comment-17392513 ] 

ASF GitHub Bot commented on TINKERPOP-2585:
-------------------------------------------

spmallette opened a new pull request #1460:
URL: https://github.com/apache/tinkerpop/pull/1460


   https://issues.apache.org/jira/browse/TINKERPOP-2585
   
   Addressed two separate but perhaps related bugs given the strategy order changes for 3.5.0. The comments on each commit will provide more details.
   
   All tests pass with `docker/build.sh -t -n -i`
   
   VOTE +1


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> Traversal failed for different strategies order
> -----------------------------------------------
>
>                 Key: TINKERPOP-2585
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2585
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: process
>    Affects Versions: 3.5.0
>            Reporter: Pavel
>            Priority: Major
>
> Test randomly reproduced, empirically failed when PathRetractionStrategy apply before InlineFilterStrategy
> https://gist.github.com/mad/3027855063bed41bae0a2aa7d2051352
> In real code strategies may change order during static vars initialized 
> {code}
> 0
> strategies[ConnectiveStrategy, EarlyLimitStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, RepeatUnrollStrategy, IncidentToAdjacentStrategy, FilterRankingStrategy, InlineFilterStrategy, ByModulatorOptimizationStrategy, CountStrategy, AdjacentToIncidentStrategy, PathRetractionStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 1
> strategies[ConnectiveStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, EarlyLimitStrategy, RepeatUnrollStrategy, ByModulatorOptimizationStrategy, CountStrategy, IncidentToAdjacentStrategy, FilterRankingStrategy, InlineFilterStrategy, PathRetractionStrategy, AdjacentToIncidentStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 2
> strategies[ConnectiveStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, EarlyLimitStrategy, IncidentToAdjacentStrategy, FilterRankingStrategy, InlineFilterStrategy, RepeatUnrollStrategy, PathRetractionStrategy, CountStrategy, AdjacentToIncidentStrategy, LazyBarrierStrategy, ByModulatorOptimizationStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 3
> strategies[ConnectiveStrategy, EarlyLimitStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, IncidentToAdjacentStrategy, FilterRankingStrategy, InlineFilterStrategy, AdjacentToIncidentStrategy, ByModulatorOptimizationStrategy, RepeatUnrollStrategy, PathRetractionStrategy, CountStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 4
> strategies[ConnectiveStrategy, EarlyLimitStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, RepeatUnrollStrategy, FilterRankingStrategy, InlineFilterStrategy, IncidentToAdjacentStrategy, AdjacentToIncidentStrategy, CountStrategy, PathRetractionStrategy, LazyBarrierStrategy, ByModulatorOptimizationStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 5
> strategies[ConnectiveStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, EarlyLimitStrategy, RepeatUnrollStrategy, ByModulatorOptimizationStrategy, FilterRankingStrategy, IncidentToAdjacentStrategy, InlineFilterStrategy, CountStrategy, PathRetractionStrategy, AdjacentToIncidentStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 6
> strategies[ConnectiveStrategy, EarlyLimitStrategy, RepeatUnrollStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, FilterRankingStrategy, InlineFilterStrategy, IncidentToAdjacentStrategy, AdjacentToIncidentStrategy, ByModulatorOptimizationStrategy, PathRetractionStrategy, CountStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 7
> strategies[ConnectiveStrategy, EarlyLimitStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, FilterRankingStrategy, InlineFilterStrategy, IncidentToAdjacentStrategy, AdjacentToIncidentStrategy, CountStrategy, RepeatUnrollStrategy, PathRetractionStrategy, LazyBarrierStrategy, ByModulatorOptimizationStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 8
> strategies[ConnectiveStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, EarlyLimitStrategy, RepeatUnrollStrategy, FilterRankingStrategy, InlineFilterStrategy, IncidentToAdjacentStrategy, AdjacentToIncidentStrategy, PathRetractionStrategy, CountStrategy, ByModulatorOptimizationStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> 9
> strategies[ConnectiveStrategy, IdentityRemovalStrategy, MatchPredicateStrategy, RepeatUnrollStrategy, ByModulatorOptimizationStrategy, IncidentToAdjacentStrategy, PathRetractionStrategy, FilterRankingStrategy, InlineFilterStrategy, CountStrategy, AdjacentToIncidentStrategy, EarlyLimitStrategy, LazyBarrierStrategy, TinkerGraphCountStrategy, TinkerGraphStepStrategy, ProfileStrategy, StandardVerificationStrategy]
> java.lang.IllegalArgumentException: The provided traverser does not map to a value: v[4]->[SelectOneStep(last,org1), IdStep]
> 	at org.apache.tinkerpop.gremlin.process.traversal.util.TraversalUtil.apply(TraversalUtil.java:46)
> 	at org.apache.tinkerpop.gremlin.process.traversal.util.TraversalUtil.applyNullable(TraversalUtil.java:87)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.map.ProjectStep.map(ProjectStep.java:55)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.map.ProjectStep.map(ProjectStep.java:40)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.map.ScalarMapStep.processNextStart(ScalarMapStep.java:40)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.hasNext(AbstractStep.java:150)
> 	at org.apache.tinkerpop.gremlin.process.traversal.util.DefaultTraversal.hasNext(DefaultTraversal.java:216)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.map.FlatMapStep.processNextStart(FlatMapStep.java:44)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:135)
> 	at org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:40)
> 	at org.apache.tinkerpop.gremlin.process.traversal.Traversal.fill(Traversal.java:184)
> 	at org.apache.tinkerpop.gremlin.process.traversal.Traversal.toList(Traversal.java:122)
> Process finished with exit code 255
> {code}
> Script for repeat execution
> {code}
> watch -e -n 0.1 'mvn verify  -Dit.test=TraversalFailIT -l 1.log'
> {code}



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