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Posted to dev@tinkerpop.apache.org by "Pavel (Jira)" <ji...@apache.org> on 2021/07/02 16:19:00 UTC

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

Pavel created TINKERPOP-2585:
--------------------------------

             Summary: Traversal failed for different strategies order
                 Key: TINKERPOP-2585
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2585
             Project: TinkerPop
          Issue Type: Bug
    Affects Versions: 3.5.0, 3.5.1
            Reporter: Pavel


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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