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https://issues.apache.org/jira/browse/TINKERPOP-2585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17398008#comment-17398008
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ASF GitHub Bot commented on TINKERPOP-2585:
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spmallette merged pull request #1460:
URL: https://github.com/apache/tinkerpop/pull/1460
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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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