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Posted to dev@tinkerpop.apache.org by "Jorge Bay (Jira)" <ji...@apache.org> on 2020/06/11 11:15:00 UTC
[jira] [Updated] (TINKERPOP-2377) Investigate intermittent .NET GLV
test failures
[ https://issues.apache.org/jira/browse/TINKERPOP-2377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jorge Bay updated TINKERPOP-2377:
---------------------------------
Fix Version/s: 3.5.0
> Investigate intermittent .NET GLV test failures
> ------------------------------------------------
>
> Key: TINKERPOP-2377
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2377
> Project: TinkerPop
> Issue Type: Improvement
> Components: dotnet
> Affects Versions: 3.4.6
> Reporter: Stephen Mallette
> Priority: Minor
> Fix For: 3.5.0
>
>
> Travis builds of .NET seem instable. Some of that instability is out of our control and bound to the travis environment but I've noticed at least one odd pattern of failure around these tests:
> {code}
> Failures and skipped scenarios:
> 1) g_V_constantXnullX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversal`2.Constant[E2](E2 e) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversal.cs:line 428
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 2) g_V_outE_propertyXweight_nullX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversal`2.Property(Object key, Object value, Object[] keyValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversal.cs:line 1265
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 3) g_V_mapXconstantXnullXX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversal`2.Constant[E2](E2 e) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversal.cs:line 428
> at Gremlin.Net.Process.Traversal.__.Constant[E2](E2 a) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/__.cs:line 278
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.StaticTraversalParameter.GetValue() in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/StaticTraversalParameter.cs:line 64
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.BuildParameters(MethodInfo method, Token token, IDictionary`2& genericParameterTypes) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 247
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 4) g_V_hasLabelXpersonX_propertyXname_nullX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversal`2.Property(Object key, Object value, Object[] keyValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversal.cs:line 1265
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 5) g_addVXnullX_propertyXid_nullX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversalSource.AddV(ITraversal vertexLabelTraversal) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversalSource.cs:line 337
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 6) g_V_group_byXageX: Scenario ignored
> 7) g_injectXnull_1_3_nullX: Failed
> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
> ---> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversalSource.Inject[S](S[] starts) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversalSource.cs:line 350
> --- End of inner exception stack trace ---
> at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
> at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversalFromTokens(IList`1 tokens, GraphTraversalSource g, IDictionary`2 contextParameterValues, String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 78
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 8) g_injectX10_20_null_20_10_10X_groupCountXxX_dedup_asXyX_projectXa_bX_by_byXselectXxX_selectXselectXyXXX: Failed
> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversalSource.Inject[S](S[] starts) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversalSource.cs:line 350
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.<>c.<.cctor>b__23_1(GraphTraversalSource g) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 41
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> 9) g_injectXname_marko_age_nullX_selectXname_ageX: Failed
> System.ArgumentNullException: Value cannot be null. (Parameter 'key')
> at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
> at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
> at Gremlin.Net.Process.Traversal.Bindings.GetBoundVariable[TV](TV value) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bindings.cs:line 66
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 113
> at Gremlin.Net.Process.Traversal.Bytecode.ConvertArgument(Object argument, Boolean searchBindings) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 128
> at Gremlin.Net.Process.Traversal.Bytecode.FlattenArguments(Object[] arguments) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 105
> at Gremlin.Net.Process.Traversal.Bytecode.AddStep(String stepName, Object[] args) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/Bytecode.cs:line 88
> at Gremlin.Net.Process.Traversal.GraphTraversalSource.Inject[S](S[] starts) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Process/Traversal/GraphTraversalSource.cs:line 350
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.<>c.<.cctor>b__23_2(GraphTraversalSource g) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 42
> at Gremlin.Net.IntegrationTest.Gherkin.TraversalEvaluation.TraversalParser.GetTraversal(String traversalText, GraphTraversalSource g, IDictionary`2 contextParameterValues) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/TraversalEvaluation/TraversalParser.cs:line 69
> at Gremlin.Net.IntegrationTest.Gherkin.CommonSteps.TranslateTraversal(String traversalText) in /home/travis/build/apache/tinkerpop/gremlin-dotnet/test/Gremlin.Net.IntegrationTest/Gherkin/CommonSteps.cs:line 108
> {code}
> I'm not sure if anything can be discerned from these stracktraces, but, if not, the next time they fail in this way I will be sure to grab the entire travis output.
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