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Error with fusion: An item with the same key has already been added, when require the same field on type extension #6993

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rowe-stamy opened this issue Mar 18, 2024 · 0 comments · May be fixed by #6995
Open

Error with fusion: An item with the same key has already been added, when require the same field on type extension #6993

rowe-stamy opened this issue Mar 18, 2024 · 0 comments · May be fixed by #6995
Labels
Area: Fusion Issue is related to Hot Chocolate Fusion 🐛 bug Something isn't working 🌶️ hot chocolate

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@rowe-stamy
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Product

Hot Chocolate

Version

14.0.0-p66

Link to minimal reproduction

https://github.com/rowe-stamy/FusionBug

Steps to reproduce

Launch all three projects (ServiceA, ServiceB and Gateway) and run the problematic query against the gateway:

query problem {
  foos {
    commonField
    barByCommonField {
      barField
    }
    fizzByCommonField {
      fizzField
    }
  }
}

What is expected?

The expected outcome should be data as follows:

{
  "data": {
    "foos": [
      {
        "commonField": "commonFieldValue",
        "barByCommonField": {
          "barField": "barFieldValue"
        }
        "fizzByCommonField": {
          "fizzField": "barFieldValue"
        }
      }
    ]
  }
}

What is actually happening?

I am getting a "Unexpected Execution Error"
with the following message:
"An item with the same key has already been added. Key: Foo_commonField"

Relevant log output

at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior) 
at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value) 
at HotChocolate.Fusion.Planning.Pipeline.FieldRequirementsPlannerMiddleware.ResolveVariablesInContext(QueryPlanContext context, FieldContext fieldContext, SelectionExecutionStep executionStep, ObjectFieldInfo fieldInfo, ISelectionSet selectionSet, ResolverDefinition resolver) 
at HotChocolate.Fusion.Planning.Pipeline.FieldRequirementsPlannerMiddleware.ResolveRequirementsForSelectionResolvers(QueryPlanContext context, FieldContext fieldContext, SelectionExecutionStep currentStep, ISelection parentSelection) 
at HotChocolate.Fusion.Planning.Pipeline.FieldRequirementsPlannerMiddleware.Invoke(QueryPlanContext context, QueryPlanDelegate next) 
at HotChocolate.Fusion.Planning.QueryPlanPipelineBuilder.<>c__DisplayClass5_1`1.<Use>b__1(QueryPlanContext context)
at HotChocolate.Fusion.Planning.Pipeline.ExecutionStepDiscoveryMiddleware.Invoke(QueryPlanContext context, QueryPlanDelegate next) 
at HotChocolate.Fusion.Planning.QueryPlanPipelineBuilder.<>c__DisplayClass5_1`1.<Use>b__1(QueryPlanContext context) 
at HotChocolate.Fusion.Planning.QueryPlanner.Plan(IOperation operation) 
at HotChocolate.Fusion.Execution.Pipeline.OperationQueryPlanCompiler.OptimizeOperation(OperationOptimizerContext context) 
at HotChocolate.Execution.Processing.OperationCompiler.CreateOperation(String operationId, OperationDefinitionNode operationDefinition, ObjectType operationType, DocumentNode document, ISchema schema) 
at HotChocolate.Execution.Processing.OperationCompiler.Compile(String operationId, OperationDefinitionNode operationDefinition, ObjectType operationType, DocumentNode document, ISchema schema, IReadOnlyList`1 optimizers, Boolean enableNullBubbling) 
at HotChocolate.Execution.Pipeline.OperationResolverMiddleware.CompileOperation(IRequestContext context, String operationId, OperationDefinitionNode operationDefinition, ObjectType operationType) 
at HotChocolate.Execution.Pipeline.OperationResolverMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.OperationComplexityMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.OperationCacheMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.DocumentValidationMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.DocumentParserMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.DocumentCacheMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.TimeoutMiddleware.InvokeAsync(IRequestContext context) 
at HotChocolate.Execution.Pipeline.ExceptionMiddleware.InvokeAsync(IRequestContext context)"

Additional context

No response
@rowe-stamy rowe-stamy added the 🐛 bug Something isn't working label Mar 18, 2024
@rowe-stamy rowe-stamy linked a pull request Mar 19, 2024 that will close this issue
Open
@michaelstaib michaelstaib added 🌶️ hot chocolate Area: Fusion Issue is related to Hot Chocolate Fusion labels Mar 20, 2024
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Area: Fusion Issue is related to Hot Chocolate Fusion 🐛 bug Something isn't working 🌶️ hot chocolate
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ignore when required variable was already added to selection rowe-stamy/graphql-platform
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@michaelstaib @rowe-stamy