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Azure Functions DocumentClient could not load type from assembly exception


The located assembly's manifest definition does not match the assembly referenceCould not load file or assembly or one of its dependenciesSpring CodeConfig ScanAllAssemblies throws a ReflectionTypeLoadExceptionCould not load file or assembly … An attempt was made to load a program with an incorrect format (System.BadImageFormatException)Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013How to mark a List or IEnumerable serializable?ServiceBusTrigger: Could not load file or assembly 'Microsoft.Azure.ServiceBus'Could not load file or assembly 'AutoMapper' in .net projectCould not load file or assembly System.Fabric with Azure Functionscanceled while creating documents in cosmosdb






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3















I have an Azure Function v2 that calls into an utility library, which in turn instantiates a DocumentClient. When running my function locally, it throws an exception on this line:



_client = new DocumentClient(new Uri(cosmosDbEndpoint), cosmosDbAuthKey, Storage.SerializerSettings, connectionPolicy);



System.Private.CoreLib: Exception while executing function: ComponentDesignInserter-Http-UploadFiles. Microsoft.Azure.Documents.Client: Could not load type 'System.Diagnostics.Eventing.EventProviderTraceListener' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.




My utility library is .NET Framework 4.7. My Azure Function v2 project is .NET Standard 2.0. Is that a problem?



Or is this symptomatic of some dependency that I need to install in the Azure Function v2 project? A dependency that the utility library has but the Azure Function v2 project doesn't?










share|improve this question






















  • You shouldn't have a .NET Standard project reference a .NET Framework project.

    – Nathan Bierema
    Mar 9 at 1:15


















3















I have an Azure Function v2 that calls into an utility library, which in turn instantiates a DocumentClient. When running my function locally, it throws an exception on this line:



_client = new DocumentClient(new Uri(cosmosDbEndpoint), cosmosDbAuthKey, Storage.SerializerSettings, connectionPolicy);



System.Private.CoreLib: Exception while executing function: ComponentDesignInserter-Http-UploadFiles. Microsoft.Azure.Documents.Client: Could not load type 'System.Diagnostics.Eventing.EventProviderTraceListener' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.




My utility library is .NET Framework 4.7. My Azure Function v2 project is .NET Standard 2.0. Is that a problem?



Or is this symptomatic of some dependency that I need to install in the Azure Function v2 project? A dependency that the utility library has but the Azure Function v2 project doesn't?










share|improve this question






















  • You shouldn't have a .NET Standard project reference a .NET Framework project.

    – Nathan Bierema
    Mar 9 at 1:15














3












3








3








I have an Azure Function v2 that calls into an utility library, which in turn instantiates a DocumentClient. When running my function locally, it throws an exception on this line:



_client = new DocumentClient(new Uri(cosmosDbEndpoint), cosmosDbAuthKey, Storage.SerializerSettings, connectionPolicy);



System.Private.CoreLib: Exception while executing function: ComponentDesignInserter-Http-UploadFiles. Microsoft.Azure.Documents.Client: Could not load type 'System.Diagnostics.Eventing.EventProviderTraceListener' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.




My utility library is .NET Framework 4.7. My Azure Function v2 project is .NET Standard 2.0. Is that a problem?



Or is this symptomatic of some dependency that I need to install in the Azure Function v2 project? A dependency that the utility library has but the Azure Function v2 project doesn't?










share|improve this question














I have an Azure Function v2 that calls into an utility library, which in turn instantiates a DocumentClient. When running my function locally, it throws an exception on this line:



_client = new DocumentClient(new Uri(cosmosDbEndpoint), cosmosDbAuthKey, Storage.SerializerSettings, connectionPolicy);



System.Private.CoreLib: Exception while executing function: ComponentDesignInserter-Http-UploadFiles. Microsoft.Azure.Documents.Client: Could not load type 'System.Diagnostics.Eventing.EventProviderTraceListener' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.




My utility library is .NET Framework 4.7. My Azure Function v2 project is .NET Standard 2.0. Is that a problem?



Or is this symptomatic of some dependency that I need to install in the Azure Function v2 project? A dependency that the utility library has but the Azure Function v2 project doesn't?







c# azure azure-functions azure-cosmosdb .net-standard-2.0






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 9 at 1:08









Scott HScott H

1,8631154




1,8631154












  • You shouldn't have a .NET Standard project reference a .NET Framework project.

    – Nathan Bierema
    Mar 9 at 1:15


















  • You shouldn't have a .NET Standard project reference a .NET Framework project.

    – Nathan Bierema
    Mar 9 at 1:15

















You shouldn't have a .NET Standard project reference a .NET Framework project.

– Nathan Bierema
Mar 9 at 1:15






You shouldn't have a .NET Standard project reference a .NET Framework project.

– Nathan Bierema
Mar 9 at 1:15













1 Answer
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1














As you mention, the problem is that you are using a NET Framework 4.7 library from a NET Standard 2.0 project.



Make sure that in your NET 4.7 library, you are using the Cosmos DB Core SDK: https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.Core/



Not the NET Full Framework package (https://www.nuget.org/packages/Microsoft.Azure.DocumentDB).



In your Azure Functions V2 project, you also need to use the same nuget (Core). If you are using the Microsoft.Azure.WebJobs.Extensions.CosmosDB package, it is already included.






share|improve this answer























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    1 Answer
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    active

    oldest

    votes






    active

    oldest

    votes









    1














    As you mention, the problem is that you are using a NET Framework 4.7 library from a NET Standard 2.0 project.



    Make sure that in your NET 4.7 library, you are using the Cosmos DB Core SDK: https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.Core/



    Not the NET Full Framework package (https://www.nuget.org/packages/Microsoft.Azure.DocumentDB).



    In your Azure Functions V2 project, you also need to use the same nuget (Core). If you are using the Microsoft.Azure.WebJobs.Extensions.CosmosDB package, it is already included.






    share|improve this answer



























      1














      As you mention, the problem is that you are using a NET Framework 4.7 library from a NET Standard 2.0 project.



      Make sure that in your NET 4.7 library, you are using the Cosmos DB Core SDK: https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.Core/



      Not the NET Full Framework package (https://www.nuget.org/packages/Microsoft.Azure.DocumentDB).



      In your Azure Functions V2 project, you also need to use the same nuget (Core). If you are using the Microsoft.Azure.WebJobs.Extensions.CosmosDB package, it is already included.






      share|improve this answer

























        1












        1








        1







        As you mention, the problem is that you are using a NET Framework 4.7 library from a NET Standard 2.0 project.



        Make sure that in your NET 4.7 library, you are using the Cosmos DB Core SDK: https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.Core/



        Not the NET Full Framework package (https://www.nuget.org/packages/Microsoft.Azure.DocumentDB).



        In your Azure Functions V2 project, you also need to use the same nuget (Core). If you are using the Microsoft.Azure.WebJobs.Extensions.CosmosDB package, it is already included.






        share|improve this answer













        As you mention, the problem is that you are using a NET Framework 4.7 library from a NET Standard 2.0 project.



        Make sure that in your NET 4.7 library, you are using the Cosmos DB Core SDK: https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.Core/



        Not the NET Full Framework package (https://www.nuget.org/packages/Microsoft.Azure.DocumentDB).



        In your Azure Functions V2 project, you also need to use the same nuget (Core). If you are using the Microsoft.Azure.WebJobs.Extensions.CosmosDB package, it is already included.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 12 at 15:27









        Matias QuarantaMatias Quaranta

        4,4061229




        4,4061229





























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