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Fix the Issue in .Net Core Project

Web based Application based on ASP .NET Core (Migration from 2.1 to 3.1 ) with Autofac , Entityframework , SQL Server 2018 etc . Need some Threading experience .

An exception was thrown while invoking the constructor 'Void .ctor(***.[login to view URL], [login to view URL],**.[login to view URL])' on type '***APIProvider'. --->

An item with the same key has already been added. Key: [login to view URL] (See inner exception for details.)

at [login to view URL]`[login to view URL](TKey key, TValue value, InsertionBehavior behavior)

at [login to view URL](HeaderDescriptor descriptor, String value)

at ...............

at ..........

This issue occurs only in Production and once it occurs it starts erroring for all requests .

Kemahiran: Pelayan Microsoft SQL, Pengaturcaraan C#, ASP.NET, .NET

Tentang Majikan:
( 0 ulasan ) Slough, United Kingdom

ID Projek: #32658235

Dianugerahkan kepada:

ChrisDevelops

Hello there, I'm Chris, a long-time .Net chap. I've been writing C# and using .Net since they were invented. This looks straightforward enough, AutoFac, EF & SQL aren't going to be part of it, the solution will very l Lagi

£50 GBP dalam 7 hari
(0 Ulasan)
0.0

21 pekerja bebas membida secara purata £164 untuk pekerjaan ini

(37 Ulasan)
5.9
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5.9
(16 Ulasan)
5.8
subhanisaleem

Hello, how are you? I've read your description and checked your skill requirement and I'm very confident of this job. I'm a senior web developer and I have rich experience in this field. About me, please check my profi Lagi

£200 GBP dalam 7 hari
(6 Ulasan)
5.2
harune

Hello. I am a Certified PMP (Project Management Professional) & Scrum (Agile) Professional offering services as Full Stack Developer (Frontend & BackEnd), having hands-on experience of developing small, medium and ente Lagi

£220 GBP dalam 7 hari
(14 Ulasan)
5.3
malkesh3m

*Hello..., My Availability: 40+ hours/week. Ready to start work immediately. I read your requirement of ASP.NET Developer to I am 5+ years experienced full stack .net developer in ASP.NET Core / MVC / WinForm, C#, Raz Lagi

£100 GBP dalam sehari
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4.6
RomanMatveev1

*****ASP.NET CORE MVC EXPERT***** Hello, dear client It is my great honor to read your project requirement and place my bid. I am Asp.net core and c# expert and have enough experience. I want to make a good friendship Lagi

£100 GBP dalam sehari
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3.7
nguyentuan24

Dear my client, I am professional software engineer and System Admin. I have a lot of work experiences in .net, system I can start right now. Please give me an opportunity to work with you. Looking forward to chatt Lagi

£50 GBP dalam 7 hari
(11 Ulasan)
3.6
ulise28

Hello, It seems that at some point in your code one entry was added with the same key in a dictionary ( a collection type that indexes by unique keys ). Most likely the request you are making to an api. I am currentl Lagi

£100 GBP dalam 7 hari
(1 Ulasan)
3.6
yogeshs0299

hey I am software developer with 8 years of experience .I have read all your instructions. I am expert in c#, html5, .NET, asp.net , .NET CORE, JavaScript, MVC, PAYMENT GATEWAY INTEGRATION and many more... so please co Lagi

£250 GBP dalam 15 hari
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heysaad

You must be having load balancer in between, which is adding some extra headers eg. X-Forwarded-For etc. I can help you to fix the issue, may need server or code access. Regards, Saad Shaikh

£100 GBP dalam 7 hari
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3.4
TsehelnykAlona

Hi there, I am a expert Program egineer. As a guru of .NET Core, I can fix your bug fast and clearly please contact to me about your project best regard

£200 GBP dalam 2 hari
(8 Ulasan)
2.6
andylawsonstatz

Hello, sir! I have read your requirement and I noticed that I am appropriate to this project. As a skillful software developer, I have rich experience with .Net Core. I promise I will finish this project with high qual Lagi

£100 GBP dalam 3 hari
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MaksimKholin

Hello Client. I've carefully read your job details. That's easy, that's for sure. I'm attracted to your suggestion and have sufficient confident, so I have interested in your project and also you. I am an senior web d Lagi

£150 GBP dalam 2 hari
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sushilv13

I just finished with one project, and I don't have any more projects at the moment. I will be able to give it my full attention and complete it on time. Other than that, I have all the skills you mentioned, and I can e Lagi

£135 GBP dalam 7 hari
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IxtiyarMuradoglu

Hi. I can figure out your problem. It probably occurs because of ef core. Text me back please. I will be fix it.

£135 GBP dalam sehari
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RajChandan

Hi Dear, I am having around 9 years in software development with .Net technology and SQL database. I am ready to take this opportunity. So think once and discuss early to start. Thanks

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TheRulingAlfa

I have 5 years of experience in C# .NET Developer & Microsoft Technologies. If hired by you I will be responsible to complete the task within the stipulated time frame and with utmost confidence. Outsource me for your Lagi

£200 GBP dalam 3 hari
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alioke08

Hi, I am Senior .Net Core Developer I have read your project This is a good project and will to join as soon as well Experience more than 11 years in web and desktop application My skill : - SQL Server and Oracle Lagi

£250 GBP dalam 7 hari
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