Concluído

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 .

Habilidades: Microsoft SQL Server , Programação C#, ASP.NET, .NET

Acerca do Empregador:
( 0 comentários ) Slough, United Kingdom

ID do Projeto: #32658235

Concedido a:

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 Mais

£50 GBP em 7 dias
(0 Comentários)
0.0

21 freelancers estão ofertando em média £164 nesse trabalho

(37 Comentários)
5.9
(25 Comentários)
6.5
(20 Comentários)
5.9
(16 Comentários)
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 Mais

£200 GBP in 7 dias
(6 Comentários)
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 Mais

£220 GBP in 7 dias
(14 Comentários)
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 Mais

£100 GBP em 1 dia
(14 Comentários)
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 Mais

£100 GBP em 1 dia
(6 Comentários)
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 Mais

£50 GBP in 7 dias
(11 Comentários)
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 Mais

£100 GBP in 7 dias
(1 Comentário)
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 Mais

£250 GBP in 15 dias
(6 Comentários)
3.8
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 in 7 dias
(1 Comentário)
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 in 2 dias
(8 Comentários)
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 Mais

£100 GBP in 3 dias
(1 Comentário)
1.7
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 Mais

£150 GBP in 2 dias
(0 Comentários)
0.0
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 Mais

£135 GBP in 7 dias
(0 Comentários)
0.0
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 em 1 dia
(0 Comentários)
0.0
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

£135 GBP in 7 dias
(0 Comentários)
0.0
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 Mais

£200 GBP in 3 dias
(0 Comentários)
0.0
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 Mais

£250 GBP in 7 dias
(0 Comentários)
0.0