Microsoft.AspNetCore.Connections.ConnectionResetException : The client has disconnected ---> System.Runtime.InteropServices.COMException : An operation was attempted on a nonexistent network connection. (0x800704CD)

Question

Hello Everyone,

I am getting the error while testing performance of my function app. I am trying with 50 user its working fine, but once I am trying with 70 Users its start throwing error. I am using SoapUI for load and performance testing.

Error:
Microsoft.AspNetCore.Connections.ConnectionResetException : The client has disconnected ---> System.Runtime.InteropServices.COMException : An operation was attempted on a nonexistent network connection. (0x800704CD)

My function app generating PDF file.

Answer 1

@Chandan Kumar Singh Thank you for reaching out to Microsoft Q&A. Based on the exception above, it appears that the client closed the connection before the call was completed. Refer our product team's comment on this issue here and recommend you review the client side set up.

Also, would like to let you know there is a similar discussion in aspnetcore repo about logging this exception and please share your feedback details in the repo for.NET team to review. If you have any other questions, feel free to add a comment or upvote if it helped.