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Twitter API responds with 'An existing connection was forcibly closed by the remote host'


Twitter API responds with 'An existing connection was forcibly closed by the remote host'

By : user3040114
Date : November 26 2020, 06:18 AM
wish of those help I came to install dotNET 4.5 and was given the options to repair/remove, indicating it was already installed! This was unexpected.
So I added this line of code:
code :


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WCF An existing connection was forcibly closed by the remote host

WCF An existing connection was forcibly closed by the remote host


By : MetFX
Date : March 29 2020, 07:55 AM
it should still fix some issue Have you enabled tracing on both sides (server and client)? You should see the source of the error in one of the tracefiles.
My guess are that you may have to increase some values of the XmlDictionaryReaderQuotas.
An existing connection was forcibly closed by the remote host - MPI

An existing connection was forcibly closed by the remote host - MPI


By : Paula Blank
Date : March 29 2020, 07:55 AM
This might help you MPI_Bcast() is a collective function, which means that every process in the communicator must call it. In other words, don't call MPI_Recv(). So get rid of your if(myrank == 0) conditional and have all processes call:
code :
MPI_Bcast(vec,W,MPI_INT,0,MPI_COMM_WORLD);
An existing connection was forcibly closed by the remote host web api

An existing connection was forcibly closed by the remote host web api


By : Paul Dexter
Date : March 29 2020, 07:55 AM
hope this fix your issue try to use wireshark to see what the exact issue and why is it persisting.
basically, it means that the remote side closed the connection (most commonly happens during TCP/IP RST packet) and the reason can vary:
An existing connection was forcibly closed by remote host

An existing connection was forcibly closed by remote host


By : user3066865
Date : December 24 2020, 10:44 AM
Does that help I think I solved my own issue. Since I have the exception triggered when sending data and the endpoint is off or not connected, I should check if it is connected or not before sending the data.
However, there is no straight forward way to find if the endpoint is connected. Since when I send data and the endpoint is off it triggers exception, the exception became my indicator that the endpoint is off and connection is lost. So what I do is that I create the Socket again within the "Catch" statement and try again every period of time until the Socket is connected again.
code :
               private void MessageCallBack(IAsyncResult aResult)
                {  
                 try
                {
                    int size = sck.EndReceiveFrom(aResult, ref epRemote);
                    if(size>0)
                    {
                        byte[] receivedData = new byte[1500];
                        receivedData = (byte[])aResult.AsyncState;
                        ASCIIEncoding eEncoding = new ASCIIEncoding();
                        string receivedMessage = eEncoding.GetString(receivedData);
                        listBox1.Invoke(new MethodInvoker(delegate { 
                    listBox1.Items.Add("From a friend: " + receivedMessage); }));
                    }
                    byte[] buffer = new byte[1500];
                    sck.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, 
                ref epRemote, new AsyncCallback(MessageCallBack), buffer);

                }
                catch(Exception exp)
                { /* here is the solution, when the Catch is triggered, close the 
                  socket and recreate it to avoid the issues that I been having of 
                  not sending messages and instability. I also added some functions 
                  that would keep sending the status and //being checked on the other 
                  side in order to keep online/offline status.*/

                    sck.Close();
                    sck = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 
                     ProtocolType.Udp);
                    sck.SetSocketOption(SocketOptionLevel.Socket, 
                     SocketOptionName.ReuseAddress, true);
                    connectEndPoint();
                    //MessageBox.Show("Exception Small Chat: " + exp.ToString());
                }
    }
An existing connection was forcibly closed by the remote host - WCF

An existing connection was forcibly closed by the remote host - WCF


By : Anshuman Pandey
Date : March 29 2020, 07:55 AM
With these it helps The best thing I've found for diagnosing things like this is the service trace viewer. It's pretty simple to set up (assuming you can edit the configs):
http://msdn.microsoft.com/en-us/library/ms732023.aspx
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