Error while connecting to WebSocket from Agular with SockJS (GET “mylocalhost” net::ERR_CONNECTION_REFUSED)

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There are several potential causes for an error while connecting to a WebSocket from Angular with SockJS. Some possible causes and solutions include:

  1. Network issues: If there are network issues, such as a firewall or proxy blocking the connection, you may see an error while trying to connect to the WebSocket. In this case, you should check your network configuration and ensure that the connection is not being blocked.
  2. Server configuration: If the WebSocket server is not configured correctly, you may see an error while trying to connect. In this case, you should check the server’s configuration and ensure that it is set up to allow WebSocket connections.
  3. Client configuration: If the client is not configured correctly, you may see an error while trying to connect to the WebSocket. In this case, you should check the client’s configuration and ensure that it is set up to connect to the WebSocket.
  4. CORS issues: If you are trying to connect to a WebSocket from a different domain than the server, you may encounter CORS (Cross-Origin Resource Sharing) issues. In this case, you should ensure that the server is configured to allow CORS, or use a CORS proxy to bypass the CORS restrictions.

If you are encountering an error while trying to connect to a WebSocket from Angular with SockJS, it is recommended to carefully review the configuration and settings on both the client and server, and ensure that there are no network or security issues blocking the connection.

GET “mylocalhost” net::ERR_CONNECTION_REFUSED

The error “GET ‘mylocalhost’ net::ERR_CONNECTION_REFUSED” typically indicates that the client (e.g., a web browser) is unable to establish a connection to the server at the specified address. This can be caused by a variety of issues, including:

  1. The server is not running: If the server is not running or is not listening on the correct port, you will see this error. You should check to ensure that the server is running and that it is listening on the correct port.
  2. The server is experiencing issues: If the server is experiencing problems, such as high load or a hardware failure, it may not be able to accept connections. You should check the server’s logs and system resources to determine the cause of the issue.
  3. Network issues: If there are network issues, such as a firewall or proxy blocking the connection, you may see this error. You should check your network configuration and ensure that the connection is not being blocked.
  4. Incorrect address: If you have entered the wrong address or are using an incorrect URL, you may see this error. You should check the address and ensure that it is correct.

If you are experiencing this error, it is recommended to check the server and network configuration, as well as the address and URL being used, to determine the cause of the issue.

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