What is the solution for the REST Client response of "The connection was rejected"?

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There could be multiple solutions for the REST Client response of "The connection was rejected". Here are some of the common solutions:

1. Check the server URL: Make sure the server URL is correct and valid. There could be a typo in the URL or the server might not be running.

2. Check the server status: Check if the server is running and accessible. You can try accessing the server using a web browser to see if it's working.

3. Check the firewall settings: The firewall may be blocking the REST client from connecting to the server. Check the firewall settings and allow the REST client to access the server.

4. Check the proxy settings: If you're using a proxy to connect to the internet, check the proxy settings and make sure they're correct.

5. Increase the timeout value: If the server is taking too long to respond, increase the timeout value in the REST Client settings.

6. Check the SSL certificate: If the server is using SSL, make sure the SSL certificate is valid and trusted.

7. Check the authentication: If the server requires authentication, make sure you're using the correct credentials to access it.