springboot

This error message typically indicates that the server is not running or is not accepting connections on the specified port. Here are some steps you can try to resolve the issue:

1. Check that your Spring Boot application is running and listening on port 2023. You can do this by looking at the logs or console output when you start the application. If it is not running, start the application and try again.

2. Verify that the port number specified in your request URL is correct. You can do this by checking the configuration of your Spring Boot application or by looking at the console output when you start the application.

3. Check that there are no firewalls or security groups blocking incoming connections to your server on port 2023. You may need to configure your firewall or security group to allow traffic on this port.

4. Check that Postman is configured to use the correct proxy settings if you are behind a proxy.

5. Try accessing the server from a different machine or network to see if the problem is specific to your current setup.

This error message typically indicates that a connection to a server at IP address 127.0.0.1 (which is a local loopback address also referred to as "localhost") on port number 2023 was refused.

There could be various reasons for this error, such as:

1. The server you are trying to connect to is not running or has stopped running.

2. The port number you are trying to connect to is not open or is being used by another process.

3. There is a firewall or other network configuration issue preventing the connection.

To resolve this error, you can try the following:

1. Check if the server is running and listening on the specified port.

2. Ensure that there is no other process using the same port.

3. Check any firewall or network configurations that may be blocking the connection.

4. Verify that the address and port number are correct and match the configuration of the server.

5. Restart the server and try again.

6. If the issue persists, consult the documentation or support resources for the software or system you are working with.

7.  Learn more AWS Classes in Pune

pls go through this link

 

https://stackoverflow.com/questions/42899916/getting-error-connect-econnrefused-127-0-0-13306-while-connecting-to-mysql

This error message indicates that Postman was unable to establish a connection to your local Spring Boot application running on port 2023.

• May be your Spring Boot application is not running or is not listening on the specified port. Make sure that the application is running and listening on the correct port.
• Check the logs of your Spring Boot application to see if there are any errors or issues that could be preventing it from accepting incoming connections.
• Try connecting to your Spring Boot application from a different tool or client, such as a web browser or curl. This can help you narrow down whether the issue is with Postman specifically or with the Spring Boot application.