ConnectionResetError

In Python, ConnectionResetError is a built-in exception that arises when a network connection is forcefully closed by the peer. This typically happens when you’re trying to read from or write to a socket that has been closed on the other end.

As a developer, you might encounter this exception when working with network applications. It indicates that the remote host closed the connection unexpectedly.

ConnectionResetError Occurs When

Read from or writing to a socket that has been closed on the other end.

ConnectionResetError Can Be Used When

  • Handling unexpected disconnections in client-server applications
  • Implementing retry logic for network requests in web applications
  • Logging network errors for further analysis and debugging

Tutorial

Socket Programming in Python (Guide)

In this in-depth tutorial, you'll learn how to build a socket server and client with Python. By the end of this tutorial, you'll understand how to use the main functions and methods in Python's socket module to write your own networked client-server applications.

advanced python web-dev

For additional information on related topics, take a look at the following resources:


By Leodanis Pozo Ramos • Updated May 20, 2025