Understanding the Dreaded “Websocket Error” and How to Fix it


Websockets are a popular technology used to create real-time communication between a client and a server. They are commonly used in web applications that require frequent updates, such as chat rooms or online gaming. However, despite their usefulness, websockets are not immune to errors.

What is a Websocket Error?

A websocket error occurs when there is an issue with the connection between the client and server. This can happen for a variety of reasons, including network issues, server overload, or bugs in the code. When a websocket error occurs, it can prevent the client from receiving updates from the server, which can lead to a poor user experience.

Common Causes of Websocket Errors

  1. Network Issues: One of the most common causes of websocket errors is network issues. This can include slow or unstable internet connections, firewalls blocking websocket connections, or issues with the client or server’s network configuration.
  2. Server Overload: If the server is overloaded with requests, it may not be able to handle new websocket connections, which can cause errors for clients attempting to connect.
  3. Bugs in the Code: Errors in the code can also cause websocket errors. This can include syntax errors, logic errors, or issues with the way the client or server is handling the connection.

How to Fix Websocket Errors

Fixing websocket errors can be a complex task, as there are many potential causes. However, there are a few common steps that can be taken to try and resolve these issues:

1. Check for Network Issues

If you suspect that network issues may be causing the websocket error, there are a few things you can try:

  • Check your internet connection: Make sure that you have a stable and fast internet connection. If your connection is slow or unstable, it may be causing the websocket error.
  • Check for firewall issues: If you have a firewall enabled, it may be blocking websocket connections. Check to see if your firewall is blocking the websocket port (usually port 80 or 443).
  • Check network configuration: Make sure that your client and server are configured correctly for websocket connections. Double-check the IP address, port, and protocol used for the connection.

2. Check Server Load

If the server is overloaded with requests, it may not be able to handle new websocket connections. If you suspect that server load is causing the websocket error, try the following:

  • Check server logs: Check the server logs for any errors or warnings related to websocket connections. This may help you identify any issues with the server load.
  • Optimize server configuration: If the server is overloaded, you may need to optimize its configuration to better handle websocket connections. This could include increasing server resources, optimizing code, or using a load balancer to distribute requests.

3. Debug Code

If the websocket error is caused by bugs in the code, you will need to debug the code to identify and fix the issue. This can include:

  • Checking for syntax errors: Make sure that there are no syntax errors in the code that could be causing the websocket error.
  • Checking for logic errors: Review the code logic to ensure that it is handling websocket connections correctly.
  • Using debugging tools: Use debugging tools to step through the code and identify any issues. This could include using a debugger or logging messages to the console.


What is a websocket?

A websocket is a technology used to create real-time communication between a client and server. It allows for bidirectional communication, meaning that both the client and server can send and receive messages.

What causes websocket errors?

Websocket errors can be caused by a variety of factors, including network issues, server overload, or bugs in the code.

How can I fix a websocket error?

To fix a websocket error, you will need to identify the cause of the error and take appropriate steps to resolve it. This may include checking for network issues, optimizing server configuration, or debugging the code.

Can websocket errors be prevented?

While it is impossible to prevent all websocket errors, there are steps that can be taken to minimize the likelihood of these errors occurring. This can include optimizing server configuration, using error-handling techniques in the code, and monitoring the network for potential issues.

Are there any tools available to help debug websocket errors?

Yes, there are several tools available to help debug websocket errors. These include debugging tools built into development environments, third-party debugger tools, and logging tools that can help track errors in the code.