WebSocket Connection Error: No Buffer Space Available (Maximum Connections Reached?) - Java

This exception is thrown when there is an error during the initiation of a WebSocket connection. The specific error message indicates that the HTTP request to initiate the WebSocket connection to the specified URL failed.

The root cause of the exception is a "No buffer space available" error, which suggests that the maximum number of connections has been reached and there is no more buffer space available to create new connections.

To resolve this issue, you can try the following steps:
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1. Increase the maximum number of connections allowed in your system. This can be done by modifying the relevant configuration settings in your operating system or web server.
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2. Check if there are any other applications or processes running on your system that are using a large number of connections. If possible, try to reduce the number of connections used by those applications.
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3. Make sure that the WebSocket server is running and reachable at the specified URL. Check if there are any firewall or network restrictions that might be blocking the connection.
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4. If you are using a WebSocket client library, make sure that you are using the latest version. There might be known issues or bugs related to connection handling that have been fixed in newer versions.
   
   If the issue persists, you may need to consult the documentation or seek support from the WebSocket library or framework you are using for further assistance.