<html><body><div>Hi all,<br></div><div><br></div><div>I have built a small library to
target several IP behind a given HTTPS endpoint based
on <a rel="noopener noreferrer" href="http://java.net">java.net</a>.http.HttpClient, <a rel="noopener noreferrer" href="https://github.com/nhenneaux/resilient-httpclient">https://github.com/nhenneaux/resilient-httpclient</a>. <br></div><div><br></div><div>It relies for some endpoints on SNI
server name specified through method
<a rel="noopener noreferrer" href="http://java.net">java.net</a>.http.HttpClient.Builder#sslParameters#setServerNames.<br></div><div><br></div><div>Since
Java 22, it does not work properly for some endpoints, e.g. <a rel="noopener noreferrer" href="http://google.com">google.com</a>. I have enabled debug ssl logs and I
get the following log indicating the SNI is ignored.</div><div><br></div><div><div><a rel="noopener noreferrer" href="http://javax.net">javax.net</a>.ssl|WARNING|62|HttpClient-1-Worker-0|2024-11-18
15:51:49.496 CET|ServerNameExtension.java:265|Unable to indicate server
name<br></div><div><a rel="noopener noreferrer" href="http://javax.net">javax.net</a>.ssl|DEBUG|62|HttpClient-1-Worker-0|2024-11-18
15:51:49.496 CET|SSLExtensions.java:272|Ignore, context unavailable
extension: server_name<br></div></div><div><br></div><div>I have a pull request showing the issue for some hosts <a rel="noopener noreferrer" href="https://github.com/nhenneaux/resilient-httpclient/pull/68/files">https://github.com/nhenneaux/resilient-httpclient/pull/68/files</a>.<br></div><div><br></div><div>Is it something expected on Java 22+ or a bug was introduced?<br></div><div><br></div><div>Thank you for your help,<br></div><div><br></div><div>Best regards,<br></div><div><br></div><div>Nicolas Henneaux<br></div></body></html>