src/java.base/share/classes/sun/security/ssl/SSLSocketImpl.java

8144566 Custom HostnameVerifier disables SNI extension

*** 2129,2139 ****
--- 2129,2143 ----
      // may override SNIHostName in the customized server name indication.
      public synchronized void setHost(String host) {
          this.host = host;
          this.serverNames =
              Utilities.addToSNIServerNameList(this.serverNames, this.host);
+ 
+         if (!roleIsServer && (handshaker != null) && !handshaker.started()) {
+             handshaker.setSNIServerNames(serverNames);
          }
+     }
  
      /**
       * Gets an input stream to read from the peer on the other side.
       * Data read from this stream was always integrity protected in
       * transit, and will usually have been confidentiality protected.