in src/main/java/org/apache/cassandra/sidecar/routes/AbstractHandler.java [267:281]
public static String extractHostAddressWithoutPort(String address)
{
if (address.contains(":"))
{
// just ipv6 host name present without port information
if (address.split(":").length > 2 && !address.startsWith("["))
{
return address;
}
String host = address.substring(0, address.lastIndexOf(':'));
// remove brackets from ipv6 addresses
return host.startsWith("[") ? host.substring(1, host.length() - 1) : host;
}
return address;
}