Message6409

Here is the same code in jython, but using the Java APIs directly, with no involvement from the jython socket module.
>>> import java
>>> ipv6_addr = java.net.InetSocketAddress("::1", 9999)
>>> s = java.nio.channels.SocketChannel.open()
>>> s.socket().connect(ipv6_addr)
Which I think will result in something like this on your system
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 at sun.nio.ch.Net.connect(Native Method)
 at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:464)
 at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:81)
 at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:65)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:592)
java.net.SocketException: java.net.SocketException: Address family not supported by protocol family:
 connect