Code Review 6882910: Unexplained lack of IP4 network ability when transparent IP6 to IP4 is disabled.

[Alan Bateman]

Dr Andrew John Hughes wrote:
> :
> 6342561 is also related to this; see
> http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2010-April/008866.html
>   
Yes, it seems to be the same issue although 6342561 it seems to have 
been submitted to a java_plugin category for some reason. We've always 
assumed that IPV6_V6ONLY is disabled, probably because the original RFC 
for the IPv6 socket extensions did require it to be disabled by 
default.  I looked briefly at the patch in the above but it seems to be 
changing linux_close.  That code is to support asynchronous close and 
isn't really the right place to try to fix this. Also, it doesn't look 
to be complete (missing ServerSocket, DatagramSocket, and NIO??).

-Alan.