7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown

[Alan Bateman]

Rémi Forax wrote:
> :
> Hi Alan,
> patch looks fine,
> just nitpicking, in innerJoin, the second exception message can be 
> misleading if
> the socket use a proprietary protocol which is not IPV4 (a non 
> StandardProtocolFamily).
> So I propose to change:
>
>   "IPv4 socket cannot join IPv6 multicast group"
>
> to:
>
>   "non IPv6 socket cannot join IPv6 multicast group"
>
> cheers,
> Rémi
>
Would you be okay with "Only IPv6 socket can join IPv6 multicast group"? 
I think this case should be very rare and DatagramChannelImpl doesn't 
support any other protocol families at this time (the constructors 
ensure that it's INET or INET6).

-Alan.