On 12/9/10 5:57 PM, Christos Zoulas wrote: > On Dec 9, 2:09pm, k...@intricatesoftware.com (Kurt Miller) wrote: > -- Subject: Re: problem when allocating port with openjdk6 > > | On 12/06/10 11:35, Christos Zoulas wrote: > |> On Dec 6, 8:26am, gle...@eyesbeyond.com (Greg Lewis) wrote: > |> -- Subject: Re: problem when allocating port with openjdk6 > |> > |> | Try adding '-Djava.net.preferIPv4Stack=true' to the args that are passed > |> | to the JVM on start up. > |> > |> Yes, java seems to prefer to use IPv6 mapped addresses for IPv4. But this > |> does not explain why: > |> > |> sysctl -w net.inet6.ip6.v6only=0 > |> > |> does not work. > |> > |> Not that I am suggesting to change the sysctl, because of the security > |> implications. On the other hand, what's the longer term plan for this? > |> Should we default the preferIPv4Stack to true for the BSD builds? > | > | Hi Christos, > | > | On OpenBSD, I disable IPv6 by default in the build using > | DONT_ENABLE_IPV6="YES". I recommend that for OSs where > | IPv6 mapped addresses is disabled by default. > | > | The long term plan would be to implement a two socket solution similar > | to how the windows networking support is implemented in the JDK. > > Thanks Kurt. I think that the dual socket solution will require buy-in from > the trunk java developers. Have we discussed it with them?
Hi Christos, I haven't since I currently don't have the time to move the idea forward. Although, I think it is a reasonably acceptable solution considering it is the same approach that was used for Windows. Regards, -Kurt
