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? christos
