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From "Norval Hope" <nrh...@gmail.com>
Subject Re: ApacheDS and ipv6 support on windows
Date Tue, 29 Jan 2008 02:36:57 GMT
Thanks for the feedback. Further research has convinced me that the NIO
library implementation in the JRockit VM suffers the same problem,. I didn't
find anything explicitly referring to the IBM VM implementation in regards
to this issue, but I have very little hope in that direction now either.

Hence I think the only solution to ipv6 support is to recommend deployment
on Unix, until a) jdk 1.7 is patched and b) there is a server variant of
Windows that has the IPV6 stack support released in Vista.

On Jan 28, 2008 8:07 PM, Julien Vermillard <jvermillard@archean.fr> wrote:

> Hi,
> I don't see simple answer to this question, except waiting jdk7.
> But with MINA2.0, and the APR based Acceptor/Connector you have
> everything for bind an IPv6 port on Windows if APR support it.
>
> I'm not sure to help a lot there ;)
>
> Julien
>
> On Mon, 21 Jan 2008 13:55:25 +1100
> "Norval Hope" <nrhope@gmail.com> wrote:
>
> > reposting as didn't seem to make it onto MINA dev list, perhaps
> > because my subscription hadn't been confirmed ...
> >
> > On Jan 17, 2008 12:58 PM, Norval Hope <nrhope@gmail.com> wrote:
> >
> > > I'm cross posting this query to the MINA dev list about support for
> > > ApacheDS listening on an ipv6 socket on Windows.
> > > My first posting was:
> > >
> > > -----------------
> > >  I was recently flabbergasted to find out that no Sun JDK 1.5+
> > > supports NIO sever support over ipv6 on any version of Windows (due
> > > to lack of support for dual-mode sockets in the underlying Windows
> > > stack implementation), and that the situation is only likely to be
> > > resolved in the future in JDK 7 on top of Vista (refer
> > > http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6230761 ).
> > >
> > > Hence my current understanding is that clients who want ApacheDS to
> > > listen on an ipv6 socket at start-up will have to use a Unix
> > > variant on which the JDK doesn't suffer this problem. Have I
> > > missed / misunderstsood anything here, or is there perhaps another
> > > JDK implementation with an enhanced NIO implementation (or some
> > > other cunning technique) that may represent a "get out of jail"
> > > card for me and my clients as far as pre-Vista Windows is concerned?
> > >
> > > Many thanks.
> > > --------------------
> > >
> > > As MINA (very sensibly) uses NIO server socket channels, it
> > > unfortunately seems there will be a problem until an extension is
> > > made to JDK 7 running on top of Vista. Note the bug link above
> > > provides a test program which can be used to verify whether a
> > > particular configuration displays the problem or not.
> > >
> > > I'm not sure if running a different JDK implementation may help due
> > > to different bundled NIO implementations, but this is most probably
> > > not really an option for my customers.
> > >
> > > Any help / comments greatly appreciated.
> > >
> > > Thanks
> > >   On Jan 17, 2008 2:24 AM, Emmanuel Lecharny <elecharny@gmail.com>
> > > wrote:
> > >
> > > > Alex Karasulu wrote:
> > > > > I don't know about this but MINA may be a consideration here.
> > > > > Does MINA allow for IPv6?  Does it care?
> > > > The problem is that IPV6 is the default stack on Windows...
> > > > Unless we see an urge of Linux and MacOSX stations, we may have
> > > > some kind of problem... (btw, I think that linux will see a huge
> > > > increase as Asus eee and similar computers will be sold by
> > > > millions soon ...)
> > > >
> > > > But I thought that if your desktop is IPV6 based, it should still
> > > > be able to communicate with a IPV4 stack, otherwise, I can't see
> > > > how those millions computers installed with many flavors of
> > > > W$+Virii+spywares+rootkits will be able to connect to all those
> > > > retarded web sites which still use Linux + Apache HTTPd server on
> > > > a IPV4 stack ...
> > > >
> > > > Don't know exactly... I'm not really a specialist. May be posting
> > > > this question to MINA will be the best move !
> > > >
> > > > >
> > > > > I've not even considered IPv6.  I'm not really interested in it
> > > > > at this point but if we have to move to JDK 1.7 to support it
> > > > > people are going to be really pissed off.  Yet another ugly
> > > > > balancing act.
> > > > >
> > > > > Alex
> > > > >
> > > > > On Jan 16, 2008 7:14 AM, Emmanuel Lecharny < elecharny@gmail.com
> > > > > <mailto:elecharny@gmail.com>> wrote:
> > > > >
> > > > >     Norval Hope wrote:
> > > > >     > Thanks for the feedback.
> > > > >     >
> > > > >     > However, my problem is the other way around - i.e. the
> > > > >     > client
> > > > wants
> > > > >     > ApacheDS to listen on an ipv6 socket only.
> > > > >     Have you tried with JRockit or IBM JVM?
> > > > >
> > > > >     --
> > > > >     --
> > > > >     cordialement, regards,
> > > > >     Emmanuel L├ęcharny
> > > > >     www.iktek.com <http://www.iktek.com>
> > > > >     directory.apache.org <http://directory.apache.org>
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > >  --
> > > > cordialement, regards,
> > > > Emmanuel L├ęcharny
> > > > www.iktek.com
> > > > directory.apache.org
> > > >
> > > >
> > > >
> > >
>

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