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From "Norval Hope" <nrh...@gmail.com>
Subject Re: ApacheDS and ipv6 support on windows
Date Mon, 21 Jan 2008 02:55:25 GMT
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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