Mailing-List: contact users-help@tomcat.apache.org; run by ezmlm
Precedence: bulk
Reply-To: "Tomcat Users List" <users@tomcat.apache.org>
Received-SPF: pass (asf.osuosl.org: local policy)
Content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Subject: RE: Which direction: mod_jk or mod_proxy_ajp? (was: why use mod_jk?)
Date: Fri, 24 Feb 2006 10:07:18 -0500
Message-ID: <CF83BAA719FD2C439D25CBB1C9D1D30202764C48@HQ-MAIL4.ptcnet.ptc.com>
Thread-Topic: Which direction: mod_jk or mod_proxy_ajp? (was: why use mod_jk?)
Thread-Index: AcY5U0iKWVgQtfTfQQKaoK0gDRtbTAAAE9oQ
From: "Fenlason, Josh" <jfenlason@ptc.com>
To: "Tomcat Users List" <users@tomcat.apache.org>

That depends if you want to use Apache 2.0.x, Apache 2.2.x, or some
other web server (i.e. IIS).  If you're planning on using Apache 2.2.x,
mod_proxy_ajp is the way to go.  For anything else, mod_jk is the way to
go.
,
Josh.

> -----Original Message-----
> From: Brad O'Hearne [mailto:brado@neurofire.com]=20
> Sent: Friday, February 24, 2006 9:02 AM
> To: Tomcat Users List
> Subject: Which direction: mod_jk or mod_proxy_ajp? (was: why=20
> use mod_jk?)
>=20
>=20
> I suppose this question deserved its own thread. Before I spend any =20
> more time trying to get this configured, I would like to know=20
> what is =20
> the best way to proceed: mod_jk or mod_proxy_ajp?
>=20
> Thanks,
>=20
> Brad
>=20
> On Feb 24, 2006, at 7:49 AM, Brad O'Hearne wrote:
>=20
> > Jess,
> >
> > Thanks for the reply. Responses below:
> >
> > On Feb 24, 2006, at 6:51 AM, Jess Holle wrote:
> >
> >> If you're using Apache 1.3.x or 2.0.x, mod_jk is pretty simple
> >> overall.
> >>
> >> No, you don't want to even try in-process stuff and, yes, if you
> >> have a firewall in between Apache and Tomcat that drops idle =20
> >> connections you should read carefully (this is covered by=20
> the docs).
> >>
> >> The only big complaint I have is that the mod_jk docs don't make
> >> it terribly clear (or didn't last I checked) exactly how to set =20
> >> jvmRoute in Tomcat and how extraordinarily critical this is when =20
> >> doing load balancing.  The Tomcat docs don't make this terribly =20
> >> clear either -- apart from a comment in server.xml.  Most=20
> everyone =20
> >> I know who tries mod_jk load balancing gets hung up on this one =20
> >> point unless/until I give them a detailed explanation. =20
> Apart from =20
> >> the lack of clear/obvious information on this in the mod_jk docs =20
> >> (which should include it considering most folk won't think to =20
> >> check both mod_jk and Tomcat docs), this is actually very simple =20
> >> as well, though.
> >>
> >
> > None of the configuration steps in and of itself are difficult. =20
> > Building mod_jk is not difficult. Editing configuration files is =20
> > not difficult. Its after you've put it all together, exactly as =20
> > noted on a hodge-podge of Googled URLs, and it doesn't work, and =20
> > one cryptic line in a log file, and the right connections=20
> not being =20
> > made between apache and tomcat, which send you into hours of trial =20
> > and error. With regards to your comments above, I didn't tangle =20
> > with load balancing at all, and apache and tomcat reside on the =20
> > same box, no firewall between them. Yes, you'd think this would be =20
> > simple.
> >
> >> I am looking forward to mod_proxy_ajp as it is supposed be a tiny =20
> >> bit faster.
> >
> > You say you are "looking forward to mod_proxy_ajp" -- does this =20
> > mean its not available yet, or you just aren't using it yet? While =20
> > I am glad to learn now of mod_proxy_ajp, I guess this kind of adds =20
> > to my frustration a bit -- what is the way to go now and why: =20
> > mod_proxy_ajp or mod_jk?
> >
> > Thanks for your help.
> >
> > Brad
> >
> >>
> >> --
> >> Jess Holle
> >>
> >> Brad O'Hearne wrote:
> >>> mod_proxy_ajp? Yet another twist. Its just hard for me to=20
> believe =20
> >>> that "how do I integrate tomcat and apache httpd?" is such a =20
> >>> mystery / unknown. This seems like it would be question=20
> #1 on any =20
> >>> Tomcat FAQ.
> >>>
> >>> So where can I found out more about mod_proxy_ajp. Is there a =20
> >>> Tomcat resource which explains the configuration of it?
> >>>
> >>> Brad
> >>>
> >>>
> >>> Bill Barker wrote:
> >>>
> >>>> "Brad O'Hearne" <brado@neurofire.com> wrote in message news:=20
> >>>> 43FEBA07.3020707@neurofire.com...
> >>>>
> >>>>> After wasting time trying to configure mod_jk, I thought I'd =20
> >>>>> just wipe my mind free and just play dumb for a moment. If =20
> >>>>> Apache can proxy requests using mod_proxy, what is the benefit =20
> >>>>> of using mod_jk as an integration technique between httpd and =20
> >>>>> tomcat, if integration is *not* in-process, which I understand =20
> >>>>> is not recommended for Tomcat 5.5?
> >>>>>
> >>>>>
> >>>>
> >>>> Actually, in-process with mod_jk is only supported (and, I use =20
> >>>> the term lightly :) for TC 3.3.x.  For any higher versions it =20
> >>>> doesn't work at all.
> >>>>
> >>>> You've managed to grasp the deep, dark plan of the Tomcat =20
> >>>> developers:  It is expected that people will migrate to =20
> >>>> mod_proxy_ajp with Httpd 2.2+, and mod_jk is expected to=20
> move to =20
> >>>> supporting IIS/SunOne only (and, the later only if somebody =20
> >>>> steps up with interest :).
> >>>>
> >>>>
> >>>>> Brad
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>=20
> -------------------------------------------------------------------=20
> >>>> --
> >>>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> >>>> For additional commands, e-mail: users-help@tomcat.apache.org
> >>>>
> >>>>
> >>>
> >>>
> >>>=20
> --------------------------------------------------------------------=20
> >>> -
> >>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> >>> For additional commands, e-mail: users-help@tomcat.apache.org
> >>>
> >>
> >>=20
> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> >> For additional commands, e-mail: users-help@tomcat.apache.org
> >>
> >
> >
> >=20
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> > For additional commands, e-mail: users-help@tomcat.apache.org
> >
>=20
>=20
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>=20

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org