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Posted to users@tomcat.apache.org by "Tata, Jagadeesh" <Ja...@xerox.com> on 2007/09/21 17:41:04 UTC
Basic question - Ingterating Tomcat with Apache
Hi All,
I installed tomcat 6.0.13 on Solaris SPARC. Which is the better (suited)
version of Apache and Apache connector for installed Tomcat?
Thanks in advance,
Jagadeesh Tata.
Re: Basic question - Ingterating Tomcat with Apache
Posted by Hassan Schroeder <ha...@gmail.com>.
On 9/21/07, Christopher Schultz <ch...@christopherschultz.net> wrote:
> I believe mod_proxy_ajp requires Apache httpd 2.2, right?
Yep. But it's definitely less work to set up, if you don't need to split
static and dynamic content.
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
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Re: Basic question - Ingterating Tomcat with Apache
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Hassan,
Hassan Schroeder wrote:
> On 9/21/07, Christopher Schultz <ch...@christopherschultz.net> wrote:
>> The only supported Tomcat web server connector is mod_jk
>
> There's mod_proxy_ajp and mod_proxy_http, eh?
Aah, forgive me. I tend to think of mod_proxy_ajp as part of the Apache
httpd, and not really a connector. But, you're right: they are
equivalent components.
I believe mod_proxy_ajp requires Apache httpd 2.2, right?
- -chris
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Re: Basic question - Ingterating Tomcat with Apache
Posted by Hassan Schroeder <ha...@gmail.com>.
On 9/21/07, Christopher Schultz <ch...@christopherschultz.net> wrote:
> are you sure you even /need/ Apache httpd?
I concur with that, but...
> The only supported Tomcat web server connector is mod_jk
There's mod_proxy_ajp and mod_proxy_http, eh?
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
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Re: Basic question - Ingterating Tomcat with Apache
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Jagadeesh,
Tata, Jagadeesh wrote:
> I installed tomcat 6.0.13 on Solaris SPARC. Which is the better (suited)
> version of Apache and Apache connector for installed Tomcat?
The version of Apache httpd you choose is up to you and depends more on
your own environment requirements than anything else. If I were you, I'd
use Apache httpd 2.2 if possible.
The only supported Tomcat web server connector is mod_jk, which works
for all reasonably current Apache httpd versions (1.3, 2.0, and 2.2)
Peter asks a valuable question: are you sure you even /need/ Apache httpd?
- -chris
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RE: Basic question - Ingterating Tomcat with Apache
Posted by Peter Crowther <Pe...@melandra.com>.
> From: albrecht andrzejewski [mailto:albrecht.andrzejewski@ema.fr]
> I think tomcat stand alone is
> -> easier to deploy.
> And that's all.
There are also fewer things to fail, and a smaller learning curve for
your system administrators (if they don't already know Apache httpd and
the JK connector).
> I think apache as a front end is a more flexible and secure solution.
> -> if apache fails, tomcat is not affected
... but is inaccessible. This is a failure mode you don't have with
just a Tomcat.
> -> if tomcat fails, apache can redirect request to another tomcat
True. How often do you expect this failure mode?
> -> when you serve static content juste like image of your
> site and all
> static text part , javascripts, etc ( i mean... dynamic content is
> often just an hour ticking at the top of the page!) apche can better
> handle the request and serve them quickier (with cache).
There have been a couple of benchmarks on this, most recently by Peter
Lin (available at
http://tomcat.apache.org/articles/benchmark_summary.pdf). They showed
that Tomcat 5.0 and higher are sufficiently efficient at serving static
content that you'll saturate your network before you run out of
resources on the server. Peter saturated a 100Mbit/s LAN connection.
> Am i wrong ? As i have currently nothing pre-installed on it... and
> it would be fine to know what you are thinking about it. You seem to
> be pro vanilla tomcat... But just let us know WHEN pure
> tomcat has to be choosen !
Vanilla Tomcat never *has* to be chosen. I like systems with fewer
moving parts - they're generally simpler to manage, more robust and
easier to debug when they go wrong. And security-wise, I'd much rather
put a proper firewall in front of a web server than rely on httpd to
catch all the possible attacks!
You may have other reasons to add httpd. Unless you have very slow
boxes and very fast network connections, speed of serving static content
is not a valid reason. I'd never assume httpd is any more secure than
Tomcat, so security (to me) is not a valid reason. You may want to put
httpd in front, simply so that you can load-balance and scale Tomcats as
your application grows - that's a valid reason if you don't want to use
a hardware load-balancer, and plenty of folks load-balance that way,
including some quite large sites with quite demanding SLAs. Just make
sure you know what you're gaining by adding the extra system!
- Peter
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RE: Basic question - Ingterating Tomcat with Apache
Posted by albrecht andrzejewski <al...@ema.fr>.
Quoting Peter Crowther <Pe...@melandra.com>:
>
> What are you doing that doesn't just need a vanilla Tomcat?
Peter... I plan to have a box, and I just think about pro and cons...
I think tomcat stand alone is
-> easier to deploy.
And that's all.
I think apache as a front end is a more flexible and secure solution.
-> if apache fails, tomcat is not affected
-> if tomcat fails, apache can redirect request to another tomcat
-> when you serve static content juste like image of your site and all
static text part , javascripts, etc ( i mean... dynamic content is
often just an hour ticking at the top of the page!) apche can better
handle the request and serve them quickier (with cache).
Am i wrong ? As i have currently nothing pre-installed on it... and
it would be fine to know what you are thinking about it. You seem to
be pro vanilla tomcat... But just let us know WHEN pure tomcat has to
be choosen !
I need an expert point of view, so tell us about what you experienced !
Thanks :-)
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RE: Basic question - Ingterating Tomcat with Apache
Posted by Peter Crowther <Pe...@melandra.com>.
> From: Tata, Jagadeesh [mailto:Jagadeesh.Tata@xerox.com]
> I installed tomcat 6.0.13 on Solaris SPARC. Which is the
> better (suited)
> version of Apache and Apache connector for installed Tomcat?
If you don't already have Apache on the box, please ask yourself this
question first:
"Why do I need Apache httpd?"
What are you doing that doesn't just need a vanilla Tomcat?
- Peter
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