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Posted to users@tomcat.apache.org by Rao Manekar <ma...@hotmail.com> on 2007/03/02 01:07:11 UTC
RE: how to setup multiple CATALINA_BASE
OK. Let's see how I can implement this.
Say, I have registered two domain names www.website1.com mapped to IP1 and
www.website2.com mapped to IP2.
I have my tomcat installed on localhost with two <Host> elements,
www.website1.com and www.website2.com and applications installed as
described in documentation.
when I type www.website1.com in my browser, how does that request gets
routed to <Host1> on my local tomcat installation?
-Rao
>From: "Caldarale, Charles R" <Ch...@unisys.com>
>You don't need multiple CATALINA_BASE settings, nor do you need two
><Connector> elements; instead, use two <Host>s. Each <Host> must have a
>unique name that matches the DNS name of the IP addresses you wish to
>segregat. Also, each <Host> should have a unique appBase attribute
>value, and each webapp would be deployed only in the corresponding
>appBase. Look at:
>http://tomcat.apache.org/tomcat-5.5-doc/config/host.html
>for more information.
>
> - Chuck
>
>
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RE: how to setup multiple CATALINA_BASE
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Rao Manekar [mailto:manekar@hotmail.com]
> Subject: RE: how to setup multiple CATALINA_BASE
>
> when I type www.website1.com in my browser, how does that
> request gets routed to <Host1> on my local tomcat installation?
The host part of the URL is extracted and matched against the set of
configured <Host> names.
- Chuck
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RE: how to setup multiple CATALINA_BASE
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Rao Manekar [mailto:manekar@hotmail.com]
> Subject: Re: how to setup multiple CATALINA_BASE
>
> If any one in the world type www.cnn.com would that request
> come to my server and get application under
> ${catalina.home}/www/appBase/www.cnn.com
Of course not, unless you manage to hack the world's dozen or so master
DNS boxes to route traffic to you. You must use names that actually
target your system.
- Chuck
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RE: how to setup multiple CATALINA_BASE
Posted by Rao Manekar <ma...@hotmail.com>.
hi guys
I have implemented what I learned. With simple tomcat installation, it
works like charm!
I have my two websites working with two different IPs. Did I say IPs... it
is not IP dependent :-)
For future reference to other people like me here is what I did in my test
environment:
1. Unzipped tomcat 4.0 zip file and did basic tomcat installation and
tested. It worked fine. I stopped tomcat.
2. Created two separate directories c:\appBase1\website1,
c:\appBase2\website2.
Copied application files in their corresponding directories.
3. Modified server.xml as follows:
a) changed port=80 in <connector> from port=8080
b) added two <host> elements.
<!-- Define the website1 virtual host -->
<Host name="website1" debug="0" appBase="c:\appBase1"
unpackWARs="false">
<!-- Tomcat root Context -->
<Context path="" docBase="website1" debug="0"
reloadable="false" crossContext="false">
</Context>
</Host>
<!-- Define the website2 virtual host -->
<Host name="website2" debug="0" appBase="c:\appBase2"
unpackWARs="false">
<!-- Tomcat root Context -->
<Context path="" docBase="website2" debug="0"
reloadable="false" crossContext="false">
</Context>
</Host>
4. In my test environment I used windows hosts file and added two (website)
names with IP addresses of two networkcards on that server. (In production
there should be a registered DNS name )
my hosts file looks like this:
127.0.0.1 localhost
x.x.x.x website1
x.x.x.x website2
5. I restarted tomcat and accessesd http://website1 and http://website2
with out any problem.
Thanks a million for your help.
-rao
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RE: how to setup multiple CATALINA_BASE
Posted by Rao Manekar <ma...@hotmail.com>.
That's better explanation. I think my 'bulb' started lighting :-)
I will try further from here and make it work. I will keep you guys posted.
Caldarale, Martin and Hassan thank you for replying to my emails and
enlightening me.
-rao
>From: "Caldarale, Charles R" <Ch...@unisys.com>
>Reply-To: "Tomcat Users List" <us...@tomcat.apache.org>
>To: "Tomcat Users List" <us...@tomcat.apache.org>
>Subject: RE: how to setup multiple CATALINA_BASE
>Date: Thu, 1 Mar 2007 21:13:38 -0600
>
> > From: Rao Manekar [mailto:manekar@hotmail.com]
> > Subject: Re: how to setup multiple CATALINA_BASE
> >
> > Ok now you are talking IP address. Offcourse I am working
> > with a registered domain name mapped to a specifi IP address.
> > So, how do I make tomcat recognize it?
>
>Tomcat doesn't have to - only the DNS boxes have to worry about
>translating names to IP octets.
>
> > I want to specify two IP addresses.
>
>Tomcat does not need to know the IP addresses; that's the job of the DNS
>boxes and routers.
>
> > do you have an installation with tomcat referring to two
> > websites with two different IP addresses?
>
>Yes, and it works fine, using one <Connector> and two <Host> elements.
>The <Connector> need not specify an IP address - it just takes whatever
>comes into the box and routes it to the appropriate <Host> based on the
>URL in the HTTP header. If you have many addresses routed to your box,
>and you want Tomcat to listen to only a subset of them, you'll need to
>put in a <Connector> for each; otherwise, the single <Connector> with no
>address attribute will suffice. Regardles, the <Connector> elements are
>independent of the <Host> entries.
>
> - Chuck
>
>
>THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
>MATERIAL and is thus for use only by the intended recipient. If you
>received this in error, please contact the sender and delete the e-mail
>and its attachments from all computers.
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RE: how to setup multiple CATALINA_BASE
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Rao Manekar [mailto:manekar@hotmail.com]
> Subject: Re: how to setup multiple CATALINA_BASE
>
> Ok now you are talking IP address. Offcourse I am working
> with a registered domain name mapped to a specifi IP address.
> So, how do I make tomcat recognize it?
Tomcat doesn't have to - only the DNS boxes have to worry about
translating names to IP octets.
> I want to specify two IP addresses.
Tomcat does not need to know the IP addresses; that's the job of the DNS
boxes and routers.
> do you have an installation with tomcat referring to two
> websites with two different IP addresses?
Yes, and it works fine, using one <Connector> and two <Host> elements.
The <Connector> need not specify an IP address - it just takes whatever
comes into the box and routes it to the appropriate <Host> based on the
URL in the HTTP header. If you have many addresses routed to your box,
and you want Tomcat to listen to only a subset of them, you'll need to
put in a <Connector> for each; otherwise, the single <Connector> with no
address attribute will suffice. Regardles, the <Connector> elements are
independent of the <Host> entries.
- Chuck
THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
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Re: how to setup multiple CATALINA_BASE
Posted by Hassan Schroeder <ha...@gmail.com>.
On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
> Let me ask you this, Charles and Hassan, do you have an installation with
> tomcat referring to two websites with two different IP addresses?
Sure, several. Some have one connector that listens on all addresses
*configured on that host*, some have multiple connectors for specific
addresses (to handle SSL, etc.).
Again, if you're still having problems, post your configuration and more
specifics.
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
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Re: how to setup multiple CATALINA_BASE
Posted by Martin Gainty <mg...@hotmail.com>.
so if your DNS name is www.fubar.com go to command line
nslookup www.fubar.com
will attempt to locate the CNAME records by authoritative DNS servers
then non-authoritative DNS servers
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----- Original Message -----
From: "Hassan Schroeder" <ha...@gmail.com>
To: "Tomcat Users List" <us...@tomcat.apache.org>
Sent: Thursday, March 01, 2007 9:13 PM
Subject: Re: how to setup multiple CATALINA_BASE
> On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
>
>> We know that for sure that there is a domain name www.cnn.com registered in
>> DNS.
>> Let's say I create a <Host> element and add my application files under
>> ${catalina.home}/www/appBase/www.cnn.com
>
> ?! where did you get that path? Never mind, it doesn't matter because...
>
>> If any one in the world type www.cnn.com would that request come to my
>> server and get application under ${catalina.home}/www/appBase/www.cnn.com
>
> ..this is so seriously confused. Answer: of course not -- DNS lookups
> will provide the *real* address of CNN as they're supposed to.
>
> So do you actually have a registered domain? Does the IP address
> point to your server? If so, you're set. Lather, rinse, repeat. :-)
>
> --
> Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
>
> ---------------------------------------------------------------------
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>
>
Re: how to setup multiple CATALINA_BASE
Posted by Rao Manekar <ma...@hotmail.com>.
>>Let's say I create a <Host> element and add my application files under
>>${catalina.home}/www/appBase/www.cnn.com
>
>?! where did you get that path? Never mind, it doesn't matter because...
http://wiki.apache.org/tomcat/CreateVirtualHosts
>
>>If any one in the world type www.cnn.com would that request come to my
>>server and get application under ${catalina.home}/www/appBase/www.cnn.com
>
>..this is so seriously confused. Answer: of course not -- DNS lookups
>will provide the *real* address of CNN as they're supposed to.
that *real* address of CNN is its IP address.
If my server has a network card with that public IP address and on my server
my tomcat installation server.xml (<connector> element) has some where in it
specifies that IP address, offcourse if anyone in the world type WWW.CNN.COM
that request would come to my server.
In reality Turner broadcasting owns the domain name and IP address and I
cannot have it.
My point here is that we need to consider IP address along with Host name.
>
>So do you actually have a registered domain? Does the IP address
>point to your server? If so, you're set. Lather, rinse, repeat. :-)
>
Ok now you are talking IP address. Offcourse I am working with a registered
domain name mapped to a specifi IP address. So, how do I make tomcat
recognize it?
I want to specify two IP addresses.
Let me ask you this, Charles and Hassan, do you have an installation with
tomcat referring to two websites with two different IP addresses?
Thank you.
-rao
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Re: how to setup multiple CATALINA_BASE
Posted by Hassan Schroeder <ha...@gmail.com>.
On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
> We know that for sure that there is a domain name www.cnn.com registered in
> DNS.
> Let's say I create a <Host> element and add my application files under
> ${catalina.home}/www/appBase/www.cnn.com
?! where did you get that path? Never mind, it doesn't matter because...
> If any one in the world type www.cnn.com would that request come to my
> server and get application under ${catalina.home}/www/appBase/www.cnn.com
..this is so seriously confused. Answer: of course not -- DNS lookups
will provide the *real* address of CNN as they're supposed to.
So do you actually have a registered domain? Does the IP address
point to your server? If so, you're set. Lather, rinse, repeat. :-)
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
---------------------------------------------------------------------
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Re: how to setup multiple CATALINA_BASE
Posted by Rao Manekar <ma...@hotmail.com>.
Hi Charles and Hassan
I tried it did not work. Let me ask this:
We know that for sure that there is a domain name www.cnn.com registered in
DNS.
Let's say I create a <Host> element and add my application files under
${catalina.home}/www/appBase/www.cnn.com
If any one in the world type www.cnn.com would that request come to my
server and get application under ${catalina.home}/www/appBase/www.cnn.com
-rao
>From: "Hassan Schroeder" <ha...@gmail.com>
>Reply-To: "Tomcat Users List" <us...@tomcat.apache.org>
>To: "Tomcat Users List" <us...@tomcat.apache.org>
>Subject: Re: how to setup multiple CATALINA_BASE
>Date: Thu, 1 Mar 2007 16:55:07 -0800
>
>On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
>>As a matter of fact I tried it. It
>>did not work. I couldn't figure out the relation between <Host> element
>>and
>>its IP address.
>
>You don't have to. :-) And in fact, it's really irrelevant whether the two
>hosts have different IPs or not -- the names, as Charles already said,
>are what are matched.
>
>If you're still having trouble, post the relevant parts of your server.xml.
>
>--
>Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
>
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Re: how to setup multiple CATALINA_BASE
Posted by Hassan Schroeder <ha...@gmail.com>.
On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
> As a matter of fact I tried it. It
> did not work. I couldn't figure out the relation between <Host> element and
> its IP address.
You don't have to. :-) And in fact, it's really irrelevant whether the two
hosts have different IPs or not -- the names, as Charles already said,
are what are matched.
If you're still having trouble, post the relevant parts of your server.xml.
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
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Re: how to setup multiple CATALINA_BASE
Posted by Rao Manekar <ma...@hotmail.com>.
First of all thank you for your reply. As a matter of fact I tried it. It
did not work. I couldn't figure out the relation between <Host> element and
its IP address.
I will take your word for it and try it again.
Thank you.
-rao
>From: "Hassan Schroeder" <ha...@gmail.com>
>Reply-To: "Tomcat Users List" <us...@tomcat.apache.org>
>To: "Tomcat Users List" <us...@tomcat.apache.org>
>Subject: Re: how to setup multiple CATALINA_BASE
>Date: Thu, 1 Mar 2007 16:16:22 -0800
>
>On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
>.
>>when I type www.website1.com in my browser, how does that request gets
>>routed to <Host1> on my local tomcat installation?
>
>Or to put it another way --
>
>"When I ask for www.website1.com, why does Tomcat give me the
>webapps associated with www.website1.com?" :-)
>
>Uh, why *wouldn't* it? Isn't that the whole point of named virtual hosts?
>
>And given that's it's trivial to simply /try/ this and see that it does in
>fact
>work exactly this way...
>
>FWIW,
>--
>Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
>
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Re: how to setup multiple CATALINA_BASE
Posted by Hassan Schroeder <ha...@gmail.com>.
On 3/1/07, Rao Manekar <ma...@hotmail.com> wrote:
.
> when I type www.website1.com in my browser, how does that request gets
> routed to <Host1> on my local tomcat installation?
Or to put it another way --
"When I ask for www.website1.com, why does Tomcat give me the
webapps associated with www.website1.com?" :-)
Uh, why *wouldn't* it? Isn't that the whole point of named virtual hosts?
And given that's it's trivial to simply /try/ this and see that it does in fact
work exactly this way...
FWIW,
--
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
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