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Posted to users@tomcat.apache.org by jieryn <ji...@gmail.com> on 2013/07/20 06:36:59 UTC
Apache Tomcat 7.x: Host+Alias and HTTP 301
Greetings,
I'm using Apache Tomcat 7.0.42, with IBM Java 1.7.0-SR2, on SuSE SLED
11 Linux. I have multiple host names which resolve to the same
application context, e.g. app.host1.com (host) and app.host2.com
(alias). I have implemented this within conf/server.xml via Host and
Alias definitions.
Moving forward, I would like Apache Tomcat to send a permanent
redirect, HTTP 301, for any incoming request on app.host2.com to
app.host1.com. How can I achieve this? I no longer want both
app.host1.com and app.host2.com to work "invisibly" to the user; I
want the user to see the host1.com address in his/her browser and to
teach the user, perhaps very subtly, to use that host1.com hostname.
I have tried Tuckey's URLRewrite filter, with a condition on
type="hostname", but I can not seem to get it right--lots of strange
infinite loop redirection for SSO. Regardless, this seems like
something that Apache Tomcat should be able to handle pretty easily..
Any help is appreciated, thanks,
-Jesse
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Re: Apache Tomcat 7.x: Host+Alias and HTTP 301
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Jeff,
On 7/22/13 10:09 AM, Jeffrey Janner wrote:
> First, you want to set up app.host2.com as a separate host. That
> might be all you need to do to make Tuckey's filter easier to
> configure.
+1
It will also improve the performance of the "primary" host, because
the Filter need not be enabled on the "primary" host, only the
"alternative" host.
- -chris
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RE: Apache Tomcat 7.x: Host+Alias and HTTP 301
Posted by Jeffrey Janner <Je...@PolyDyne.com>.
> -----Original Message-----
> From: jieryn [mailto:jieryn@gmail.com]
> Sent: Friday, July 19, 2013 11:37 PM
> To: Tomcat Users List
> Subject: Apache Tomcat 7.x: Host+Alias and HTTP 301
>
> Greetings,
>
> I'm using Apache Tomcat 7.0.42, with IBM Java 1.7.0-SR2, on SuSE SLED
> 11 Linux. I have multiple host names which resolve to the same
> application context, e.g. app.host1.com (host) and app.host2.com
> (alias). I have implemented this within conf/server.xml via Host and
> Alias definitions.
>
> Moving forward, I would like Apache Tomcat to send a permanent
> redirect, HTTP 301, for any incoming request on app.host2.com to
> app.host1.com. How can I achieve this? I no longer want both
> app.host1.com and app.host2.com to work "invisibly" to the user; I want
> the user to see the host1.com address in his/her browser and to teach
> the user, perhaps very subtly, to use that host1.com hostname.
>
> I have tried Tuckey's URLRewrite filter, with a condition on
> type="hostname", but I can not seem to get it right--lots of strange
> infinite loop redirection for SSO. Regardless, this seems like
> something that Apache Tomcat should be able to handle pretty easily..
>
> Any help is appreciated, thanks,
> -Jesse
>
Jesse -
Sounds like something I do all the time.
First, you want to set up app.host2.com as a separate host. That might be all you need to do to make Tuckey's filter easier to configure.
For this type of redirect though, I use HttpRedirectFilter from zlatkovic.com (http://www.zlatkovic.com/httpredirectfilter.en.html) as I found it much easier to configure than the Tuckey software. As long as you understand basic regular expressions, you should have no problems with it.
Jeff
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Re: Apache Tomcat 7.x: Host+Alias and HTTP 301
Posted by jieryn <ji...@gmail.com>.
Greetings,
On Sat, Jul 20, 2013 at 12:36 AM, jieryn <ji...@gmail.com> wrote:
> I have multiple host names which resolve to the same
> application context, e.g. app.host1.com (host) and app.host2.com
> (alias). I have implemented this within conf/server.xml via Host and
> Alias definitions.
Just to close the loop here, I eventually did solve this with
URLRewrite filter. The documentation I was looking at was inaccurate
or maybe just mismatched against the version of the library being
used.. Alas, here is the working URLRewrite rule:
<rule>
<note>Domain name change from $OLDHOST1, with $OLDHOST2 Alias, to
$NEWHOST.</note>
<condition type="server-name" operator="equal"
next="or">$OLDHOST1</condition>
<condition type="server-name" operator="equal">$OLDHOST2</condition>
<from>^(.*)$</from>
<to last="true" type="permanent-redirect">http://$NEWHOST/$1</to>
</rule>
Thanks!
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