On 02/06/2020 08:53, Hristo Yanchev Karakolev wrote:
> Hello,
>
> I'm fairly new to tomcat and I'm charged with the task to do something that I
> don't quite understand.
>
>
>
> My environment :
>
>
>
> OS : Windows Server 2016 Standard x64
>
>
>
> I have 2 tomcat servers :
>
> #1 - Tomcat 8.5.37 working on a Web Server machine
>
> #2 - Tomcat 9.0.20 working on a LAN Server machine.
>
>
>
> Both servers are in different domains.
>
>
>
> Our final goal is to have this configuration :
>
> On the web server machine we use IIS to serve our web site . When the web
> site requires data it turns to Tomcat #1 which is also installed on web
> server machine. Tomcat #1 forwards the request to Tomcat #2 and returns the
> result to IIS.
This isn't possible out of the box.
Tomcat doesn't provide reverse proxy functionality.
> My question is :
>
> Is it possible to connect the both servers using AJP13 connectors (giving the
> fact that I will do the proper port forwarding of course) and how?
Not possible.
> I found tons of information how to do this with ("IIS" -> "Tomcat") or
> ("Apache httpd" -> "Tomcat") configuration but in my case I have ("Tomcat" ->
> "Tomcat") establishment.
This isn't supported.
There might be a third-party module out there that does this but I would
want to test it *very* carefully. Reverse proxies are easy to get the
simple stuff working and extremely tricky to get right for all the edge
cases.
In your position I would be suggesting a different solution architecture
where IIS was configured to go directly to each of the 2 Tomcat
instances as appropriate.
Mark
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