New server recommendations?

[Peter Flynn <pf...@ucc.ie>]

After much waiting I am now in a position to install a new Cocoon server 
for use by several document-serving projects (yay), with Lucene and 
eXist. I've been running Cocoon for years on antiquated hardware so this 
is an opportunity to Do It Right and demonstrate to people that this is 
the One True Path :-)

The platform is RHEL5 running Apache 2 to front-end port 80 so that we 
can host a few unmigrated HTML/PHP sites and virtual hosts as well.

I think the last time I asked, the recommendation was to make httpd 
proxy Tomcat (I trawled the logs but failed to find my message), but I 
do remember that last time I installed Tomcat from Red Hat's RPMs it was 
a total mess and I went back to a source install. Using RPMs via yum is 
a great convenience, but not if Red Hat breaks the config.

a) Are Red Hat's RPMs now usable as a Tomcat installation for running 
Cocoon? If so, which bits do I need (servlet, webapps, jasper, jsp...)? 
Or should I install from source again?

b) Does anyone have any specific Dos or Donts about this platform or 
configuration?

///Peter

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Re: New server recommendations?

[leonid <te...@leonid.de>]

On my servers I use Debian etch, Apache 2, java 6, tomcat 5.5, Cocoon  
2.1. Formerly I used jetty for production, for quite some years, but  
with the latest releases of tomcat, I can't confirm Tobia's  
experiences. It seems to me, that more and more good reasons for   
preferentially using jetty for production have been dropped with  
every new version of jetty and tomcat after v 4.x.


On Nov 27, 2007, at 8:52 AM, Peter Sparkes wrote:

> I am using Apache 2, Debian etch, java 1.5, tomcat 5 and Cocoon 2.1  
> and got the whole thing up and running in under a day. I have very  
> little experience in setting up such a system so  it can't be too  
> difficult.
>
> I found http://edwardaux.wordpress.com/2006/09/20/3/ very helpful  
> in setting the system up so that I could host multiple sites.
>

I think this approach, isn't generally useful. Why do you need  
different tomcat instances for every single webapp or site?
Furthermore, such an approach could hardly by considered as RPM- 
friendly.

I use only one tomcat instance on each physical server, and each  
tomcat instance is hosting the same webapps/sites. On one machine  
there is an Apache 2 + mod_jk installed, that collects the workers of  
the different tomcat instances and does some load balancing. Whereas  
a real cluster solution seems not to be possible with Cocoon, because  
of some issues concerning the compulsive serialization of all session  
data for replication, I use ajp13 workers, configured for with sticky  
sessions. The new mod_proxy_ajp module did not work for me, so I use  
mod_jk for this.

/L



> Peter
>> Peter Flynn wrote:
>>
>>> I think the last time I asked, the recommendation was to make httpd
>>> proxy Tomcat [...] Does anyone have any specific Dos or Donts about
>>> this platform or configuration?
>>>
>>
>> My personal experience with Tomcat for use with Cocoon 2.1 has been
>> terrible, both on RHEL and Debian.
>>
>> We ended up using the (quite old) version of Jetty provided with  
>> Cocoon
>> itself, along with the cocoon.sh wrapper script and Apache reverse  
>> proxy
>> functionality, and it's been working like a charm ever since.
>>
>> The only gotcha has to do with the AJP13 protocol, see here:
>> http://marc.info/?l=xml-cocoon-users&m=119201336509954
>>
>> We haven't switched to Cocoon 2.2 yet, so I can't say much about it.
>>
>>
>> Tobia
>>
>>

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Re: New server recommendations?

[Peter Sparkes <pe...@didm.co.uk>]

I am using Apache 2, Debian etch, java 1.5, tomcat 5 and Cocoon 2.1 and 
got the whole thing up and running in under a day. I have very little 
experience in setting up such a system so  it can't be too difficult.

I found http://edwardaux.wordpress.com/2006/09/20/3/ very helpful in 
setting the system up so that I could host multiple sites.

Peter
> Peter Flynn wrote:
>   
>> I think the last time I asked, the recommendation was to make httpd
>> proxy Tomcat [...] Does anyone have any specific Dos or Donts about
>> this platform or configuration?
>>     
>
> My personal experience with Tomcat for use with Cocoon 2.1 has been
> terrible, both on RHEL and Debian.
>
> We ended up using the (quite old) version of Jetty provided with Cocoon
> itself, along with the cocoon.sh wrapper script and Apache reverse proxy
> functionality, and it's been working like a charm ever since.
>
> The only gotcha has to do with the AJP13 protocol, see here:
> http://marc.info/?l=xml-cocoon-users&m=119201336509954
>
> We haven't switched to Cocoon 2.2 yet, so I can't say much about it.
>
>
> Tobia
>
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>
>
>   

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Re: New server recommendations?

[Tobia Conforto <to...@linux.it>]

Peter Flynn wrote:
> I think the last time I asked, the recommendation was to make httpd
> proxy Tomcat [...] Does anyone have any specific Dos or Donts about
> this platform or configuration?

My personal experience with Tomcat for use with Cocoon 2.1 has been
terrible, both on RHEL and Debian.

We ended up using the (quite old) version of Jetty provided with Cocoon
itself, along with the cocoon.sh wrapper script and Apache reverse proxy
functionality, and it's been working like a charm ever since.

The only gotcha has to do with the AJP13 protocol, see here:
http://marc.info/?l=xml-cocoon-users&m=119201336509954

We haven't switched to Cocoon 2.2 yet, so I can't say much about it.


Tobia

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