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From "Henri Gomez" <henri.go...@gmail.com>
Subject Re: Smooth applications migration in a J2EE cluster [mod_jk]
Date Fri, 08 Dec 2006 12:31:15 GMT
The page is password protected ;(

Sad since I'm also very interested in seeing what you plain to do.

Regards

2006/12/8, Anthony Vromant <anthony.vromant@bull.net>:
> Hi Rainer,
>
> First of all, thank you for these informations.
>
> Here is the HTTP link for the Flash demonstration of our prototype :
> https://wiki.objectweb.org/jonas/Upload.jsp?page=JOnASClusteringSmoothUpdateWebCluster
>
>
> I am looking at the new features provided by mod_jk 1.2.20, the dynamic
> configuration reloading is quite interesting.
> We are going to bring our prototype to this new version.
>
> In our prototype, when a new request is coming with a JSESSIONID cookie,
> a request is sent to the worker (tomcat) for checking the validity (we
> need to know whether the session is still alive).
> Currently, the HTTP protocol is used for invoking tomcat rather than
> AJP. The control at the tomcat side is done through an internal servlet
> which accesses the MBean manager for getting the current sessions list.
>
> Do you have any suggestion for improving that ?
>
> Regards,
> Anthony
>
> Rainer Jung wrote:
> > Hi Anthony,
> >
> > since your oce is based on 1.2.15 first the information for you, that
> > between 1.2.15 and the released 1.2.19 there were a lot of features
> > added. No old features has been dropped, so it should be feature
> > compatible with 1.2.15. You can look at the changelog
> >
> > http://tomcat.apache.org/connectors-doc/changelog.html
> >
> > and maybe the easiest way is to scan the document
> >
> > http://tomcat.apache.org/connectors-doc/config/workers.html
> >
> > and for Apache
> >
> > http://tomcat.apache.org/connectors-doc/config/apache.html
> >
> > resp. for IIS
> >
> > http://tomcat.apache.org/connectors-doc/config/iis.html
> >
> > about new parameters, which you didn't know before. There are also
> > hints in the docs, which of the params have been added in which version.
> >
> > Concerning 1.2.20 I'll make a tarball for testing including the docs
> > most likely tonight. We changed a bit more, than was planned, so we
> > give people a couple of days to report problems early, before we tag
> > the release. Again, all changes will be contained in the configuration
> > reference guide.
> >
> > Regards,
> >
> > Rainer
> >
> > Anthony Vromant wrote:
> >> Rainer Jung wrote:
> >>> Mladen Turk wrote:
> >>>> Anthony Vromant wrote:
> >>>>>
> >>>>> Would it be possible to integrate such a feature in the original
> >>>>> mod_jk ? If yes, we may contribute to the development by providing
> >>>>> our code.
> >>>>>
> >>>>
> >>>> There is no need to ask something like that.
> >>>> Just like for any other patch bring in the code,
> >>>> and we'll discuss, but it cannot be answered in advance.
> >>>> Anyhow, according to the description it looks very interesting.
> >>>>
> >>>> Regards,
> >>>> Mladen.
> >>>
> >>> Exactly the same from me. The upcoming release 1.2.20 will already
> >>> include a lot of improvements in the jk status worker and we all
> >>> think, that managing changes in a distributed 24x7 system already is
> >>> a very important topic.
> >>>
> >>> Waiting for your proposals :)
> >>>
> >>> Rainer
> >>>
> >>> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
> >>> For additional commands, e-mail: dev-help@tomcat.apache.org
> >>>
> >>>
> >> Glad to note that you are interested in this topic.
> >>
> >> I propose to send you as soon as possible a HTTP link towards a Flash
> >> presentation of our prototype.
> >> Thus you'll have a good overview of the feature.
> >>
> >> For the source code, we have to do some 'cleaning' work before being
> >> able to submit it to you.
> >>
> >> Can you tell me where to find information about new features of
> >> mod_jk 1.2.20 ?
> >>
> >> For your information, our prototype is built from  mod_jk 1.2.15. We
> >> could bring it to the 1.2.20.
> >>
> >> Regards.
> >>
> >> ----------------------------------------------------------------
> >> Anthony Vromant
> >> http://jonas.objectweb.org
> >> Bull, Architect of an Open World TM
> >> http://www.bull.com
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
> >> For additional commands, e-mail: dev-help@tomcat.apache.org
> >
> >
>
>
> --
> ----------------------------------------------------------------
> Anthony Vromant
> http://jonas.objectweb.org
> Bull, Architect of an Open World TM
> http://www.bull.com
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: dev-help@tomcat.apache.org
>
>

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