Ah so, much more clear.  Thanks.  Being able to configure on a per web app
basis is very good.

Greg



Jules Gosnell wrote:

> Here is how it is meant to work :
>
> the <distributable/> tag in WEB-INF/web.xml selects whether or not a
> webapp is distributable.
>
> adding the tag will cause Jetty to use a DistributableSessionManager.
>
> This Manager will default to using an InterceptorStack and
> DistributableStore that is specified in
> jbossweb.sar/META-INF/jboss-service.xml - along with other parameters.
>
> This setting will be used for EVERY webapp.
>
> In order to select a different implementation on a per-webapp basis, you
> may override the jboss-service.xml settings in WEB-INF/jetty-web.xml, so
> that each webapp can select an implementation tailored to itself, or
> even deployed with it.
>
> If you have removed the <distributable/> tag from your web.xml, but
> included a jetty-web.xml in your webapp and distributable support is
> being used, then you have probably uncommented the line :
>
> <Set name="DistributableHttpSession">true</Set>
>
> This will force the <distributable/> flag, regardless of the setting in
> web.xml. This is really intended for debugging or running a
> non-distributable app in distributable mode for one reason or another.
>
> In conclusion,
>
> If you want to keep things simple - the Jetty impl works exactly the
> same way as Catalina's - you simply set the <distributable/> tag.
>
> If you want to configure exactly what setting this flag enables, then
> you start playing with your jboss-service.xml or jetty-web.xml.
>
> Is that clear ?
>
> Jules
>
> Greg Turner wrote:
> > This question concerns clustering http session with the
> > JBoss3.0.1/Tomcat and JBoss3.0.1/Jetty combos.
> >
> > With Tomcat, it is very straight forward.  Turning distributable on in
> > the web.xml file turns it on and it works, turning distributable off in
> > the web.xml file makes it not work.
> >
> > With the Jetty combo, I have 3 scenarios which work.  Can someone
> > precisely explain the differences.
> >
> > 1. distributable turned on, no jetty-web.xml file
> > 2. distributable turned on, jetty-web.xml present with Extended session
> > clustering
> > 3. distributable turned off, jetty-web.xml present with Extended session
> > clustering
> >
> > What extra is Extended session clustering providing ?
> >
> > Greg
> >
> >
> >
> >
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--
Greg Turner, JBoss Authorized Consultant

Tiburon Enterprise Systems
http://www.tiburon-e-systems.com
Box 1171
Tiburon, CA 94920
415-332-3363




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