On 10 nov. 2010, at 20:26, forums_at_java.net wrote:
> Hi,
>
> I have some questions about glassfish and container.
>
> 1. Are all container initialized by starting glassfish? I read that glassfish
> only activates container that are relevant for the started application. Or
> start GF the container at first use?
They are lazy-loaded. You only pay for what you use.
> 2. What is the appication client container? is it like jvm on client side or
> is it an extra applicatoin that is started?
The ACC is defined by the Java EE specification. It allows for (remote) client code to run in a container.
Starting with Java EE this has the benefit of being able to inject resources in addition to propagate security context, etc.
> 3. How does glassfish know which container, services ... it must active
> / start?
It's smart! :)
It depends on the artifacts you deploy. A WAR file will require the web container for instance, for JARs it decides based on deployment descriptors whether it's an EJB, a library or an ACC archive. Sniffers are responsible for this logic.
There is also the special case of OSGi bundles that can be deployed using "asadmin deploy --type osgi" to explicitly target the OSGi runtime.
In any case, GlassFish is auto-adaptative and there is no need to cut a "profile" upfront with a specific set of features.
> 4.Is there any possibility to import and export glassfish configurations to
> use it on a second serverī?
asadmin backup-domain
asadmin restore-domain
cheers,
-Alexis
> Thanks
>
>
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