[jboss-as7-dev] "JBoss-Product-Console-Slot"

[Heiko Braun]

Thanks for the explanation.

Why does the domain-http-error-context rely on the ProductConfig as well? It seems you are required to change both the console and domain-http-error-context modules when you update the product config.


On Sep 13, 2012, at 3:51 PM, Brian Stansberry <brian.stansberry at redhat.com> wrote:

> It's meant to control what module slot is used for loading the console 
> module. Different products would have different console modules stored 
> in differently named slot. Default is "main". To change the slot the AS 
> uses:
> 
> 1) A properties file $JBOSS_HOME/bin/product.conf is included in the 
> product.
> 
> 2) On boot, this properties file is loaded and an attempt is made to 
> load a module named "org.jboss.as.product" with a module slot specified 
> in the properties file. See constructor of ProductConfig at [1].
> 
> 3) That module includes a MANIFEST.MF that provides the name of the 
> module slot from which manifest attributes are read, including 
> JBoss-Product-Console-Slot.
> 
> 4) The ProductConfig is made available to services in the AS via the 
> ServerEnvironment service. The http management services use it to 
> provide the slot to the ResourceHandler for the console [2], which does 
> the actual loading of the module.
> 
> The part in step 2) involves a fair bit of indirection just for reading 
> a few properties, but it's a more future-proof approach, since that 
> "org.jboss.as.product" module could someday involve a lot more than just 
> a few manifest attributes. It's also simpler to patch stuff that's in a 
> module.
> 
> [1] 
> https://github.com/jbossas/jboss-as/blob/master/process-controller/src/main/java/org/jboss/as/version/ProductConfig.java
> 
> [2] 
> https://github.com/jbossas/jboss-as/blob/master/domain-http/interface/src/main/java/org/jboss/as/domain/http/server/ConsoleMode.java#L111
> 
> On 9/13/12 5:16 AM, Heiko Braun wrote:
>> Can someone explain how the "JBoss-Product-Console-Slot" is going to be used?
>> 
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> 
> 
> -- 
> Brian Stansberry
> Principal Software Engineer
> JBoss by Red Hat
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