[wildfly-dev] Proposal to read boot errors via WildFly Management APIs

[David M. Lloyd]

On 07/10/2014 09:23 AM, Emmanuel Hugonnet wrote:
> # Ability to read boot errors via  WildFly Management APIs
>
> Tracked by https://issues.jboss.org/browse/WFLY-543
>
> Use Cases
> ---------
>
> If a server starts but reported errors during boot, there is no way to access the error data via the Management API and users are reduced to
> searching the logs.
> This information needs to be captured and stored for later reporting.
> If some problem happens that gets logged at boot but somehow doesn't become visible to the management layer, that's out of scope. A problem
> getting logged but not becoming visible would basically mean some runtime service logged an error but the error didn't prevent the start of
> the service.
>
> Implementation
> --------------
> Create a new sub resource of core-service=service-container because it has the ability to dump services, thus having all the services boot
> errors and missing dependencies near seems like a good place.
> thus we would have :
> core-service => service-container {
> 	boot-errors => {
> 		failures => {
> 			service-name => stackTrace;
> 			....
> 		}
> 		missing-deps => {
> 			... list of missing dependencies as String
> 		}
> 	}
> }
>
> This structure is based on the structure of the failure description returned during verification when starting a service.
> All these informations should be collected in the ModelControllerImpl.
> This resource would have restricted access of course.

I think this makes more sense as an operation than a resource - i.e. 
"give me all the boot errors" => "okay, here you go as a big list".

The rule of thumb (for me) is that a resource typically corresponds to 
one or more services.

-- 
- DML