interesting questions.
let's talk about this at our next engineering meeting. Sahoo will you
be able to join ?
jerome
On Apr 3, 2009, at 10:00 AM, June.Parks_at_Sun.COM wrote:
> Jan brings up the topic of class loaders to be added later. GFv2
> had MBean and LifeCycleModule class loaders that so far GFv3 doesn't
> have. I've heard that the final v3 release will include MBeans and
> LifeCycle modules, so I'm wondering if there are going to be special
> class loaders for these, and if so, where they will be in the
> hierarchy.
>
> In v2, the MBean class loader has the same parent as the Common
> class loader and the LifeCycleModule class loader has the same
> parent as the Application (now Applib) class loader. Will this also
> be the case in v3?
>
> June
>
> On 04/02/09 20:14, Jan Luehe wrote:
>> Sahoo,
>>
>> given an app, we'd like to be able to query
>>
>> org.glassfish.internal.api.ClassLoaderHierarchy
>>
>> for the classloader that comprises the library JAR files passed
>> to the --libraries deploy command option during the app's deployment.
>>
>> We noticed that in addition to taking an app name,
>> ClassLoaderHierarchy#getAppLibClassLoader also requires a list of
>> library URIs (corresponding to the JARs specified via --libraries)
>> as one of its arguments.
>>
>> We were hoping that passing the app name would be sufficient.
>>
>> Do you know how we can get to the List<URI> from any of the artifacts
>> made available to com.sun.enterprise.web.WebApplication?
>>
>> Alternatively, we could navigate to [F] from [H] in:
>>
>> archive class loader [H]
>> -> Modules class loader [G]
>> -> applib class loader [F]
>> -> connector class loader [E]
>> -> common class loader [D]
>> -> public API class loader [C]
>> -> extension class loader [B]
>> -> null (a.k.a. bootstrap class loader) [A]
>>
>> but that would be error prone since additional classloaders may be
>> inserted into the chain sometime in the future.
>>
>> Thanks,
>>
>> Jan
>>
>>
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>
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