[Beginner's Corner] - JBoss Supported Java Standards
by Richard Lok
Richard Lok [http://community.jboss.org/people/thelok617] created the discussion
"JBoss Supported Java Standards"
To view the discussion, visit: http://community.jboss.org/message/554032#554032
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Hi guys,
Quick clarification - I am researching what Java standards JBoss supports. I am confused by the following statements on JBoss and Sun's sites that I found, as an example:
"JNDI is a standard Java API that is bundled with JDK1.3 and higher"
"RMI over IIOP is available with the download of the Java 2 platform, Standard Edition, version 1.3 and 1.4."
"JAXP Standard - Now implemented via Java SE"
Does this mean if I use any JVM to run JBoss, and if I use a Java EE 5 certified version of JBoss Application Server, that JBoss is guaranteed to support those standards? I know JBoss provides functionality for JNDI, RMI, JAXP, etc but I don't see any clear documentation that says JBoss definitely support those standards in their entirety.
Thanks.
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15 years, 9 months
Re: [jboss-user] [JBoss Microcontainer Development] - Benchmarking classloaders
by Kabir Khan
Kabir Khan [http://community.jboss.org/people/kabir.khan%40jboss.com] replied to the discussion
"Benchmarking classloaders"
To view the discussion, visit: http://community.jboss.org/message/554012#554012
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> Ales Justin wrote:
>
> > Ales, can you take a look at how I am setting up the VFSClassLoaderFactories?
> >
> Should be fine.
>
> So to get the tests straight.
> Why the three level hierarchy depth?
The three levels was inspired by David's stuff, as I understood it a load of one class triggers load of some others. It can certainly be made simpler though, so I can do a one-level set tomorrow.
> Ales Justin wrote:
> Who creates requirements and who provides the capabilities?
> Why the re-export on module and package?
The requirements and capabilities are set up in the individial tests. I'm not sure about the re-export, is it needed when Impl (loaderA) loads its superclass AbstractImpl (loaderB) which in turn brings in its interface (loaderC)?
> > The thing I found strange was that for the Module test I had to specify the packages as a capability as well as the module, but I'm not that familiar with how this works so maybe that's how it should be.
> What happens if you don't do this?
I get an exception, IIRC NoClassDefFoundError when trying to load the superclass which comes from a loader that only exports the module and not also the packages. But maybe there is another setting to get around this?
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15 years, 9 months