[jboss-as7-dev] Question about EAR's and Class Loading

Andrig Miller anmiller at redhat.com
Tue Mar 22 16:01:09 EDT 2011



----- Original Message -----
> From: "David M. Lloyd" <david.lloyd at redhat.com>
> To: jboss-as7-dev at lists.jboss.org
> Sent: Tuesday, March 22, 2011 1:58:06 PM
> Subject: Re: [jboss-as7-dev] Question about EAR's and Class Loading
> On 03/22/2011 02:51 PM, David M. Lloyd wrote:
> > On 03/22/2011 02:42 PM, Andrig Miller wrote:
> >>> If OrderManagerEntities.jar is in the EAR's "lib" directory (or
> >>> the
> >>> directory you have configured as such in application.xml) then the
> >>> OrderManagerEJB.jar should be able to "see" it. If not then you'll
> >>> need
> >>> an explicit "Class-Path" reference to it from your EJB JAR.
> >>
> >> No, my OrderManagerEntities.jar is not the EAR's "lib" directory,
> >> its at the same level as the OrderManagerEJB.jar, and its listed as
> >> an EJB module in the application.xml.
> >>
> >> This seems broken to me.
> >
> > As a rule, we are restricting visibility by default as much as the
> > spec
> > allows (which may mean certain behaviors are different from AS 5/6).
> > So
> > the question is really, is this contrary to spec? If so, it's a bug.
> > That's what we need to answer.
> 
> Here's the relevant passage:
> 
> "Components in the EJB container may have access to the following
> classes and resources. Portable applications must not depend on having
> or not having access to these classes or resources.
> [...]
> * The content of any EJB jar files included in the same ear file.
> * The content of any client jar files specified by the above EJB jar
> files."
> 
> Thus it is correct to require an explicit Class-Path between EJB JARs
> within an application.
> 

Which I was not doing.  I just combined the two EJB jars into one anyway, and that works just fine.  I successfully deployed it just now.  So, one to see if it runs ;-).

Andy

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> - DML
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