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

----- Original Message ----- > From: "David M. Lloyd"<david.lloyd(a)redhat.com> To: "Andrig > Miller"<anmiller(a)redhat.com> Cc: jboss-as7-dev(a)lists.jboss.org > Sent: Tuesday, March 22, 2011 1:40:06 PM Subject: Re: Question > about EAR's and Class Loading On 03/22/2011 02:29 PM, Andrig Miller > wrote: >> So, I got past the class not found exception for logging (I >> actually had to add org.jboss.logmanager export), since I was >> using the logmanager. > > BTW we've been discussing this one - I think we're going to set it > up so that manifest Dependencies at the EAR level are copied into > their constituent deployments, since this is probably what users > will expect will happen ("export" has certain potentially > undesirable side-effects with regards to class-path references > between deployment units). So expect the "export" to be no longer > necessary in Beta2. > Excellent. That will be nice. >> So, after getting past that, and successfully creating a module >> for MySQL and defining my data source, I know have another >> interesting issue with my ear file. >> >> I get the following: >> >> Caused by: java.lang.ClassNotFoundException: >> services.entities.Product from [Module >> "deployment.OrderManagerApp.ear.OrderManagerEJB.jar:main" from >> Service Module Loader] >> >> So, my ear is constructed in a fairly simple manner, and the same >> as it was for AS 5/6. I have an OrderManagerEntities.jar that has >> the entities in them, including the services.entities.Product >> that its complaining about, and that jar is in the ear, but the >> stateless session beans in OrderManagerEJB.jar reference it. It >> appears that there is not proper visibility to the entities in >> the other jar of the ear, and it cannot find it. > > 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.