Hi there, I'm trying to move my openjpa libs from WEB-INF/lib to Tomcat's shared/lib, but it seems I have a border case which makes this difficult.
The situation is that each instance of the webapp loads between 5 - 10 subclasses of an abstract Entity. Which classes are loaded is specified by that instance's configuration file. This is done with some custom bootstrapping code which ignores the normal JPA persistence.xml mechanisms. Everything works fine when one instance is loaded, but when another is loaded with a different set of subclasses, things get a bit hairy. AFIACT, the problem is that the openjpa.enhance.PCRegistry class uses static fields to store Meta information. When the second instance is loaded, the PCRegistry has been initialized, but doesn't contain that instance's subclasses and an exception is thrown. This is not a problem using the WEB-INF/lib classloader of course because each instance has their own PCRegistry class. I'm wondering if anybody might be able to suggest a workaround. I'd be happy if there was a way to load all the subclass metadata into the PCRegistry, but I still need each instance of the webapp to only be aware of their own subclasses. Cheers, Roger -- View this message in context: http://www.nabble.com/Shared-classloader-and-subclasses-tf3431312.html#a9565638 Sent from the open-jpa-dev mailing list archive at Nabble.com.
