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Using a core ObjectGrid in a Jave 2 Platform Enterprise Edition (J2EE) application is the same as using it in a Java 2 Platform Standard Edition (J2SE) environment, except for several other considerations.
Considerations
In the J2SE core ObjectGrid topic, the ObjectGrid was defined using the configuration APIs to create a new ObjectGrid. If you used an XML file to create the ObjectGrid, and the xml is contained in the module of the EAR file, then access the file by using getClass().getClassLoader().getResource("META-INF/objGrid.xml") to obtain a URL object to use for creating an ObjectGrid instance.
Another consideration is classloaders. If an ObjectGrid instance is shared between different application modules within a J2EE application, then ensure that objects stored in the ObjectGrid and the plugins for the ObjectGrid are in a common ClassLoader in the application.
Additional Information
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