You can specify that WebLogic Server cache external entities that are referenced with a URL or a pathname relative to the main directory of the EAR archive, either at server startup or when the entity is first referenced. You specify this by first creating an XML entity cache and then specifying for the particular entity when it should be cached.
Caching the external entity saves the remote access time and provides a local backup in the event that the Administration Server cannot be accessed while an XML document is being parsed, due to the network or the Administration Server being down.
To create an XML entity cache:
After you finish
Target the XML entity cache to a WebLogic Server instance. See Target an XML entity cache to a server.