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Configure cache expiry at persistence.xml for shared cache

Hi all,

Is there a way to configure the cache expiration for the EclipseLink's shared cache using a property in persistence.xml? I do not want to use the annotation, since all my named queries reside at the orm.xml file (used solely for this purpose).

I searched for something like "eclipselink.cache.shared.expiry", but couldn't find anything on EclipseLink's documentation.

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