Does Spring MessageSource Support Multiple Class Path?

Question

I am designing a plugin system for our web based application using Spring framework. Plugins are jars on classpath. So I am able to get sources such as jsp, see below

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Answer 1

overriding ReloadableResourceBundleMessageSource::calculateFilenamesForLocale may be better. Then, ReloadableResourceBundleMessageSource::getProperties can get PropertiesHolder from cachedProperties