ClassNameIdResolver doesn't handle resolve Collections$SingletonMap & Collections$SingletonSet #1823
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peterjurkovic
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cowtowncoder
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Dec 4, 2017
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The current implementation of
ClassNameIdResolverdoesn't handlejava.util.Collections$SingletonMapneitherjava.util.Collections$SingletonSetdue to this deserialization of these classes fails with an error Cannot construct instance ofjava.util.Collections$SingletonMap(no Creators, like default construct, exist)This is due to that an object is serialized as:
This pull request added support for
java.util.Collections$SingletonSetjava.util.Collections$SingletonMapjava.util.Collections$SingletonListwas already supported. Also not quite sure why was used protected final modifierprotected final String _idFrom(..)I would keep an option to override this method otherwise is quite difficult fix/adapt a behavior of this class.