Fix for NPE in POJO codec when a POJO has a nested collection property and one of the nested values is null #446
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… deferring to codec.encode. This fixes an NPE when a POJO has a nested collection element and one of the nested collection values is null.
robrua
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Currently if the top-level collection property is null it will be handled gracefully, but if a collection of collections contains a null element it currently causes an NPE on the inner CollectionCodec.encode call while attempting to loop through the null collection's values.