Documentation typo: the error code seems to be on the Person class and therefore Size.person, instead of Size.student.
Comment From: pivotal-cla
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Comment From: pivotal-cla
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Comment From: snicoll
Thanks @GoncaloPT. There were actual further such wrong use a few lines down that I've polished in https://github.com/spring-projects/spring-framework/commit/df7ac9b308b13f1d340bbb1c2b80b5241d0c9172