Three Maven modules - jackson2-before (2.22.1), jackson3-after (3.2.1) and a coexistence module with BOTH majors on one classpath - so every claim in the two migration guides is executed rather than asserted. Paired class names make the before/after outputs directly diffable via run-all.sh. Confirms the guides on wire-format equivalence (10-case suite, zero mismatches), classpath coexistence and the collapse of four artifacts into one. Corrects nine points, including that enableDefaultTyping() is still present in Jackson 2.22.1 rather than removed in 2.16, and that the published "after" mapper snippet does not compile.
10 lines
347 B
Plaintext
10 lines
347 B
Plaintext
FAIL_ON_TRAILING_TOKENS : true
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FAIL_ON_UNKNOWN_PROPERTIES : false
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ALLOW_FINAL_FIELDS_AS_MUTATORS: false
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DEFAULT_VIEW_INCLUSION : false
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AUTO_DETECT_CREATORS exists : false
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concatenated JSON -> rejected: MismatchedInputException
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trailing garbage -> rejected: StreamReadException
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unknown property -> accepted: OrderDto[orderId=1]
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