fix: handle null Java values for absent JSON fields - #6
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When a JSON field is absent from the object, Map.get() returns Java null (not JsonNull). All JsonMapper methods now treat null the same as JsonNull — returning null for nullable types and throwing a clear error for primitive types. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
margin_ratein Kraken assets)Map.get()returns Javanullfor absent keys, butJsonMappermethods only checked forJsonNulltoString,toBigDecimal,toBigInteger,toEnum,toList,toMap, boxed types) now treatnullthe same asJsonNulltoInt,toLong,toDouble,toFloat,toBoolean) throw a clear error message instead of NPETest plan
NullPointerExceptioninKrakenAssetJsonAdapter.fromJsonwhenmargin_rateis absent🤖 Generated with Claude Code