JSON解析錯誤:No serializer found for class net.sf.ezmorph.MorpherRegistry

2019獨角獸企業重金招聘Python工程師標準>>> java 最近在使用json的時候，報了下面的錯誤：spring org.springframework.http.converter.HttpMessageNotWritableException: Could not write content: No serializer found for class net.sf.ezmorph.M

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