Cannot deserialize instance of `java.util.ArrayList＜java.lang.Object＞` out of VALUE_STRING token

本文轉載自查看原文 2021-06-21 09:41 1000 JAVA

用postman測試接口給一個后端實體屬性類型為List數組的參數傳參，報錯“Cannot deserialize instance of `java.util.ArrayList＜java.lang.Object＞` out of VALUE_STRING token”，原因是在數據映射過程中，數據類型不兼容以致於在相互轉化時出錯，解決該問題需要將參數用[]括起來，例如：

免責聲明！

本站轉載的文章為個人學習借鑒使用，本站對版權不負任何法律責任。如果侵犯了您的隱私權益，請聯系本站郵箱yoyou2525@163.com刪除。

猜您在找 Postman傳遞Josn字段報錯：Cannot deserialize instance of `java.util.ArrayList ` out of VALUE_STRING token springboot報錯_Cannot deserialize instance of `java.util.ArrayList` out of START_OBJECT token Cannot deserialize instance of `java.util.ArrayList ` out of START_OBJECT token RedisTemplate 報錯 Unexpected token (VALUE_NUMBER_INT), expected VALUE_STRING: need JSON String that contains type id (for subtype of java.lang.Object) at [Source: (byte[])" JSON parse error: Can not deserialize instance of java.lang.String out of START_OBJECT token; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of j java.lang.ClassCastException: java.util.Arrays$ArrayList cannot be cast to java.util.ArrayList 解決java.lang.IllegalArgumentException: No converter found for return value of type: class java.util.ArrayList這個問題解決java.lang.IllegalArgumentException: No converter found for return value of type: class java.util.ArrayList的問題 JSON parse error: Cannot deserialize instance of `int` out of START_OBJECT token; nested exception is com.fasterxml.jackson.databind.exc java.lang.ClassCastException: java.util.ArrayList cannot be cast to com.github.pagehelper.Page pagehelper報錯無法類型轉化。