springboot內置jackson處理器配置處理單對象轉list報錯

這兩天做springboot升級的時候遇見一個問題,報錯如下(Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.util.ArrayList` out of START_OBJECT token ),根據異常棧找到報錯代碼處,這個對

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