橘子899 2022-05-07 14:24 采纳率: 78.6%
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已结题

使用 getObjectMapper().readValue(json, valueTypeRef) 方法将字符串反序列化为对象报错

public static T getObjectFromJson(String json, TypeReference valueTypeRef) {
try {

    return getObjectMapper().readValue(json, valueTypeRef);
} catch (Exception e) {
    throw new RuntimeException(e);
}

}

报错内容
java.lang.RuntimeException: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of java.util.ArrayList out of START_OBJECT token
at [Source: (String)"[{"default_value_type":"","display_condition":null,"enable_default_value":false,"id":"widget16518922297380001","name":"关联审批","printable":false,"required":true,"type":"connect","widget_default_value":""},{"default_value_type":"","display_condition":null,"enable_default_value":false,"id":"widget16518922368540001","name":"联系人","printable":true,"required":true,"type":"contact","widget_default_value":""},{"default_value_type":"","display_condition":null,"enable_default_value":false,"id":"widget165189"[truncated 2142 chars]; line: 1, column: 1920] (through reference chain: java.util.ArrayList[5]->cn.com.lundong.feishu.approval.request.result.ApprovalFormFieldResult["option"])

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1条回答 默认 最新

  • weixin_52828880 2022-05-07 16:57
    关注

    读到的json是标准json格式吗

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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问题事件

  • 系统已结题 7月1日
  • 已采纳回答 6月23日
  • 创建了问题 5月7日