• 首页
  • 栏目
  • CRM
  • Cannot deserialize value of type `java.util.ArrayList<xxx>` from Object value......

Cannot deserialize value of type `java.util.ArrayList<xxx>` from Object value......

  • 2021-11-16
  • Admin

JSON parse error: Cannot deserialize value of type java.util.ArrayList from Object value (token JsonToken.START_OBJECT); nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize value of type java.util.ArrayList from Object value (token JsonToken.START_OBJECT)
at [Source: (PushbackInputStream); line: 1, column: 1]

【Controller】

	@PostMapping("/add")
    public Result<String> insert(@RequestBody List<ReviseInfo> reviseInfoList){
        return reviseAdaptor.insert(reviseInfoList);
    }
  • 1
  • 2
  • 3
  • 4

错误传参,报错

{
    "reviseInfoList": [
        {
            "fragOri": "宁厦",
            "fragFixed": "宁夏",
            "type": 1
        },
        {
            "fragOri": "历案",
            "fragFixed": "立案",
            "type": 2
        },
        {
            "fragOri": "沈查",
            "fragFixed": "审查",
            "type": 3
        }
    ]
}
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19

正确写法,通过

[
    {
        "fragOri": "宁厦",
        "fragFixed": "宁夏",
        "type": 1
    },
    {
        "fragOri": "历案",
        "fragFixed": "立案",
        "type": 2
    },
    {
        "fragOri": "沈查",
        "fragFixed": "审查",
        "type": 3
    }
]
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17

原文:https://blog.csdn.net/weixin_44316527/article/details/121364266

联系站长

QQ:769220720