{
    "timestamp": "2020-12-10T02:46:12.291+0000",
    "status": 400,
    "error": "Bad Request",
    "message": "JSON parse error: Cannot deserialize value of type `java.util.Date` from String \"2000-01-01 00:00:00\": not a valid representation (error: Failed to parse Date value '2000-01-01 00:00:00': Cannot parse date \"2000-01-01 00:00:00\": while it seems to fit format 'yyyy-MM-dd'T'HH:mm:ss.SSSZ', parsing fails (leniency? null)); nested exception is com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.util.Date` from String \"2000-01-01 00:00:00\": not a valid representation (error: Failed to parse Date value '2000-01-01 00:00:00': Cannot parse date \"2000-01-01 00:00:00\": while it seems to fit format 'yyyy-MM-dd'T'HH:mm:ss.SSSZ', parsing fails (leniency? null))\n at [Source: (PushbackInputStream); line: 4, column: 19] (through reference chain: com.liupei.entity.Admin[\"createDate\"])",
    "path": "/admin/save"
}

 提交数据出现：

{
    "timestamp": "2020-12-10T02:46:12.291+0000",
    "status": 400,
    "error": "Bad Request",
    "message": "JSON parse error: Cannot deserialize value of type `java.util.Date` from String \"2000-01-01 00:00:00\": not a valid representation (error: Failed to parse Date value '2000-01-01 00:00:00': Cannot parse date \"2000-01-01 00:00:00\": while it seems to fit format 'yyyy-MM-dd'T'HH:mm:ss.SSSZ', parsing fails (leniency? null)); nested exception is com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.util.Date` from String \"2000-01-01 00:00:00\": not a valid representation (error: Failed to parse Date value '2000-01-01 00:00:00': Cannot parse date \"2000-01-01 00:00:00\": while it seems to fit format 'yyyy-MM-dd'T'HH:mm:ss.SSSZ', parsing fails (leniency? null))\n at [Source: (PushbackInputStream); line: 4, column: 19] (through reference chain: com.liupei.entity.Admin[\"createDate\"])",
    "path": "/admin/save"
}

解决：

    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date createDate;