nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.lang.String` out of START_ARRAY token at [Source: (PushbackInputStream); line: 1, column: 9] (through reference chain: cn.zno.Foo[\"name\"])...
instance of java.lang.String out of START_ARRAY token 是一个在JSON解析过程中常见的错误,通常出现在使用Jackson等JSON处理库时。这个错误表明,在解析JSON数据时,解析器期望得到一个字符串(java.lang.String),但实际上遇到了一个数组(START_ARRAY)的开始标记。
Could not read document: Cannot deserialize instance of `java.lang.String` out of START_ARRAY token 1. 最开始的时候是这样写的 ResponseEntity<String> response = restTemplate.getForEntity(url, String.class); 1. 后来改成这样就好了 ResponseEntity<JSONObject> response = restTemplate.getForEntity(url,...
\Error: Request failed with status code 400: {"errorCode":4001,"message":"Incorrect Request. Invalid JSON input: Cannot deserialize instance ofjava.lang.Stringout of START_ARRAY token; nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance ofjava....
"status": 400, "error": "Bad Request", "exception": "org.springframework.http.converter.HttpMessageNotReadableException", "message": "Could not read document: Can not deserialize instance of java.lang.String out of START_ARRAY token\n at [Source: java.io.PushbackInputStream@6d9b2ba7; li...
com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.lang.String` out of START_ARRAY token at [Source: (String)"{"thread": {"thread_id": "thread_id", "thread_v2_id": "17873302081828739", "users": [{"pk": 7218769496, "username": "usernameHide...
最近在代码迁移过程中,遇到了JSON解析失败的问题。具体表现为出现 "Cannot deserialize instance ofjava.lang.Stringout of START_OBJECT token" 错误。经过仔细研究和调试,发现问题的根源在于之前使用的 fastjson 转换库被替换为 jackson 后无法正确读取数据。
JsonMappingException: Can not deserial ize instance of java.lang.String out of START_OBJECT token ...
无法反序列化 11:30:14,382 ERROR AbstractController:201 - Could not read JSON: Can not deserialize instance of java.lang.String out of START_OBJECT token at [Source: org.apache.catalina.connector.CoyoteInputStream@1d843f1; line: 1, column: 61] (through reference chain: cn.ql.module.project...
Exception in thread "main" java.lang.IllegalArgumentException: Cannot deserialize instance ofjava.lang.Stringout of START_ARRAY token at [Source: UNKNOWN; line: -1, column: -1] (through reference chain: ssf.app.api.entity.groups.GroupsDetailEntity["member_list"]) ...