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org.springframework.util.InvalidMimeTypeException: Invalid mime type "application:json;charset=utf8": does not contain '/'

Ask Question List<MediaType> mediaTypeList = new ArrayList<>(); mediaTypeList.add(MediaType.APPLICATION_JSON); //mediaTypeList.add(MediaType.APPLICATION_JSON_UTF8); mediaTypeList.add(MediaType.TEXT_PLAIN); mediaTypeList.add(MediaType.ALL); headers.setAccept(mediaTypeList); headers.add(HttpHeaders.ACCEPT_ENCODING, "gzip, deflate"); headers.add(HttpHeaders.ACCEPT_LANGUAGE, "Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,zh-TW;q=0.7"); headers.add(HttpHeaders.USER_AGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36"); headers.add(HttpHeaders.CONTENT_LENGTH,"178"); headers.add(HttpHeaders.CONTENT_TYPE,"application/x-www-form-urlencoded"); headers.add(HttpHeaders.REFERER,"http://www.7dingdong.com/"); headers.add(HttpHeaders.ORIGIN,"http://www.7dingdong.com"); headers.add(HttpHeaders.CONNECTION,"keep-alive"); headers.add(HttpHeaders.HOST, "7ddapi.7dingdong.com"); HttpEntity<String> httpEntity = new HttpEntity<String>("",headers); StringBuffer paramsURL = new StringBuffer(goLoginUrl); paramsURL.append("?token=" + token) .append("&t="+ t) .append("&device="+ device) .append("&user_name="+ user_name) .append("&password="+ password) .append("&company="+ company) .append("&api="+ api); ResponseEntity<Object> response = restTemplate.exchange( paramsURL.toString(), HttpMethod.GET, httpEntity, Object.class); ResponseEntity<String> response = restTemplate.postForEntity(goLoginUrl,httpEntity,String.class);

Error:

Exception in thread "main" org.springframework.http.InvalidMediaTypeException: Invalid mime type "application:json;charset=utf8": does not contain '/'
    at org.springframework.http.MediaType.parseMediaType(MediaType.java:534)
    at org.springframework.http.HttpHeaders.getContentType(HttpHeaders.java:932)
    at org.springframework.web.client.HttpMessageConverterExtractor.getContentType(HttpMessageConverterExtractor.java:133)
    at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:90)
    at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:995)
    at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:978)
    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:737)
    at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:670)
    at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:579)
    at Login.goLogin(Login.java:268)
    at Login.main(Login.java:293)
Caused by: org.springframework.util.InvalidMimeTypeException: Invalid mime type "application:json;charset=utf8": does not contain '/'
    at org.springframework.util.MimeTypeUtils.parseMimeType(MimeTypeUtils.java:197)
    at org.springframework.http.MediaType.parseMediaType(MediaType.java:531)
    ... 10 more
Disconnected from the target VM, address: '127.0.0.1:54273', transport: 'socket'
                First of all, welcome to StackOverflow. Following the advices of the community, it is recommended to include context to your source code in order to receive the proper responses. Please check the documentation on how to write a good question. People will be very glad to help.
– Carlos Cavero
                Apr 16, 2019 at 8:34
From the error you can understand that mime type is wrong application:json;charset=utf8
It should be application/json;charset=utf8
You should use APPLICATION_JSON_UTF8_VALUE instead of MediaType.APPLICATION_JSON:
mediaTypeList.add(MediaType.APPLICATION_JSON_UTF8_VALUE);
                yes，The remote interface returned "application:json;charset=utf8" instead of "application/json;charset=utf8". I don't know why,  and I ignored it with "ignoreContentType".  thank you very much!
– 刘教导员
                Apr 17, 2019 at 14:04
you have to use MediaType.APPLICATION_JSON_VALUE as the media type for application json application/json
MediaType.APPLICATION_JSON_VALUE
        
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