java Spring RestTemplate 在从 Twitter 获取数据时提供 401 Authorization Required
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Spring RestTemplate gives 401 Authorization Required while getting data from Twitter
提问by Kiran Pariyar
I am trying to get twitter tweets using Spring RestTemplate. My code is below:
我正在尝试使用 Spring RestTemplate 获取 twitter 推文。我的代码如下：
public static void main(String[] args) {
RestTemplate restTemplate = new RestTemplate();
org.springframework.http.HttpHeaders httpHeaders = new org.springframework.http.HttpHeaders();
String url = "https://api.twitter.com/1.1/search/tweets.json q=java";
String headerName = "Authorization";
String headerValue = OAUTH_PARAMETERS
httpHeaders.add(headerName, headerValue);
httpHeaders.add("Content-Type", "application/json");
HttpEntity<String> requestEntity = new HttpEntity<>("Headers", httpHeaders);
System.out.println(">>>>>>>" + restTemplate.exchange(url, HttpMethod.GET, requestEntity, String.class).getBody());
}
I am getting following errors:
我收到以下错误：
Exception in thread "main" org.springframework.web.client.HttpClientErrorException: 401 Authorization Required at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:91) at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:641) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:597) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:557) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:475) at com.lftechnology.amlf.screening.service.impl.BalanceMediaSearchResultServiceImpl.main(BalanceMediaSearchResultServiceImpl.java:202)
线程“main”中的异常 org.springframework.web.client.HttpClientErrorException: 401 Authorization Required at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:91) at org.springframework.web.client.RestTemplate.handleResponse (RestTemplate.java:641) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:597) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:557) at org.springframework。 web.client.RestTemplate.exchange(RestTemplate.java:475) 在 com.lftechnology.amlf.screening.service.impl.BalanceMediaSearchResultServiceImpl.main(BalanceMediaSearchResultServiceImpl.java:202)
回答by Mukul Tripathi
It appears that you are setting wrong parameters in the header. Try this:
看来您在标题中设置了错误的参数。试试这个：
httpHeaders.set("Authorization","Bearer " + accessToken);
notice that the space after Bearer is important.
注意 Bearer 后面的空格很重要。
