Hi all:
I use httpclient (v4.3.6) to visit kylin restful api and the java code is
as follows:
private static CloseableHttpClient httpClient = null;
private static CloseableHttpClient getHttpClient(String
authenticationURL, String authenticationToken) {
if (httpClient == null) {
httpClient = HttpClients.createDefault();
HttpPost post = new HttpPost(authenticationURL);
post.addHeader("Content-Type",
"application/json;charset=UTF-8");
post.addHeader("Authorization", authenticationToken);
post.addHeader("Accept", "*/*");
try {
HttpResponse res = httpClient.execute(post);
System.out.println(EntityUtils.toString(res.getEntity()));
} catch (Exception e) {
e.printStackTrace();
}
}
return httpClient;
}
public static String sendHttpGet(String url, String authenticationURL,
String authenticationToken) throws ClientProtocolException, IOException {
HttpGet get = new HttpGet(url);
HttpResponse response = getHttpClient(authenticationURL,
authenticationToken).execute(get);
return EntityUtils.toString(response.getEntity());
}
Well, when I getting the httpClient for the first time, httpClient == null
and the code above can create a newly httpClient which can work well.
However, if a timed task(e.g. 1hour per running) call the getHttpClient()
function using the same httpClient 1 hour later after the first calling, the
session expired and it returns 401.
So, I want to know how long does one session of kylin api keep, and how can
I solve the problem. Looking forward to your reply, thx~~
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Guangzhou Shiyuan Electronics Co., Ltd.
