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DNG LQE Authentication


Jyothilekshmi S (16211) | asked Apr 04 '16, 5:43 a.m.
 Hi 
I am trying to execute a SPARQL query from my java application. I have authenticated to the DNG server using the post call to the URL https://serever:port/jts/j_security_check. I am able to fetch artifacts from DNG. Now I wanted to connect to LQE but getting 401 error. I read some where we need to give the redirect ul as a header. How can i get the url

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Gabriel Ruelas (1.1k13) | answered Apr 04 '16, 8:45 a.m.
Hi,  Are you using the sample code that uses version as a parameter for method:
sendGetForSecureDocument(String serverURI, HttpGet request, String login, String password, HttpClient httpClient, String jtsURI, float version), if so try by passing 4.0f as version when logging to LQE.

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Jyothilekshmi S commented Apr 05 '16, 1:08 a.m.

 I dont have a sample code with me. My code is authenticating and fetchinf data from DNG , but giving 401 with LQE https://ser.dng.com is the dng basic url and https://ser.dng.com/lqe is the lqe 

HTTP/1.1 401 Unauthorized [Date: Tue, 05 Apr 2016 05:05:13 GMT, X-Powered-By: Servlet/3.0, X-jazz-web-oauth-url: https://ser.dng.com/jts/oauth-authorize?request_token_secret=QzHrQHbUhg2EsjhloF48zvDIi6Ckkd,asBDmF3LH3auJo&oauth_token=b5a44f61d0a7b4d7f813547ccjif171136e, WWW-Authenticate: OAuth realm="https://ser.dng.com/lqe", Keep-Alive: timeout=10, max=99, Connection: Keep-Alive, Transfer-Encoding: chunked, Content-Type: text/plain; charset=UTF-8, Content-Language: en-US]. I am gettign a 200 ok response on the get call to X-jazz-web-oauth-url


Gabriel Ruelas commented Apr 05 '16, 8:45 a.m.

In the OSLC Workshop ( https://jazz.net/library/article/635 ) there is sample code ( RM sample 04 ) that authenticate with Rm which has been successfully used to authenticate with lqe.


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API-DEV User (2126) | answered Feb 26 '19, 5:46 p.m.

 Anyone been able to do this?

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