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Cannot Access Token in OAuth2.0 using JAVA

 
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am trying for oauth2 authentication for imgur Api in java,i am getting the code from redirect URI but i cannot get the access token from the line


i have to send clientid,clientsecret,granttype,code to access token url by using POST method i tried but i got error like

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.scribe.exceptions.OAuthException: Cannot extract an acces token. Response was: {"data":{"error":"Missing required fields","request":"\/oauth2\/token","method":"GET"},"success":false,"status":400}
org.scribe.extractors.JsonTokenExtractor.extract(JsonTokenExtractor.java:24)
org.scribe.oauth.OAuth20ServiceImpl.getAccessToken(OAuth20ServiceImpl.java:37)
com.durga.ImgurCallbackServlet.doGet(ImgurCallbackServlet.java:54)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.


--------------------------------------------------------------------------------

Apache Tomcat/6.0.16


here is my coding that what i tried is


 
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Durga Roobini wrote:i have to send clientid,clientsecret,granttype,code to access token url by using POST method i tried but i got error like


Not being an OAuth expert, I honestly have no idea what you're problem is. However, there seems to be a lot of information in that error message after the "Response was:" bit, so I'd check the documentation (or Google) to see what it actually means. Clearly, it would appear that you're not providing information that the method needs though.

Also (but unrelated), I find it surprising that you're providing things like "api secret" and "client secret" as open text, because it would suggest to me that it could be easily cracked; but, as I say, I'm no OAuth expert.

Winston

PS: Your lines are far too long.
 
Durga Roobini
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Winston Gutkowski wrote:

Durga Roobini wrote:i have to send clientid,clientsecret,granttype,code to access token url by using POST method i tried but i got error like


Not being an OAuth expert, I honestly have no idea what you're problem is. However, there seems to be a lot of information in that error message after the "Response was:" bit, so I'd check the documentation (or Google) to see what it actually means. Clearly, it would appear that you're not providing information that the method needs though.

Also (but unrelated), I find it surprising that you're providing things like "api secret" and "client secret" as open text, because it would suggest to me that it could be easily cracked; but, as I say, I'm no OAuth expert.

Winston

PS: Your lines are far too long.



Hi Winston,That keys are duplicate more than i neve miss any methods i gothrough the documentation after that only i start doing,if am use some other provider instead imgur,it keeps same problem,becuse am sending parameters by post method using http client,so am i struck here only please some one help to get rid of this problem
 
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