```
final LinkedInOAuthService oauthService = LinkedInOAuthServiceFactory.getInstance().createLinkedInOAuthService(consumerKeyValue, consumerSecretValue);   
    LinkedInRequestToken requestToken = oauthService.getOAuthRequestToken();

```

I am using LinkedApi library,Yesterday this code was working but today I don't know why,but its giving exception

```
LinkedInRequestToken requestToken = oauthService.getOAuthRequestToken();

```

Its giving :

```
com.google.code.linkedinapi.client.oauth.LinkedInOAuthServiceException: oauth.signpost.exception.OAuthCommunicationException: Communication with the service provider failed: https://api.linkedin.com/uas/oauth/requestToken

```