Twitter Not Authenticating

I have the same problem.

I also have realize that although I have enabled the Oauth module seems that twitter module don't realize about it.

Oskar

I have almost the same issue. I don't want to use Twitter to log into my site (yet) - I have a plain vanilla requirement; when a node (a story) is published, I want to emit a tweet from a single Twitter account (that is, only one Twitter account for the entire site, not differing accounts for different users.) Seems simple enough to me.

The documentation for setting up this (seemingly common) task is terrible.

I've had a bunch of 5.x sites that worked fine with the 'old' (pre-OAuth) Twitter. I've just set up a 6.20 site, and I cannot find *any* combination of OAuth and Twitter modules that work. The only thing I have been able to do is install the Tweet module (http://drupal.org/project/tweet) and let all authenticated users with access to a node manually tweet (that might work, if you could restrict the "tweet" feature to a role, but it does not appear on the permissions table)

I have tried using oauth-6.x-2.02 with twitter-6.x-2.6 and get the '401 unauthorized' error that seems to be appearing almost universally on recent Twitter issues. I can successfully register the application and enter the information into OAuth, however, or so it seems (no errors)

I have also tried twitter-6.x-3.0-beta3 with the same OAuth, which also fails, and the 3.0-beta# Twitter with oauth-6.x-3.x-dev - this is interesting, apparently the symbol name OAuth no longer appears in the OAuth .info file, since on the module selection menu, I see:

Twitter 6.x-3.0-beta3 Adds integration with the Twitter microblogging service.
Required by: Twitter actions (disabled), Twitter Post (disabled), Twitter Signin (disabled)
Twitter actions 6.x-3.0-beta3 Exposes Drupal actions to send Twitter messages.
Depends on: Twitter (disabled), Oauth (missing)
Twitter Post 6.x-3.0-beta3 Enables posting to twitter
Depends on: Twitter (disabled), Oauth (missing)
Twitter Signin 6.x-3.0-beta3 Adds support for "Sign in with Twitter"
Depends on: Twitter (disabled), Oauth (missing)

(Note 'OAuth (missing)')

Does anybody have this working ?
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UPDATED: Thanks to http://fatedtoend.com/content/how-get-drupal-post-updates-twitter-again-... I now have this working. I had to delete and recreate my Twitter-side application however. Follow those instructions, you will see results!

+1 to Valkyri9 !! Thanks!