Uncaught oauthexception error validating access token, login with facebook app, how to check token validity in my server

An active access token must be used to query information about the current user. The session is invalid because the user logged out.

So this should be correct, right? So, moral of the story is that the redir url you sent to exchange the token has to be identical the the original redir url and it can't have query parameters.

The session has been invalidated because the user changed their password of Facebook has changed the session for security reasons. But let's take it step by step. They only worked when they were identical AND there were no query parameters.

Yes, the trailing slash worked for me too, thanks! Query parameters are OK, but they need to be the same when you make the second call to exchange the code for a token Use the state parameter to send whatever extra parameters you want to the redirected URL: I've been trying to figure this out for ages.

In the guide page, it says the following url could be used to generated an access token: Please retry your request dromen uitleg vreemdgaan dating. They tried to login fro Answers I recently dealt with exactly this problem: Please see here for more information.

You can also update the plugin manually by following these directions. An unexpected error has occurred. For debugging purposes, I found it helpful to use exactly the code fb provides on the developer page: I keep seeing this error message: The thing that made it work was to change the redirect uri in both requests for the flow from: To do this use the setting in the following location: Any idea about this?

Error validating verification code.

Getting the token

It should look something like this. Error validating Access Token. I've modified that function like so: I made sure that the two URLs were identical.

Handling Errors Facebook doesn't notify you that a previously issued access token has become invalid.

Your Answer

You can try manually changing the request method used in the plugin to see whether this fixes the problem. Access tokens are needed to make calls on facebook graph api. Debugging and Error Handling Getting Info about Tokens and Debugging When working with an access token, you may need to check what information is associated with it, such as its user or expiry.

Sign up for our newsletter and get our top new questions delivered to your inbox see an example. The only way around this is to contact your web hosting company and ask them to either change your IP address or move you to a different web server.

So before trying any of this out, create new facebook instance at the beginning of the script.

Using facebook off-line access to post on user's wall

You can read about more errors in our API Error reference but these three errors are the most common when dealing with access tokens. The login flow your app uses for new people should determine which method you need to adopt.

Note 0 Unable to get access token from Facebook. Error validating access token: They helped, but in my case the problem was that my redir URL had a query parameter and Facebook wasn't cool with that.

Now you can store it in database or wherever you like and use it in your script when needed. I also have to modify my example and live apps. This may be because of the following reasons: I don't see a setting for this on the app page on Facebook.

Using facebook off-line access to post on user's wall | EagerFish

Contact Get in touch with me Using facebook off-line access to post on user's wall Important notice! For more information on codes and subcodes please see the error code reference doc.

You can expect that they will grow and shrink over time.