An unknown error has occurred on Graph Facebook - facebook

I tried to get Data from Facebook Page with the graph of Facebook but I have a problem.
When I try to go on link like:
https://graph.facebook.com/ID-PAGE?access_token=MY_ACCESS_TOKEN
I always do this to have the Data from a Page but since today I have the error Message: "An unknown error has occurred".
Thanks for help.
EDIT:
The bug is fixed : https://developers.facebook.com/bugs/486654544831076/?search_id

Have a look at my answer at
How to get user email and birthday from Facebook API Version v2.4
You have to specify each field you want to query now with v2.4. If you want to explicitly use v2.3, you need to prepend your calls by /v2.3 like this:
/v2.3/{page_id}?access_token=MY_ACCESS_TOKEN
Seems like there's currently a bug regarding requests made with app access tokens instead of user access tokens:
https://developers.facebook.com/bugs/486654544831076/

At this moment, I pretty much figured out what is happening, and it looks like a bug in the Facebook API.
For v2.3 and lower:
The /PAGE-ID call will return an Unknown server error when you don't pass ?fields=username (for example). If you do pass the fields option, it will work. You can get it out of the docs.
For v2.4:
This will work, but you will miss a lot of data, so you'll also have to pass the fields options. But if you don't pass that, this version will give you back only the most basic of details. This is as described in the version release: https://developers.facebook.com/blog/post/2015/07/08/graph-api-v2.4/
So the solution for now, would be to add the ?fields= everywhere you need, or to wait for Facebook to maybe ever solve it.
(And while you're at it, you might as well upgrade to v2.4 ;-)

Related

Errors from Facebook graph API on posting - Service temporarily unavailable

Recently I get temporary errors from Facebook API after user is trying to share a post through "me/feed" route.
The error message is :
"message":"Service temporarily unavailable",
"type":"FacebookApiException",
"is_transient":true, "code":2,
"error_subcode":1609010,
"error_user_title":"URL Not Found",
"error_user_msg":"We had trouble using the URL you provided. Please try again later.",
"fbtrace_id":"DgSULoXJMfK"
Anyone know what could be the reason for this?
I'm pretty confident this is a bug. We're finding that the exact same post will fail when published to some pages, but succeed on others. This sort of inconsistency along with the feedback of others (see below) suggests that this behavior is due to a bug.
https://developers.facebook.com/bugs/1571642049794292/
I've the same error when try to use Facebook OAuth2 with scope=email name
Fixed by setting scope=email

Empty response to API call to Facebook Graph

I have been hammering away at this problem for the last day. I really hope someone can help me out. I would be very grateful.
What I am trying to do is fetch event data from a Facebook Page. I looked over the documentation, which says this about reading Pages data:
Reading
A Facebook page
Permissions
For pages that are published, you need:
An app or user access token to view fields from fully public pages.
So what I did was I obtained an app access token via:
GET https://graph.facebook.com/oauth/access_token?
client_id=YOUR_APP_ID
&client_secret=YOUR_APP_SECRET
&grant_type=client_credentials
which then returned
access_token=MY_APP_ID|MY_APP_ACCESS_TOKEN
After this I followed the documentation and made the following call
https://graph.facebook.com/v2.4/129511477069092/events?fields=id,cover,name,venue,description&access_token=MY_APP_ID|MY_APP_ACCESS_TOKEN
This returned:
{
"data": [
]
}
So after some fiddling around I was able to make the call by switching to version V2.2 and by creating an access key with Facebook API Graph explorer tool(no permissions granted).
GET https://graph.facebook.com/v2.2/129511477069092/events?
fields=id,cover,name,venue,description&
access_token=ACCESS_TOKEN_FROM_FACEBOOK_API_EXPLORER_TOOL
The page I am trying to retrieve data from is public and so are the events, so I can't figure out what is going on. I know I am super close since I am able to retrieve the data with the token provided by the Facebook API Graph Explorer Tool. The thing with using this token is that it only last a few hours and I need something that is going to last longer such as an app access token. I have done some research on Stackoverflow and found similar questions, but none of them solve my problem. Any help will be appreciated to the max! Thanks.
Looks like a bug of v2.4 to me. It works with v2.3 if you remove the deprecated venue field:
https://developers.facebook.com/tools/explorer/145634995501895/?method=GET&path=129511477069092%2Fevents%3Ffields%3Did%2Ccover%2Cname%2Cdescription&version=v2.3
If the version is changed to v2.4, it returns an empty result.
https://developers.facebook.com/tools/explorer/145634995501895/?method=GET&path=129511477069092%2Fevents%3Ffields%3Did%2Ccover%2Cname%2Cdescription&version=v2.4
There's no documentation about this in the changelog at
https://developers.facebook.com/docs/apps/changelog#v2_4
so I guess it's a bug. There's already a bug report at
https://developers.facebook.com/bugs/443054055873667/
with status assigned. If you have an app that supports v2.3, I'd suggest you prefix your request like this:
GET /v2.3/129511477069092/events?fields=id,cover,name,description

How to get events from a page with the new facebook graph api v2.4

Earlier, this would give back a list of events:
clubversuz/events
Now it gives back an empty array called 'data'.
Ok..they say that now you should explicitly declare the fields in a request, so I tried that too with this, but it return nothing either. The clubversuz id is used below:
8261409764/events?fields=end_time,start_time,timezone,id,name
Does anyone know how to go further?
P.S. I just started with this API and yesterday I was glad: I could get events.
Now, one day later, it has been broken by changes from fb. Is this how it's going to be with the fb API, Create something, break, repair? :)
It seems that the behaviour is still working if you explicitly provide the API version to be v2.3:
https://graph.facebook.com/v2.3/8261409764/events?access_token=
When you use v2.4 in the above call, it's not returning any events. This might actually be a bug; can you create a bug report?

I can't use "friends locations" with the Graph api explorer anymore

as the title says, I can no longer use friends locations with the graph api explorer any more(in https://developers.facebook.com). Even if I click all access token checkboxes,(trying to get me/friends?fields=locations.fields(place)) I still get error(
{
"error": "Request failed"
}). But me/locations?fields=place works, so it must be someting with "friends" that makes it to crash.
I was able use it 2 weeks ago, and I have not done any changes, it just suddenly stoped working. if I login with my test Account I can get all the parameters I request, but not on my primary account. Is there any one that has any idea what the problem can be? or why it occurred? I have done everything that I can think of, from using diffrent web browers, deleting all history, use diffrent computer. I have compared the settings for both my test account and my main account, both have the same settings.
I am sincerely sorry if i have misspelled anything.
It happens for me as well for any of the locations methods, but the location method with out the s works. I don't know if that data is usable for you.
me/friends?fields=location,hometown
I have figured out the reason to this problem. I has to do with requests from facebook's api, if i lower the Limit per request it works. Then to save the information I use offset.

List of Facebook error codes

I'm looking for a list of all Facebook can return when you try to fetch infos using Graph API. Can anyone help?
Facebook returns a 400 HTTP error, and a JSON content like:
{
"error": {
"type": "OAuthException",
"message": "Invalid OAuth access token signature."
}
}
I'm searching the different returns of the same kind it is possible to get.
Facebook used to have this published somewhere, but for whatever reason it was removed. But you can find the full list here:
http://www.takwing.idv.hk/tech/fb_dev/faq/general/gen_10.html
There seems to be a list now for the errors.
I posted answer for the same question here: Facebook Graph API error code list
(I found the list here https://developers.facebook.com/docs/graph-api/using-graph-api/error-handling)
In case Takwing's copy ever comes down, here's another copy: http://fbdevwiki.com/wiki/Error_codes
These codes were primarily for the REST API, but they do also come up with the Graph API. Some of the Graph API calls have underlying FQL calls that return the FQL error codes. And the direct FQL queries are still part of the currently accepted API.
Update: I'm trying to keep this list up-to-date. Please feel free to make changes as you encounter new errors.
I am trying to keep an updated list of error codes based on previous outdated information.
You can find the repo here http://github.com/phwd/fbec and it has been updated with Test User and Credit Error codes from the Facebook Documentation.
Currently looking for the constant name for "Error Code 2500" and some error descriptions may have changed. I hope to keep on top of this.
There is an official error code page, now:
https://developers.facebook.com/docs/marketing-api/error-reference/
It still doesn't look comprehensive...