java - Facebook Login API - No Email Field in Response -


i have web app running in google app engine/java. app allows user login using facebook account.

the implementation works error happened , said no email in api response.

email included in scope: scope = "email,user_birthday,user_location";

i explicitly required email:

"https://graph.facebook.com/me?access_token=" + accesstoken + "&fields=email,id,name,birthday,gender";

but still api don't have email returned. how reproduce error facebook account?

when response don't include email? email not required in facebook registraion? workaround this?

this old question, issue user doesn't have email. facebook allows users signup phone number growing percent of users not have email associated account.

more info: https://developers.facebook.com/docs/facebook-login/permissions#reference-email


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