I had the exact same error message and solved the problem. What I was doing
wrong is the following:
When using GetRefreshToken and copying the url in the browser I was copying
the code (starting by 4/) obtained by this page as the refreshToken in
ads.properties, instead of copying this code back into the
(GetRefreshToken) console and using as a refreshToken the one generated by
GetRefreshToken (starting by 1/).
I should have paid more attention to the instructions !
On Friday, August 2, 2013 2:33:21 AM UTC-4, Takeshi Hagikura (AdWords API
Team) wrote:
>
> Hi,
>
> I guesss, it's because the account you granted access to AdWords and the
> account you were trying to make a request against are different (or not
> under the MCC you granted access).
>
> Please make sure you grant access to an MCC account or a client account.
> And the account you are trying to make a request is under the MCC or the
> client account you granted access.
>
> Best,
> - Takeshi, AdWords API Team
>
> On Thursday, August 1, 2013 2:37:19 AM UTC+9, Echo Li wrote:
>>
>> Hi Gurus,
>>
>> I was trying to upgrade to oAuth2 authentication from ClientLogin method,
>> when I run the sample code I got below errors, have no clue what caused it,
>> is it possible that the way I create the "clientID" and "ClientSecret"
>> caused it? any reply is appreciated.....
>>
>> Exception in thread "main"
>> com.google.api.ads.common.lib.exception.OAuthException: Credential could
>> not be refreshed.
>> at
>> com.google.api.ads.common.lib.auth.OfflineCredentials.generateCredential(OfflineCredentials.java:149)
>> at
>> DownloadCriteriaReportWithAwql.main(DownloadCriteriaReportWithAwql.java:42)
>> Caused by: com.google.api.client.auth.oauth2.TokenResponseException: 400
>> Bad Request
>> {
>> "error" : "invalid_grant"
>> }
>> at
>> com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:105)
>> at
>> com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:332)
>> at
>> com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:352)
>> at
>> com.google.api.client.auth.oauth2.Credential.executeRefreshToken(Credential.java:535)
>> at
>> com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:248)
>> at
>> com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:454)
>> at
>> com.google.api.ads.common.lib.auth.OAuth2Helper.callRefreshToken(OAuth2Helper.java:70)
>> at
>> com.google.api.ads.common.lib.auth.OfflineCredentials.generateCredential(OfflineCredentials.java:144)
>>
>>
>> Echo
>>
>
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