Good evening,
we follow the guide to "make the first api call" but as result we obtained:
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:178)
at
it.reply.fcadda.ForecastGenerator.EstimateKeywordTraffic.main(EstimateKeywordTraffic.java:56)
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:287)
at
com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:307)
at
com.google.api.client.auth.oauth2.Credential.executeRefreshToken(Credential.java:570)
at
com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:362)
at
com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:489)
at
com.google.api.ads.common.lib.auth.OAuth2Helper.callRefreshToken(OAuth2Helper.java:69)
at
com.google.api.ads.common.lib.auth.OfflineCredentials.generateCredential(OfflineCredentials.java:172)
The code used is the "Estimate keyword traffic" sample located here :
"https://developers.google.com/adwords/api/docs/samples/java/optimization#estimate-keyword-traffic";
As ads.properties we have used:
a) clientId, clientSecret (associated to this account)
b) clientCustomerId (an account created and associated to a test account)
c) developer token (associated to this account)
d) refresh token (obtained following this url
"https://github.com/googleads/googleads-java-lib/wiki/API-access-using-own-credentials-(installed-application-flow)#step-2---setting-up-the-client-library"
through the test account)
Can you help us? Thanks.
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