Hi, I am following the tutorial [1] to get access to the GA account report data by executing a simple GA query, by using the Google Developers console. I followed all steps mentioned in the tutorial and the code works fine.
I get an error when I access the same GA account report data by giving the credential (Client secret and Id) of another user who also has shared access to that report data. I am successfully able to access the report data using the other users credentials If I have already run the java application using my credentials first. But If I run the app with the other users credentials first, then I get the following error. The Stack trace is shown below. Exception in thread "main" java.lang.NullPointerException at com.google.api.client.repackaged.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:191) at com.google.api.client.util.Preconditions.checkNotNull(Preconditions.java:127) at com.google.api.client.json.jackson2.JacksonFactory.createJsonParser(JacksonFactory.java:92) at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:85) at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:81) at com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:88) 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.auth.oauth2.Credential.refreshToken(Credential.java:489) at com.google.api.client.auth.oauth2.Credential.intercept(Credential.java:217) at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:859) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:410) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:343) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:460) at org.wso2.dashboard.access.data.GoogleAnalyticsAccess.getGAAccountId(GoogleAnalyticsAccess.java:66) at org.wso2.dashboard.access.data.GoogleAnalyticsAccess.getNoOfUsersPerRegion(GoogleAnalyticsAccess.java:164) at org.wso2.dashboard.access.data.GoogleAnalyticsAccess.main(GoogleAnalyticsAccess.java:213) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134) This seems to be a well known issue according to the link [2]. Has anyone encountered this before and have knowledge of a work around. Any clarification on this issue is very much appreciated. Thanks. [1] https://developers.google.com/analytics/solutions/articles/hello-analytics-api [2] https://github.com/google/google-api-java-client/issues/904 -- Sabra Ossen *Software Engineering Intern* Mobile : +94 (0) 785 227 769 [email protected]
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