当我尝试使用服务帐户访问Google Cloud Storage API时,出现invalid_grant错误。我无法弄清楚下面的代码有什么问题。任何想法 ?这是我使用Google Storage API的第一个应用程序。任何帮助将不胜感激。Google云端存储和服务帐户出现invalid_grant错误
源代码
public static void main(String[] args) throws Exception {
HttpTransport httpTransport = new NetHttpTransport();
JsonFactory jsonFactory = new JacksonFactory();
List<String> scopes = new ArrayList<String>();
scopes.add(StorageScopes.DEVSTORAGE_FULL_CONTROL);
Credential credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
.setServiceAccountId("XXXX")
.setServiceAccountPrivateKeyFromP12File(new File("key.p12"))
.setServiceAccountScopes(scopes).build();
Storage storage = new Storage.Builder(httpTransport, jsonFactory,
credential).setApplicationName("test")
.build();
List<String> list = new ArrayList<String>();
List<Bucket> buckets = storage.buckets().list("XXXX").execute().getItems();
if(buckets != null) {
for(Bucket b : buckets) {
list.add(b.getName());
}
}
}
错误和堆栈跟踪
Exception in thread "main" 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.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:269)
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:858)
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 GoogleStorageFetcher.main(GoogleStorageFetcher.java:143)
槽糕......我看不出有什么错。您的服务帐户看起来像一个很长的电子邮件地址,以“@ developer.gserviceaccount.com”结尾,对吧?和“key.p12”是在这样打开的正确的地方?可能值得尝试命令行示例应用程序以确保您的凭据有效:https://code.google.com/p/google-api-java-client/source/browse/plus-serviceaccount-cmdline-sample/? repo = samples&r = 1dd135aa1dfa0b5d326ba2a0c795ed18cd052495 –
谢谢。实际上,我使用的是客户端ID(以.apps.googleusercontent.com结尾)而不是电子邮件地址(以@ developer.gserviceaccount.com结尾)。 –