Firebase Admin SDK Java: serviceAccount.json not read

[Vincent Bott]

I'm trying to configure the Firebase Admin SDK on my Java app. It seems to me that the project_id, client_id and other credentials, is not being entered into the FirebaseOptions.

When I print out the project id, it says it is null, but I don't know what I'm doing wrong.

This is my code:

try {
    FileInputStream serviceAccount = new FileInputStream("D:/Documenten/Prive/Projecten/DeLijnNotificatieProject/sample.test/src/main/resources/serviceAccountKey.json");

    FirebaseOptions options = new FirebaseOptions.Builder()
            .setCredentials(GoogleCredentials.fromStream(serviceAccount))
            .setDatabaseUrl("https://delijnapp-e2539.firebaseio.com")
            .build();

    System.out.println("project_id: " + options.getProjectId());

    FirebaseApp.initializeApp(options);

} catch (IOException e){
    System.out.println("Probleem bij het laden van serviceaccount");
    System.out.println(e.getMessage());
    System.exit(1);
}

Geef de code hier op...

Setting up the Realtime Database on my android app, has been successful.

Can someone tell me what I've done wrong?

[Hiranya Jayathilaka]

FirebaseOptions.getProjectId() only returns a value if the projectId was set via FirebaseOptions.Builder.setProjectId(). This is mentioned in the API docs: https://firebase.google.com/docs/reference/admin/java/reference/com/google/firebase/FirebaseOptions.html#getProjectId()

Internally, the SDK can access the project_id field of the service account json when it needs to. If you want to access, you should parse the service account json in your code.

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Hiranya Jayathilaka | Software Engineer | h...@google.com | 650-203-0128