Cannot connect to datastore

[NK4]

I tried to connect datastore using service account, I have given role as owner. Once service account is created, in the Managed keys option, added key and generate token as JSON, finally exported as env in intellji. I am getting below exception

Exception: Cloud Datastore API has not been used in project xxxx before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/datastore.googleapis.com/overview?project=xxxx then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.

I already enabled datastore API. Please anyone can help

[ms4446]

Here are some suggestions on how to troubleshoot further:

1. Verify API Activation:

   • Account Access: Ensure you're logged in to the Google Cloud Console with an account that has view and manage permissions for the project.
   • Double-check Project: Verify the Datastore API status is Enabled under the correct Google Cloud project: Verify Datastore API status 
   • Propagation Delay: API activation can take a few minutes to propagate. Wait for 5-10 minutes and retry connection.

2. Service Account Configuration:

   • Valid JSON Key: Ensure the service account's JSON key file is valid, accessible, and not expired or revoked. Do not share the JSON key file publicly and handle it securely.
   • Full Path in Env Variable: Set GOOGLE_APPLICATION_CREDENTIALS to the full file path of the JSON key, not just the directory.
   • Role: Make sure the service account has the "Datastore Owner" role or other suitable permissions for Datastore access.
   • Code Reference: Check your code properly references the service account credentials when connecting.

3. Network Issues:

   • Connectivity: Confirm your network connectivity. Can you access other Google Cloud services?
   • Corporate Network: If on a corporate network, check for egress controls or proxy settings that might block Google Cloud APIs.
   • Different Network: Try accessing the Datastore API from another network environment to rule out local network issues. If testing from home, ensure your personal firewall or antivirus isn't blocking the connection.
   • Project ID: Verify you're using the correct project ID in your connection configuration.

4. Additional Resources:

   • Libraries for different environments: Google Cloud Datastore Libraries 
   • Troubleshooting guide: Google Cloud Datastore Troubleshooting 
   • Authentication setup: Google Cloud Authentication Setup 

5. Further Assistance:

   • Google Cloud Documentation: Google Cloud Documentation 
   • Google Cloud Status Dashboard: Google Cloud Status Dashboard 

Additional Information:

• Share Code Snippet: Share the code related to your Datastore connection attempt, removing any API keys or other sensitive information before sharing.
• Development Environment: Specify the environment you're using (e.g., IntelliJ plugin, local emulator).
• Error Messages/Logs: Provide relevant error messages and logs related to the connection attempt.
• gcloud command: Use the following gcloud command to check if the Datastore API is enabled:
  gcloud services list | grep datastore.googleapis.com