Amazon Q Login getting failed - `error: service error`

Question

Amazon Q log in through CLI or through App -> both are redirecting me to AWS website and login is also getting approved there.

```
Request approved
Amazon Q Developer for command line can now access your data in Amazon Q Developer.
```

But when i Open the Q App or the CLI, it's showing `server error`

```
❯ q login
✔ Select login method · Use for Free with Builder ID
 Logging in...error: service error
```

re:Post Agent · Answer

It looks like you're experiencing authentication issues with Amazon Q Developer. Based on the error messages you're seeing, there are a few potential causes and solutions:

1. Authentication failures: When you see "error: service error" after the login process appears to complete, this often indicates an issue with the authentication process. Even though you received the "Request approved" message, the actual connection to Amazon Q services might not be establishing correctly.

2. Try re-authenticating: Run `q login` again to attempt re-authentication. Sometimes this can resolve temporary authentication issues.

3. Check your subscription status: Verify that you have an active Amazon Q Developer subscription. If you're using a subscription provisioned by an administrator, ensure that it's properly configured and active. It may take up to 24 hours for a new subscription to activate fully.

4. Network connectivity issues: Amazon Q uses WebSocket technology over port 8443 for secure communication. Ensure this port is accessible on your network. If you're using a VPN or firewall, try testing with it turned off to see if that affects the connection.

5. Run diagnostic tools: Try running `q doctor` in your terminal to diagnose common issues with your Amazon Q installation.

6. Service capacity issues: In some cases, these errors can occur due to high demand on the Amazon Q service. If this is the case, you might need to wait and retry your request later.

7. Check for the latest extension: Make sure you have installed the latest Amazon Q extension and are using a supported version of your IDE (if you're using Amazon Q in an IDE).

If the issue persists, you might want to report the problem using the `q issue` command in your terminal or check the Amazon Q logs for more detailed error information.  
**Sources**  
[Troubleshoot Amazon Q Developer authentication errors in IDE | AWS re:Post](https://repost.aws/knowledge-center/amazonq-developer-authentication-errors)  
[Amazon Q is having trouble responding right now: | AWS re:Post](https://repost.aws/questions/QU6Lk6NWDiQYO8CmHMSD_IxA/amazon-q-is-having-trouble-responding-right-now)  
[Accessing and using Amazon Q Developer logs - Amazon Q Developer](https://docs.aws.amazon.com/amazonq/latest/qdeveloper-ug/troubleshooting-q-logs.html)

Amazon Q Login getting failed - `error: service error`

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