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Incorrect 400 Error When Creating Account With Existing OAuth Email

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  • Self Hosted
  • Auth
  • Flutter
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Egor Tabula
28 Mar, 2025, 14:02

👋 Hello! I’m encountering an unexpected behavior when creating a user in Appwrite.

🔍 Issue: • I first created a user using Google OAuth. • Then I tried to create a user with the same email using email/password. • Instead of receiving the expected 409 user_already_exists error, I received: AppwriteException: general_bad_request There was an error processing your request. Please check the inputs and try again. (400)

However:

✅ If I first create a regular email/password account and then try to create another email/password account with the same email, I correctly receive a 409 user_already_exists error.

❓ Question:

Why am I getting a 400 Bad Request instead of a 409 user_already_exists when the email is already registered via OAuth?

Is this expected behavior or a bug?

⚙️ Environment: • Appwrite: 1.6.1 (self-hosted) • SDK: Flutter 15.0.0

Thanks in advance for your help! 🙌

TL;DR
Issue: Creating a user with an existing OAuth email in Appwrite results in a 400 Bad Request error instead of the expected 409 user_already_exists error. Correct behavior occurs for regular email/password accounts. Solution: This behavior is unintended and is likely a bug. You should receive a 409 error when trying to create an account with an OAuth email that already exists.
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