InfluxDB is a powerful time-series database designed to handle high write and query loads. It is commonly used for monitoring, analytics, and IoT applications due to its ability to efficiently store and retrieve time-stamped data.
When working with InfluxDB, you might encounter the error message: ERR: user not found. This error typically appears when attempting to perform operations that require user authentication or specific user permissions.
This error is often observed when:
The ERR: user not found error indicates that the username specified in your request does not match any user in the InfluxDB instance. This could be due to a typo in the username, or the user may not have been created yet.
InfluxDB uses a role-based access control system to manage users and their permissions. Each user must be explicitly created and assigned appropriate roles to interact with the database.
To resolve the ERR: user not found error, follow these steps:
Ensure that the username you are using is correct. Double-check for any typos or case sensitivity issues.
Log into your InfluxDB instance and run the following query to list all existing users:
SHOW USERS
This will display a list of all users and their associated roles. Verify if the user in question exists.
If the user does not exist, you can create a new user with the following command:
CREATE USER WITH PASSWORD ''
Replace <username> and <password> with the desired username and password.
After creating the user, assign the necessary roles to ensure they have the required permissions. For example, to grant admin privileges, use:
GRANT ALL PRIVILEGES TO
For more detailed information on managing users in InfluxDB, refer to the official InfluxDB Authentication and Authorization documentation.
Additionally, you can explore the InfluxDB Query Language documentation for more insights on managing databases and users.
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