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Description

MongoDB Error 322, 'A P I Version Error', indicates an incompatibility between the MongoDB driver or client application and the MongoDB server's expected API version. This typically occurs when a client attempts to connect to a server using an API version that the server does not support, or vice-versa, often after upgrades or when using mixed versions.

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Error Message

A P I Version Error

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Known Causes

3 known causes

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Outdated Client or Driver

The MongoDB client application or driver used to connect is older than the server and does not support the server's required API version.

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Newer Client, Older Server

A newer MongoDB client or driver is attempting to connect to an older MongoDB server that does not support the API version requested by the client.

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Incorrect API Version Configuration

The `apiVersion` option specified in the connection string or client configuration does not align with the MongoDB server's supported API versions.

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Solutions

3 solutions available

1. Align MongoDB Driver and Server Versions easy

Ensure your MongoDB driver version is compatible with your MongoDB server version.

1

Identify your MongoDB server version. You can do this by running `mongod --version` in your terminal or connecting to your MongoDB instance using the `mongo` shell and running `db.version()`.

mongod --version
# or
db.version()

2

Consult the MongoDB documentation for your specific server version to determine the recommended or compatible driver versions. Search for 'MongoDB <server_version> driver compatibility'.

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3

Update your application's MongoDB driver to the compatible version. This will typically involve modifying your project's dependency management file (e.g., `package.json` for Node.js, `pom.xml` for Java, `requirements.txt` for Python).

Example for Node.js (package.json):
"dependencies": {
  "mongodb": "^4.1.0" 
}

Run:
npm install
# or
yarn install

4

Rebuild and restart your application to use the updated driver.

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2. Check API Version in Connection String medium

Verify if a specific API version is being enforced in your connection string and align it with the server's capabilities.

1

Locate the connection string used by your application to connect to MongoDB.

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2

Examine the connection string for any parameters related to API versioning. For example, some drivers might have options like `apiVersion`. If you find such a parameter, check its value.

Example connection string snippet:
mongodb://localhost:27017/?replicaSet=rs0&authSource=admin&apiVersion=1

3

If an `apiVersion` is specified, ensure it's a value supported by your MongoDB server version. Consult the MongoDB documentation for the supported API versions for your specific server release.

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4

If the `apiVersion` is explicitly set to a version not supported by your server, either remove the parameter to let the driver use the default or set it to a compatible version.

Example (removing apiVersion):
mongodb://localhost:27017/?replicaSet=rs0&authSource=admin

5

Restart your application after modifying the connection string.

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3. Upgrade MongoDB Server and Drivers advanced

Address potential mismatches by upgrading both your MongoDB server and application drivers to recent, compatible versions.

1

Plan for a MongoDB server upgrade. This is a significant undertaking and requires careful consideration of downtime, backups, and compatibility with other components of your infrastructure.

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2

Perform a full backup of your MongoDB data before proceeding with any upgrade.

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3

Follow the official MongoDB documentation for upgrading your specific MongoDB server version. This usually involves stopping the current server, installing the new version, and starting it.

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4

After successfully upgrading the MongoDB server, identify the latest stable MongoDB driver versions compatible with your new server version.

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5

Update all applications that connect to this MongoDB instance to use the latest compatible driver versions. This follows the steps outlined in 'Align MongoDB Driver and Server Versions'.

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6

Thoroughly test all applications after the upgrade to ensure full functionality and absence of API versioning issues.

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Related Errors

5 related errors

MongoDB Error 322: API Version Mismatch