Error
Error Code:
144
MongoDB Error 144: Catalog Manager Mismatch
Description
This error indicates that the MongoDB server (mongod) cannot open or process its data files due to an incompatibility with the underlying catalog manager. It typically arises when the data directory was created by a different MongoDB version or storage engine than the one currently being used.
Error Message
Incompatible Catalog Manager
Known Causes
3 known causesStorage Engine Mismatch
The data directory was initialized with a different storage engine (e.g., WiredTiger vs. MMAPv1) than the one configured for the current `mongod` instance.
MongoDB Version Incompatibility
Attempting to start `mongod` with a version that is incompatible with the format of the existing data files, often after an unsuccessful or incomplete upgrade or downgrade.
Corrupted Data Files
The data files in the `dbPath` directory have become corrupted, preventing the catalog manager from reading them correctly.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service