Error
Error Code:
1816
MySQL Error 1816: Import Tablespace Operation Failed
Description
MySQL Error 1816 indicates that an `ALTER TABLE ... IMPORT TABLESPACE` operation has failed. This error typically occurs when attempting to bring an external InnoDB tablespace (an .ibd file) into a MySQL instance, preventing the table from being properly recreated or updated.
Error Message
ALTER TABLE [table_name] IMPORT TABLESPACE failed with error [error_code] : '[detailed_error_message]'
Known Causes
4 known causesIncompatible Table Schema
The schema of the table in the target MySQL instance does not match the schema embedded within the .ibd file being imported.
Permissions Issues
The MySQL server process lacks the necessary file system permissions to read the .ibd file or write to its target data directory.
Corrupted or Invalid .ibd File
The .ibd file intended for import is corrupted, incomplete, or not a valid InnoDB tablespace file.
Missing or Mismatched .cfg File
For transportable tablespaces, the associated .cfg metadata file is either missing or does not correspond correctly to the .ibd file.
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