Error
Error Code:
1438
MariaDB Error 1438: Cannot Drop Default Keycache
Description
Error 1438 signifies an attempt to remove or modify MariaDB's default key cache, a critical, system-managed component primarily used by MyISAM tables. This operation is disallowed because the default key cache is fundamental to the database's internal operations and cannot be explicitly dropped by users.
Error Message
Cannot drop default keycache
Known Causes
3 known causesDirect Attempt to Drop Default Keycache
This error most commonly occurs when a user explicitly executes a `DROP KEYCACHE default` statement, which is an invalid operation for the system's primary key cache.
Misunderstanding Keycache Management
Users might attempt to manage the default key cache as if it were a user-defined key cache, leading to invalid drop operations.
Automated Script or Tool Execution
An automated script, migration tool, or administrative utility might inadvertently try to drop the default key cache, triggering this error.
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