Error
Error Code:
1012
MySQL Error 1012: Failed to Read System Record
Description
MySQL Error 1012, 'Can't read record in system table', indicates that the database server encountered an issue while attempting to access or retrieve data from one of its internal system tables. This typically occurs when MySQL's critical metadata, which defines users, permissions, and database structures, becomes inaccessible or corrupted.
Error Message
Can't read record in system table
Known Causes
3 known causesSystem Table Corruption
The underlying system table files might be corrupted due to unexpected shutdowns, hardware failures, or disk issues, making records unreadable.
Incorrect File Permissions
The MySQL server process lacks the necessary read permissions for the directories or files where the system tables are stored.
Underlying Disk Problems
Bad sectors, disk full conditions, or other storage-related issues can prevent MySQL from reading its system files.
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