Error
Error Code:
1857
MySQL Error 1857: Fulltext Index Lock Required
Description
This error occurs when MySQL attempts to create a full-text index but cannot acquire the necessary table lock. This typically happens during ALTER TABLE operations on tables that are actively being accessed or modified by other processes, preventing exclusive access for the index creation.
Error Message
Fulltext index creation requires a lock
Known Causes
3 known causesConcurrent DML Operations 💻
Other transactions are actively inserting, updating, or deleting data in the target table, preventing MySQL from acquiring an exclusive lock for the full-text index creation.
Long-Running Queries ⚙
Existing long-running SELECT queries or other operations on the table might be holding shared locks, blocking the exclusive lock needed for full-text index creation.
Uncommitted Transactions 🔒
Uncommitted transactions from other database sessions are holding locks on the table, preventing the ALTER TABLE statement from proceeding.
Solutions
Coming SoonGeneral 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