Error
Error Code:
1259
MySQL Error 1259: ZLIB Data Corruption
Description
This MySQL error indicates that the database server encountered compressed data that is malformed or corrupted and cannot be decompressed by the ZLIB library. It commonly occurs during replication, backup restoration, or when compressed network protocols are in use, preventing the intended operation from completing.
Error Message
ZLIB: Input data corrupted
Known Causes
4 known causesCorrupt Binary Logs
During replication, a replica server may encounter binary log events that were compressed and have since become corrupted.
Damaged Compressed Backups
Attempting to restore a database from a backup file that was compressed and has suffered data corruption.
Network Data Integrity Issues
If `mysql_compress_protocol` is enabled, data transmitted over the network might get corrupted before reaching the server.
Underlying Storage Corruption
Issues with the filesystem or storage hardware could lead to corruption of any compressed files MySQL attempts to process.
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