Error
Error Code:
3151
MySQL Error 3151: JSON Key Name Too Long
Description
This error indicates that a key name within a JSON object being processed by MySQL exceeds the maximum allowed length. It typically occurs when inserting, updating, or querying JSON data where a key's string representation is too long for MySQL's internal limits.
Error Message
The JSON object contains a key name that is too long.
Known Causes
3 known causesExceeding Key Length Limit
MySQL has an internal maximum length for JSON object key names. This error occurs when a key name in your JSON data surpasses this limit.
Malformed JSON Generation
JSON data generated by an application or script might inadvertently create excessively long key names due to incorrect serialization or dynamic key creation logic.
Data Import Issues
When importing JSON data from external sources, or copying content, it's possible to introduce keys that are much longer than expected or valid for MySQL.
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