Error
Error Code:
3966
MySQL Error 3966: JSON Path Value Not Found
Description
Error 3966 occurs when MySQL attempts to locate a value within a JSON document using a specified JSON path expression, but no such value is found at that path. This typically indicates that the path is incorrect, the element doesn't exist, or the JSON structure differs from expectations.
Error Message
No value was found by '%s' on the specified path.
Known Causes
3 known causesInvalid JSON Path Syntax
The JSON path expression provided in the query contains syntax errors, making it unparseable by MySQL.
Missing JSON Element
The specified JSON path is valid, but the target key, array index, or element does not exist within the JSON document.
Unexpected JSON Structure
The actual structure of the JSON document does not match the layout anticipated by the JSON path, leading to no value being found.
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