Error
Error Code:
3967
MySQL Error 3967: Multiple JSON Values Found on Path
Description
MySQL Error 3967 indicates that a JSON path expression, typically used with functions like JSON_EXTRACT or JSON_VALUE, returned more than one matching value when the context expected a single scalar value. This usually occurs when navigating complex JSON documents where the path is ambiguous or resolves to an array or multiple elements unexpectedly.
Error Message
More than one value was found by '%s' on the specified path.
Known Causes
4 known causesAmbiguous JSON Path Expression
The JSON path expression used is not specific enough and inadvertently matches multiple nodes within the JSON document, rather than a single intended value.
Path Resolves to Array
The specified path unexpectedly points to a JSON array, which inherently contains multiple values, instead of a single scalar value or object.
Incorrect Function Usage
A JSON function expecting a single scalar result is used with a path that returns multiple elements, such as an array or multiple matching objects.
Mismatched Data Structure
The actual structure of the JSON data deviates from the expected structure, causing the path expression to match more elements than anticipated.
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