The error appears when a GeoJSON member has a geometry type that does not match the type expected by the MySQL spatial function being called.
ER_INVALID_GEOJSON_WRONG_TYPE occurs when a MySQL spatial function receives GeoJSON with a mismatched geometry type. Validate the GeoJSON structure or cast it to the correct type to resolve the error.
ER_INVALID_GEOJSON_WRONG_TYPE
MySQL Error 3071 signals that the server rejected GeoJSON input because one of its members has a geometry type that the target spatial function cannot accept. The function name appears in the placeholder %s, helping you pinpoint where validation failed.
The condition was added in MySQL 5.7.5 to harden GeoJSON validation. Ignoring the error can lead to silent data corruption or inaccurate spatial calculations, so immediate correction is critical.
The primary cause is a mismatch between the GeoJSON geometry type supplied and the type required. For example, ST_PointFromGeoJSON expects a Point but receives a Polygon. MySQL validates the member "type" field and throws Error 3071 when they differ.
Additional triggers include typos in the "type" field, mixed geometry collections with unsupported inner types, and implicit casts when dynamic JSON is built in application code.
First, inspect the failing GeoJSON and confirm the "type" value matches what the spatial function expects. Correct the JSON text or transform it before calling the function.
Second, store spatial data in standardized columns and validate with ST_IsValid and JSON_SCHEMA_VALID before execution. This catches issues early in the pipeline.
Scenario: Using ST_PointFromGeoJSON on a LineString. Solution: Switch to ST_LineStringFromGeoJSON or convert the LineString to a representative Point.
Scenario: Dynamic app builds GeoJSON incorrectly. Solution: Add server-side CHECK constraints that invoke ST_IsValid(geom) to block invalid inserts.
Always validate incoming GeoJSON with ST_IsValid and JSON validation routines before invoking spatial functions. Store only normalized geometry types in dedicated columns.
Leverage Galaxy's AI copilot to review spatial queries and ensure the correct constructor is used for each geometry type, reducing manual mistakes.
Error 3037 ER_INVALID_JSON_TEXT occurs when the GeoJSON itself is malformed. Validate JSON syntax first.
Error 3038 ER_INVALID_JSON_CHARSET targets character-set issues. Ensure the column uses utf8mb4.
The value of the "type" field does not match the function requirement, such as sending Polygon to a point-only function.
Misspelled geometry names like "Piont" or mixed case cause validation to fail.
A collection contains an unsupported inner geometry, triggering the error during parsing.
Dynamic code builds JSON objects incorrectly, leading to implicit type mismatches at runtime.
Raised when the JSON syntax is broken. Fix by ensuring valid JSON formatting.
Occurs when spatial data does not conform to expected format, including CRS issues.
Triggered when geometry exceeds coordinate limits, requiring normalization.
Yes. Error 3071 is available from MySQL 5.7.5 onward. Earlier versions silently accept invalid types.
No. Validation is hard-coded for data integrity. Instead, correct the input or adjust the function.
Galaxy's SQL editor highlights spatial functions and offers AI suggestions, ensuring the geometry constructor matches the provided GeoJSON.
ST_IsValid confirms structural validity but not business logic. Combine it with CHECK constraints for comprehensive protection.
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