MySQL throws ER_STD_RUNTIME_ERROR (code 3053) when an uncaught C++ std::runtime_error bubbles out of a user-defined function, plugin, or stored program.
ER_STD_RUNTIME_ERROR 3053 signals that MySQL caught a C++ std::runtime_error inside a UDF, plugin, or stored routine and aborted the statement. Check the error log to identify the failing code, wrap dangerous calls in try-catch, or upgrade the offending plugin to resolve the issue.
ER_STD_RUNTIME_ERROR
MySQL error 3053 with condition ER_STD_RUNTIME_ERROR appears when the server intercepts a C++ std::runtime_error thrown by user code such as a user-defined function, storage engine plugin, or stored program.
The server converts the exception into SQLSTATE HY000 and stops the current statement. Any changes made by that statement are rolled back, protecting data integrity but leaving the client with a generic runtime error.
The most frequent trigger is an uncaught std::runtime_error in C++ extensions compiled against the MySQL plugin API. When the code fails to catch the exception, it propagates to the server core, which raises error 3053.
Invalid input values, memory allocation failures, or logic bugs inside a UDF or full-text parser often surface as std::runtime_error, immediately bubbling up to MySQL.
First, inspect the MySQL error log to locate the exact function and shared library noted in the message. The filename pinpoints the faulty UDF or plugin.
Next, patch or upgrade the offending component. Wrap risky code paths in try-catch blocks that convert exceptions to MySQL diagnostics with my_error(). Recompile the plugin against the running server version.
When a custom geospatial UDF crashes on malformed WKT, add argument validation and catch std::exception before returning NULL to the caller.
If a stored procedure calls a UDF that intermittently throws, isolate the failing rows with LIMIT and WHERE, then correct the data or tighten validations.
Always validate inputs inside UDFs, guard library calls with try-catch, and test plugins under load. Enable the general log and error log rotation to capture early warnings.
Use Galaxy’s AI copilot to review UDF wrapper SQL, ensuring arguments are sanitized and exceptional paths handled. Galaxy’s versioning helps roll back experimental functions safely.
Similar runtime issues include ER_OUT_OF_RESOURCES (5) for memory shortages and ER_SIGNAL_EXCEPTION (1644) for explicit SIGNAL commands. Unlike 3053, these errors originate from SQL, not C++ exceptions.
The UDF relies on a C++ library that throws on invalid input. Without an internal try-catch, MySQL propagates the exception as error 3053.
Binary incompatibility can surface as unexpected runtime exceptions during symbol resolution or execution, resulting in ER_STD_RUNTIME_ERROR.
Allocation failures that raise std::runtime_error trigger the same MySQL response when not handled properly by the extension.
Raised by the SIGNAL SQL statement inside stored programs. Unlike 3053, it is intentional and carries a custom SQLSTATE.
Indicates the server ran out of memory or other resources. May present similar symptoms but stems from server core, not plugins.
Occurs when MySQL cannot load a required plugin at startup. Prevents runtime errors by blocking execution altogether.
No. The server rolls back the current statement, so committed data remains safe. Still, investigate quickly to avoid repeated failures.
You cannot mask it, but you can use TRY...CATCH patterns in client code or control_flow plugins to trap the error and continue.
Only if the root cause is an engine bug. Most cases trace back to third-party code that also must be upgraded or patched.
Galaxy’s query history pinpoints the exact SQL that triggered the error, and its AI copilot suggests safer wrappers or alternative native functions.
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