PostgreSQL Error 22002: Null Value Parameter Mismatch

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Description

Error 22002, 'null value no indicator parameter', indicates that an application attempted to insert or update a `NULL` value into a database column without correctly signaling the `NULL` state via an indicator parameter. This typically happens when using database APIs that require explicit null handling for bound parameters, leading to a data exception.

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Error Message

null value no indicator parameter

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Known Causes

3 known causes

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Incorrect API Parameter Binding

An application attempted to bind a `NULL` value to a database column without correctly setting the associated `NULL` indicator parameter in the database API call.

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Unspecified NULL in Application Logic

An application variable implicitly holding a `NULL` or uninitialized value was passed to a database operation without explicit `NULL` handling by the application layer.

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Outdated Database Driver

The database driver or connector being used might have a bug or be outdated, leading to incorrect handling of `NULL` indicator parameters.

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Solutions

Coming Soon

Detailed 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

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Related Errors

5 related errors