JSON Schema Validator

Validates JSON values based on the specified schema v3 or v4.

When the value do not satisfy the constraints of the schema, the node will fail with the error message and the row number or collect the errors in a new column.

It uses the fge/json-schema-validator implementation.

Options

JSON column: The JSON column to validate
Schema: The JSON schema used for validation
Fail on invalid JSON value: If checked, execution will stop on first value that violates the specified schema.
Error message column: Name of the column for the collected error messages (when there were no error, missing value is returned)

Input Ports

: A table with JSON column to validate

Output Ports

: The table with the error messages column

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Installation

To use this node in KNIME, install the extension KNIME JSON-Processing from the below update site following our NodePit Product and Node Installation Guide:

v5.4

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.4.0.v202411251149

On NodePit since: 2024-12-06

Last update: 2024-12-17

KNIME versions: Since v3.6

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