NiFi Ingest 26.3
NiFi Ingest

# FilterBadContent

A processor to discard FlowFiles with unacceptable document content. You can use this processor to discard FlowFiles where the document content is not suitable for indexing.

The processor filters documents based on:

- The percentage of binary content.
- The percentage of symbolic content. Symbolic characters are defined as any character between U+2000 and U+2FFF.
- The average word length.

## Properties

Name | Default Value | Description
--- | --- | ---
IDOL License Service |  | An IdolLicenseServiceImpl that provides a way to communicate with a Knowledge Discovery License Server.
Maximum Binary Content Percentage | 10 | The maximum percentage of the content that can be binary.
Maximum Symbolic Content Percentage | 10 | The maximum percentage of the content that can be symbolic.
Minimum Average Word Length | 3 | The minimum number of characters that is acceptable for the average word length.
Maximum Average Word Length | 9 | The maximum number of characters that is acceptable for the average word length.
Average Word Length content segment size (chars) | 1000 | The number of characters in the document content to use for checking the average word length.

## Relationships

Name | Description
--- | ---
good | FlowFiles for which the document content is considered acceptable, based on the properties that you set.
bad | FlowFiles for which the document content is not acceptable, based on the properties that you set.
failure | FlowFiles that had an invalid or unknown format.

Copyright 2018-2026 Open Text
Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery NiFi Ingest 26.3

Topic Title: FilterBadContent