› › ›

Fail processor

Raises an exception. This is useful for when you expect a pipeline to fail and want to relay a specific message to the requester.

Table 17. Fail Options

Name	Required	Default	Description
`message`	yes	-	The error message thrown by the processor. Supports template snippets.
`description`	no	-	Description of the processor. Useful for describing the purpose of the processor or its configuration.
`if`	no	-	Conditionally execute the processor. See Conditionally run a processor.
`ignore_failure`	no	`false`	Ignore failures for the processor. See Handling pipeline failures.
`on_failure`	no	-	Handle failures for the processor. See Handling pipeline failures.
`tag`	no	-	Identifier for the processor. Useful for debugging and metrics.

{
  "fail": {
    "if" : "ctx.tags.contains('production') != true",
    "message": "The production tag is not present, found tags: {{{tags}}}"
  }
}

© 2023-2025 Elasticsearch
As of September 2024, Elasticsearch is available under a choice of three licenses: the Server Side Public License (SSPL), the Elastic License, or the AGPLv3 (OSI approved).
Elasticsearch and the Elasticsearch logo are trademarks of Elasticsearch B.V., registered in the U.S. and in other countries.
https://www.elastic.co/guide/en/elasticsearch/reference/7.17/fail-processor.html