Failed to parse action missing required field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch is unable to parse a specific action due to a missing required field. This could be due to incorrect or incomplete data input. To resolve this issue, you should first identify the missing field indicated in the error message. Then, ensure that this field is included in your request and that it contains valid data. If the problem persists, check your data mapping to ensure it aligns with the data you’re trying to index.

This guide will help you check for common problems that cause the log ” failed to parse [{}] action [{}/{}]. missing required [{}] field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to parse [{}] action [{}/{}]. missing required [{}] field” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 actionId; token);
 }  if (message == null) {
 throw new ElasticsearchParseException("failed to parse [{}] action [{}/{}]. missing required [{}] field"; TYPE; watchId;
 actionId; Field.MESSAGE.getPreferredName());
 }  return new SlackAction(account; message; proxy);


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