Missing required field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch is expecting a specific field in the request body, but it’s not provided. This could be due to incorrect or incomplete data input. To resolve this, ensure that all required fields are included in your request. Check your data input against the Elasticsearch documentation for the specific operation you’re trying to perform. Also, validate your data to ensure it’s in the correct format before sending the request. If the field is optional and not needed, you can adjust your Elasticsearch settings to ignore missing fields.

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This guide will help you check for common problems that cause the log ” Missing required field [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: aggregations, search.

Log Context

Log “Missing required field [” class name is DerivativePipelineAggregationBuilder.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 "Unexpected token " + token + " in [" + pipelineAggregatorName + "].");
 }  if (bucketsPaths == null) {
 throw new ParsingException(parser.getTokenLocation(); "Missing required field [" + BUCKETS_PATH_FIELD.getPreferredName()
 + "] for derivative aggregation [" + pipelineAggregatorName + "]");
 }  DerivativePipelineAggregationBuilder factory =
 new DerivativePipelineAggregationBuilder(pipelineAggregatorName; bucketsPaths[0]);


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