Missing required field – How to solve this Elasticsearch error

Missing required field – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Missing required field ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: search and aggregations.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”Missing required field [“classname  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]);


Run the Check-Up to get a customized report like this:

Analyze your cluster