Missing path field for nested aggregation ” + aggregationName + ” – Elasticsearch Error How To Solve Related Issues

Missing path field for nested aggregation ” + aggregationName + ” – Elasticsearch Error How To Solve Related Issues

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 path field for nested aggregation ” + aggregationName + ” ” 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 [path] field for nested aggregation [” + aggregationName + “]”classname  is NestedAggregationBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
  }
 
  if (path == null) {
  // "field" doesn't exist; so we fall back to the context of the ancestors
  throw new ParsingException(parser.getTokenLocation(); "Missing [path] field for nested aggregation [" + aggregationName + "]");
  }
 
  return new NestedAggregationBuilder(aggregationName; path);
  }

 

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