Missing path field for nested aggregation ” + aggregationName + ” – How to solve this Elasticsearch error

Average Read Time

2 Mins

Missing path field for nested aggregation ” + aggregationName + ” – 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 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. To understand the issues related to this log, read the explanation below about the following 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 to analyze Elasticsearch configuration and help resolve this error.

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);
 }

 

Watch a demo of the Check-Up:

Analyze your cluster