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

Updated: July-20

Elasticsearch 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 causing 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, 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 discover the cause of many errors and provides suitable actionable recommendations (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);
  }

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 How to get an Elasticsearch aggregation with multiple fields -views 33,822 ,score 38

Elasticsearch aggregation doesn't work with nested-type fields -views   7,847,score 6



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