Reverse_nested nested path ” + path + ” is not nested – Elasticsearch Error How To Solve Related Issues

Reverse_nested nested path ” + path + ” is not nested – 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 ” reverse_nested nested path ” + path + ” is not nested ” 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”[reverse_nested] nested path [” + path + “] is not nested”classname  is ReverseNestedAggregationBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

parentObjectMapper = queryShardContext.getObjectMapper(path);
  if (parentObjectMapper == null) {
  return new ReverseNestedAggregatorFactory(name; true; null; queryShardContext; parent; subFactoriesBuilder; metadata);
  }
  if (parentObjectMapper.nested().isNested() == false) {
  throw new AggregationExecutionException("[reverse_nested] nested path [" + path + "] is not nested");
  }
  }
 
  NestedScope nestedScope = queryShardContext.nestedScope();
  try {

 

Optimize Elasticsearch Performance

Try The Tool