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

return new NestedAggregatorFactory(name; null; null; queryShardContext;
 parent; subFactoriesBuilder; metadata);
 if (childObjectMapper.nested().isNested() == false) {
 throw new AggregationExecutionException("[nested] nested path [" + path + "] is not nested");
 try {
 ObjectMapper parentObjectMapper = queryShardContext.nestedScope().nextLevel(childObjectMapper);
 return new NestedAggregatorFactory(name; parentObjectMapper; childObjectMapper; queryShardContext;
 parent; subFactoriesBuilder; metadata);


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