The field ” + name + ” cannot have index = false – 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 ” The field ” + name + ” cannot have index = false ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and plugin.

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 “The field [” + name + “] cannot have index = false”classname  is WildcardFieldMapper.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} 
 @Override
 public Builder index(boolean index) {
 if (index == false) {
 throw new MapperParsingException("The field [" + name + "] cannot have index = false");
 }
 return this;
 } 
 public Builder nullValue(String nullValue) {

 

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