Error reading values – How to solve this Elasticsearch error

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Error reading values – How to solve this Elasticsearch error

Opster Team

March-22, 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 ” Error reading values ” to appear. To understand the issues related to this log, read the explanation below about the following 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 to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Error reading values”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 protected NumericDocValues getKeys(LeafReaderContext context) {
 try {
 values = valuesSource.bytesValues(context);
 } catch (IOException e) {
 throw new ElasticsearchException("Error reading values"; e);
 return new AbstractNumericDocValues() { 
 private int docID = -1;


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