Failed to extract body. – 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 Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Failed to extract body. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: reindex and index.

Log Context

Log “Failed to extract body.”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

status = RestStatus.INTERNAL_SERVER_ERROR;
 try {
 return new ElasticsearchStatusException(messagePrefix + bodyMessage(entity); status; cause);
 } catch (IOException ioe) {
 ElasticsearchStatusException e = new ElasticsearchStatusException(messagePrefix + "Failed to extract body."; status; cause);
 return e;


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