Failed to add document – 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.

Briefly, this error suggests that Elasticsearch failed to add a document to an index. Adding documents to an index is a fundamental operation in Elasticsearch, and a failure to add a document can be caused by various factors like incorrect data, network issues, or a lack of storage space. To resolve this error, review the error message and check for possible causes like data validation errors or storage issues. You may also need to optimize the index by tuning its settings or adding more storage.

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.

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This guide will help you check for common problems that cause the log ” failed to add document ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin and document.

Log Context

Log “failed to add document [{}]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (Exception e) {
 if (exception == null) {
 exception = new ExportException("failed to add documents to export bulk [{}]"; name);
 exception.addExportException(new ExportException("failed to add document [{}]"; e; doc; name));
 if (exception != null) {
 throw exception;


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