Timed out getting mappings – 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 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 ” Timed out getting mappings ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, indices, rest.

Log Context

Log “Timed out getting mappings”classname  is RestGetMappingAction.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public XContentBuilder toXContent(XContentBuilder builder; Params params) throws IOException {
 if (relativeTimeSupplierMillis.getAsLong() - startTimeMs > timeout.millis()) {
 throw new ElasticsearchTimeoutException("Timed out getting mappings");
 response.toXContent(builder; params);


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