not found – 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 ” not found ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “not found”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 // Check authentication for the user
 final Authentication auth = securityContext.getAuthentication();
 if (ensureAuthenticatedUserIsSame(asyncTask.getOriginHeaders(); auth) == false) {
 throw new ResourceNotFoundException(asyncExecutionId.getEncoded() + " not found");
 return asyncTask;
 private void getEncodedResponse(AsyncExecutionId asyncExecutionId;


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