Unexpected death of autodetect: – 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 ” Unexpected death of autodetect: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] Unexpected death of autodetect: {}”classname  is JobModelSnapshotUpgrader.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private void checkProcessIsAlive() {
 if (process.isProcessAlive() == false) {
 // Don't log here - it just causes double logging when the exception gets logged
 throw new ElasticsearchException("[{}] Unexpected death of autodetect: {}"; job.getId(); process.readError());
 private void checkResultsProcessorIsAlive() {
 if (processor.isFailed()) {


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