Alias ” + aliasName + ” doesn’t exist – 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 ” alias ” + aliasName + ” doesn’t exist ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, metadata, alias.

Log Context

Log “alias [” + aliasName + “] doesn’t exist”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

(DataStreamMetadata) this.customs.get(DataStreamMetadata.TYPE)
 ).map(dsmd -> new HashMap<>(dsmd.getDataStreamAliases())).orElse(new HashMap<>()); 
 DataStreamAlias existing = dataStreamAliases.get(aliasName);
 if (mustExist && existing == null) {
 throw new ResourceNotFoundException("alias [" + aliasName + "] doesn't exist");
 } else if (existing == null) {
 return false;
 DataStreamAlias copy = existing.removeDataStream(dataStreamName);
 if (copy == existing) {


Watch product tour

Try AutoOps to find & fix Elasticsearch problems

Analyze Your Cluster
Skip to content