An index exists with the same name as the alias – Elasticsearch Error How To Solve Related Issues


An index exists with the same name as the alias – Elasticsearch Error How To Solve Related Issues

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 can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” an index exists with the same name as the alias ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: metadata, alias, cluster and index.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”an index exists with the same name as the alias”classname  is AliasValidator.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

throw new IllegalArgumentException("index name is required");
  }
 
  IndexMetadata indexNamedSameAsAlias = indexLookup.apply(alias);
  if (indexNamedSameAsAlias != null) {
  throw new InvalidAliasNameException(indexNamedSameAsAlias.getIndex(); alias; "an index exists with the same name as the alias");
  }
  }
 
  void validateAliasStandalone(String alias; String indexRouting) {
  if (!Strings.hasText(alias)) {

 

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