Already exists as alias – How to solve this Elasticsearch error

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Already exists as alias – 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 Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” already exists as alias ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, alias and cluster.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “already exists as alias”classname  is MetadataCreateIndexService.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 if (state.metadata().hasIndex(index)) {
 throw new ResourceAlreadyExistsException(state.metadata().index(index).getIndex());
 }
 if (state.metadata().hasAlias(index)) {
 throw new InvalidIndexNameException(index; "already exists as alias");
 }
 } 
 /**
 * Validates (if this index has a dot-prefixed name) whether it follows the rules for dot-prefixed indices.

 

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