Failed to create temporary index for parsing the alias – 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 ” Failed to create temporary index for parsing the alias ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, metadata, index, alias.

Log Context

Log “Failed to create temporary index for parsing the alias”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// temporarily create the index and add mappings so we can parse the filter
 try {
 indexService = indicesService.createIndex(index; emptyList(); false);
 } catch (IOException e) {
 throw new ElasticsearchException("Failed to create temporary index for parsing the alias"; e);
 indexService.mapperService().merge(index; MapperService.MergeReason.MAPPING_RECOVERY);
 indices.put(action.getIndex(); indexService);


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