Duplicate alias – Elasticsearch Error How To Solve Related Issues



Duplicate alias – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch 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 causing many errors 

 

This guide will help you check for common problems that cause the log “Duplicate 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: parser, alias, plugin.


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 discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”Duplicate alias {}”classname  is LogicalPlanBuilder.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// unwrap query (and validate while at it)
  Map cteRelations = new LinkedHashMap(namedQueries.size());
  for (SubQueryAlias namedQuery : namedQueries) {
  if (cteRelations.put(namedQuery.alias(); namedQuery) != null) {
  throw new ParsingException(namedQuery.source(); "Duplicate alias {}"; namedQuery.alias());
  }
  }
 
  // return WITH
  return new With(source(ctx); body; cteRelations);

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Duplicate results with alias and multiple(?) indices – Elasticsearch …  

Duplicate results with alias and multiple(?) indices – Elasticsearch …  



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