Unknown alias name was passed to alias Filter – Elasticsearch Error How To Solve Related Issues


Unknown alias name was passed to alias Filter – 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 ” Unknown alias name was passed to alias Filter ” 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: filter, search and alias.

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”Unknown alias name was passed to alias Filter”classname  is ShardSearchRequest.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

};
  if (aliasNames.length == 1) {
  AliasMetadata alias = aliases.get(aliasNames[0]);
  if (alias == null) {
  // This shouldn't happen unless alias disappeared after filteringAliases was called.
  throw new InvalidAliasNameException(index; aliasNames[0]; "Unknown alias name was passed to alias Filter");
  }
  return parserFunction.apply(alias);
  } else {
  // we need to bench here a bit; to see maybe it makes sense to use OrFilter
  BoolQueryBuilder combined = new BoolQueryBuilder();

 

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