Unknown Similarity type ” + value + ” for field ” + name + ” – Elasticsearch Error How To Solve Related Issues



Unknown Similarity type ” + value + ” for field ” + name + ” – 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 “Unknown Similarity type ” + value + ” for field ” + name + “” 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: 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 discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”Unknown Similarity type [” + value + “] for field [” + name + “]”classname  is TypeParsers.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 
  public static SimilarityProvider resolveSimilarity(Mapper.TypeParser.ParserContext parserContext; String name; String value) {
  SimilarityProvider similarityProvider = parserContext.getSimilarity(value);
  if (similarityProvider == null) {
  throw new MapperParsingException("Unknown Similarity type [" + value + "] for field [" + name + "]");
  }
  return similarityProvider;
  }
 }

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 ElasticSearch :: Exception while ceating index and document -views 4,152 ,score 4

How can I do this in painless script Elasticsearch 5.3 -views   2,728,score 2



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