Field name ” + multiFieldName + ” which is a multi field of ” + name + ” cannot – Elasticsearch Error How To Solve Related Issues



Field name ” + multiFieldName + ” which is a multi field of ” + name + ” cannot – 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 “Field name ” + multiFieldName + ” which is a multi field of ” + name + ” cannot” 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”Field name [” + multiFieldName + “] which is a multi field of [” + name + “] cannot”classname  is TypeParsers.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 
  for (Map.Entry multiFieldEntry : multiFieldsPropNodes.entrySet()) {
  String multiFieldName = multiFieldEntry.getKey();
  if (multiFieldName.contains(".")) {
  throw new MapperParsingException("Field name [" + multiFieldName + "] which is a multi field of [" + name + "] cannot" +
  " contain '.'");
  }
  if (!(multiFieldEntry.getValue() instanceof Map)) {
  throw new MapperParsingException("illegal field [" + multiFieldName + "]; only fields can be specified inside fields");
  }

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 Search on multiple fields with Elasticsearch -views 52,347 ,score 30

elasticsearch group-by multiple fields -views   31,174,score 13



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