Expected map for property fields on field ” + fieldName + ” but got a – Elasticsearch Error How To Solve Related Issues

Expected map for property fields on field ” + fieldName + ” but got a – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

This guide will help you check for common problems that cause the error message”Expected map for property fields on field ” + fieldName + ” but got a”. To understand what might cause it to appear, read bellow frequent issues related to the Elasticsearch concepts: index.

Advanced users might want to skip right to trying out the Elasticsearch Error Check-Up, which analyses ES to discover the cause of many errors to provide actionable recommendations (JSON based, no fee and just 2 minutes to complete).

Log Context

Log”Expected map for property [fields] on field [” + fieldName + “] but got a”classname  is ObjectMapper.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

DocumentMapperParser.checkNoRemainingFields(fieldName; propNode; parserContext.indexVersionCreated());
  iterator.remove();
  } else if (isEmptyList) {
  iterator.remove();
  } else {
  throw new MapperParsingException("Expected map for property [fields] on field [" + fieldName + "] but got a "
  + fieldName.getClass());
  }
  }
 
  DocumentMapperParser.checkNoRemainingFields(propsNode; parserContext.indexVersionCreated();

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 How to solve MapperParsingException: object mapping for [test] tried to parse as object, but got EOF -views 45,152 ,score 26

Mapping Exception when indexing in Elasticsearch -views   6,571,score 2

 

 

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