Malformed content; after first object; either the type field – Elasticsearch Error How To Solve Related Issues



Malformed content; after first object; either the type field – 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 “Malformed content; after first object; either the type field” 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”Malformed content; after first object; either the type field”classname  is DocumentParser.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

final XContentParser.Token token = parser.nextToken();
  if (token == XContentParser.Token.END_OBJECT) {
  // empty doc; we can handle it...
  return true;
  } else if (token != XContentParser.Token.FIELD_NAME) {
  throw new MapperParsingException("Malformed content; after first object; either the type field"
  + " or the actual properties should exist");
  }
  }
  return false;
  }

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 Displaying better error message than "No JSON object could be decoded" -views 274,805 ,score 128

GSON – JsonSyntaxException – Expected name at line 7 column 4 -views   41,803,score 13



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