Failed to parse; document is empty – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” failed to parse; document is empty ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and document.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “failed to parse; document is empty”classname  is DocumentParser.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

return (MapperParsingException) e;
 } 
 // Throw a more meaningful message if the document is empty.
 if (source.source() != null && source.source().length() == 0) {
 return new MapperParsingException("failed to parse; document is empty");
 } 
 return new MapperParsingException("failed to parse"; e);
 }

 

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