Failed to convert source to a json string – How to solve this Elasticsearch error

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Failed to convert source to a json string – 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 convert source to a json string ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: source and search.

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 convert source to a json string”classname  is SearchHit.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

return null;
 }
 try {
 return XContentHelper.convertToJson(getSourceRef(); false);
 } catch (IOException e) {
 throw new ElasticsearchParseException("failed to convert source to a json string");
 }
 } 
 /**

 

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