Failed to build ToXContent – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Failed to build ToXContent ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: client, plugin.


Log Context

Log “Failed to build ToXContent”classname  is WatchSourceBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

public final BytesReference buildAsBytes(XContentType contentType) {
 try {
 WatcherParams params = WatcherParams.builder().hideSecrets(false).build();
 return XContentHelper.toXContent(this; contentType; params; false);
 } catch (Exception e) {
 throw new ElasticsearchException("Failed to build ToXContent"; e);
 }
 } 
 static class TransformedAction implements ToXContentObject {

 

See how you can use AutoOps to resolve issues


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