Failed to parse request – 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.

Take a self-guided product tour to see for yourself (no registration required).

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

Log Context

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

);
 try {
 XContentBuilder xContentBuilder = XContentBuilder.builder(result.v1().xContent()).map(transformedSource);
 filteredBytes = BytesReference.bytes(xContentBuilder);
 } catch (IOException e) {
 throw new ElasticsearchException("failed to parse request"; e);
 }
 }
 return filteredBytes;
 }
 };

 

Watch product tour

Try AutoOps to find & fix Elasticsearch problems

Analyze Your Cluster
Skip to content