Expected at least one context mapping – 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 ” expected at least one context mapping ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search and mapping.

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 “expected at least one context mapping”classname  is ContextMappings.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

List configurations = (List) configuration;
 for (Object contextConfig : configurations) {
 contextMappings.add(load((Map) contextConfig; indexVersionCreated));
 }
 if (contextMappings.size() == 0) {
 throw new ElasticsearchParseException("expected at least one context mapping");
 }
 } else if (configuration instanceof Map) {
 contextMappings = Collections.singletonList(load(((Map) configuration); indexVersionCreated));
 } else {
 throw new ElasticsearchParseException("expected a list or an entry of context mapping");

 

Try AutoOps to detect and fix issues in your cluster:

Analyze Your Cluster

Skip to content