Missing ” + paramName + ” in 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 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 ” missing ” + paramName + ” in context mapping ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search and mapping.

Log Context

Log “missing [” + paramName + “] in context mapping”classname  is ContextMappings.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private static String extractRequiredValue(Map contextConfig; String paramName) {
 final Object paramValue = contextConfig.get(paramName);
 if (paramValue == null) {
 throw new ElasticsearchParseException("missing [" + paramName + "] in context mapping");
 return paramValue.toString();


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