Missing paramName in context mapping – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to find a specified parameter in the context mapping. This could be due to a typo in the parameter name, or the parameter might not have been defined in the mapping. To resolve this issue, you can check the parameter name for typos or ensure that the parameter is correctly defined in the mapping. If the parameter is not needed, consider removing it from the query. Alternatively, you may need to reindex your data with the correct mapping if the parameter is indeed missing.

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: mapping, search.

Log Context

Log “missing [” + paramName + “] in context mapping” class name 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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