Expected a list or an entry of context mapping – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch expects a list or an entry of context mapping but doesn’t find it. This usually happens when there’s a mismatch between the data structure being indexed and the mapping defined in Elasticsearch. To resolve this, ensure that the data structure being indexed matches the mapping defined in Elasticsearch. Alternatively, you can update the mapping to match the data structure. Also, check for any syntax errors in your mapping definition.

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This guide will help you check for common problems that cause the log ” expected a list or an entry of 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 “expected a list or an entry of context mapping” class name is ContextMappings.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 throw new ElasticsearchParseException("expected at least one context mapping");
 }
 } else if (configuration instanceof Map) {
 contextMappings = Collections.singletonList(load(((Map) configuration)));
 } else {
 throw new ElasticsearchParseException("expected a list or an entry of context mapping");
 }
 return new ContextMappings(contextMappings);
 }  private static ContextMapping load(Map contextConfig) {

 

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