Object mapping for ” + mapper.name() + ” with array for – 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 ” object mapping for ” + mapper.name() + ” with array for ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: mapping and index.


Log Context

Log “object mapping for [” + mapper.name() + “] with array for [“classname  is DocumentParser.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else if (token == XContentParser.Token.START_ARRAY) {
 parseArray(context; mapper; lastFieldName; paths);
 } else if (token == XContentParser.Token.VALUE_NULL) {
 parseNullValue(context; mapper; lastFieldName; paths);
 } else if (token == null) {
 throw new MapperParsingException("object mapping for [" + mapper.name() + "] with array for [" + arrayFieldName
 + "] tried to parse as array; but got EOF; is there a mismatch in types for the same field?");
 } else {
 assert token.isValue();
 parseValue(context; mapper; lastFieldName; token; paths);
 }

 

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