Field must be either or – How to solve this OpenSearch exception

Opster Team

Aug-23, Version: 1-2.3

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Briefly, this error occurs when OpenSearch encounters a field that doesn’t meet the expected criteria or format. It’s likely that the field is either missing, incorrectly formatted, or the wrong data type. To resolve this issue, you should first verify the field’s existence in your data source. If it exists, check the field’s format and data type to ensure they match what OpenSearch expects. If the error persists, consider reindexing your data or adjusting your OpenSearch schema to accommodate the problematic field.

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This guide will help you check for common problems that cause the log ” field must be either [{}]; [{}] or [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .

Log Context

Log “field must be either [{}]; [{}] or [{}]” class name is We extracted the following from OpenSearch source code for those seeking an in-depth context :

 geohash = subParser.text();
 } else {
 throw new OpenSearchParseException("geohash must be a string");
 } else {
 throw new OpenSearchParseException("field must be either [{}]; [{}] or [{}]"; LATITUDE; LONGITUDE; GEOHASH);
 } else {
 throw new OpenSearchParseException("token [{}] not allowed"; subParser.currentToken());


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