Failed to parse record – 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 is unable to understand the structure or format of the data it’s trying to index. This could be due to incorrect data types, missing fields, or malformed JSON. To resolve this issue, you can: 1) Check the data you’re trying to index for any inconsistencies or errors. 2) Validate your JSON structure. 3) Ensure that the data types in your mapping match the data you’re indexing. 4) If a field is missing in the data, either add it or adjust your mapping to not require it.

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This guide will help you check for common problems that cause the log ” failed to parse record ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to parse record” class name is BatchedRecordsIterator.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 .createParser(NamedXContentRegistry.EMPTY; LoggingDeprecationHandler.INSTANCE; stream)
 ) {
 AnomalyRecord record = AnomalyRecord.LENIENT_PARSER.apply(parser; null);
 return new Result<>(hit.getIndex(); record);
 } catch (IOException e) {
 throw new ElasticsearchParseException("failed to parse record"; e);
 }
 }
}

 

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