Error trying to create multifield stats results from stream input – 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 attempts to create multifield_stats results from stream input but encounters an issue. This could be due to incorrect data types, a malformed request, or a problem with the underlying data. To resolve this, you can check the data types of the fields involved, ensure your request is correctly formatted, and verify the integrity of your data. If the error persists, consider reindexing your data or checking your Elasticsearch version for compatibility issues.

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This guide will help you check for common problems that cause the log ” Error trying to create multifield_stats results from stream input ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: aggregations.

Log Context

Log “Error trying to create multifield_stats results from stream input” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 protected MatrixStatsResults(StreamInput in) {
 try {
 results = new RunningStats(in);
 correlation = (Map>) in.readGenericValue();
 } catch (IOException e) {
 throw new ElasticsearchException("Error trying to create multifield_stats results from stream input"; e);
 }  /** Marshalls MatrixStatsResults */


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