Failed to parse percentage significance heuristic. expected an empty object; – How to solve this Elasticsearch error

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Failed to parse percentage significance heuristic. expected an empty object; – 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 Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” failed to parse percentage significance heuristic. expected an empty object; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search and aggregations.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “failed to parse [percentage] significance heuristic. expected an empty object;”classname  is PercentageScore.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

public static SignificanceHeuristic parse(XContentParser parser)
 throws IOException; QueryShardException {
 // move to the closing bracket
 if (!parser.nextToken().equals(XContentParser.Token.END_OBJECT)) {
 throw new ElasticsearchParseException("failed to parse [percentage] significance heuristic. expected an empty object; " +
 "but got [{}] instead"; parser.currentToken());
 }
 return new PercentageScore();
 }

 

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