Fuzziness wrongly configured . Must be 0 < lower value <= higher value. - 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 ” fuzziness wrongly configured . Must be 0 < lower value <= higher value. " to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Node.

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 “fuzziness wrongly configured [{}]. Must be 0 < lower value <= higher value."classname  is Fuzziness.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (fuzzinessLimit.length == 2) {
 try {
 int lowerLimit = Integer.parseInt(fuzzinessLimit[0]);
 int highLimit = Integer.parseInt(fuzzinessLimit[1]);
 if (lowerLimit < 0 || highLimit < 0 || lowerLimit > highLimit) {
 throw new ElasticsearchParseException("fuzziness wrongly configured [{}]. Must be 0 < lower value <= higher value.";
 fuzzinessString);
 }
 Fuzziness fuzziness = new Fuzziness("AUTO");
 fuzziness.lowDistance = lowerLimit;
 fuzziness.highDistance = highLimit;

 

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