Invalid weekly day value. expected a string or a number value; but found ” + token + ” – 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 ” invalid weekly day value. expected a string or a number value; but found ” + token + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

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 “invalid weekly day value. expected a string or a number value; but found [” + token + “]”classname  is WeekTimes.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

return DayOfWeek.resolve(parser.text());
 }
 if (token == XContentParser.Token.VALUE_NUMBER) {
 return DayOfWeek.resolve(parser.intValue());
 }
 throw new ElasticsearchParseException("invalid weekly day value. expected a string or a number value; but found [" + token + "]");
 } 
 public static class Builder { 
 private final Set days = new HashSet<>();

 

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