Setting settingKey expects a claim with String or a String Array value – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.9-8.6

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Briefly, this error occurs when Elasticsearch expects a specific setting to be either a string or a string array, but it receives a different data type. This could be due to incorrect data input or a configuration error. To resolve this issue, you should first check the data type of the value you’re trying to input. Ensure it matches with what Elasticsearch expects – either a single string or an array of strings. If the data type is correct, check your configuration settings to ensure they are properly set up.

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This guide will help you check for common problems that cause the log ” Setting [ ” + settingKey + ” expects a claim with String or a String Array value ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Setting [ ” + settingKey + ” expects a claim with String or a String Array value” class name is ClaimParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 values = List.of((String) claimValueObject);
 } else if (claimValueObject instanceof Collection
 && ((Collection) claimValueObject).stream().allMatch(c -> c instanceof String)) {
 values = (Collection) claimValueObject;
 } else {
 throw new SettingsException("Setting [ " + settingKey + " expects a claim with String or a String Array value");
 }
 return values;
 }  public static ClaimParser forSetting(Logger logger; ClaimSetting setting; RealmConfig realmConfig; boolean required) {

 

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