Failed to parse privileges check unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch encounters an unexpected field while parsing privileges. This could be due to incorrect syntax or a non-existent field in the request. To resolve this issue, you should first verify the syntax of your request. Make sure that all fields are correctly spelled and exist in your Elasticsearch. If the syntax is correct, check the Elasticsearch version you’re using. Some fields may not be available in older versions, so you might need to upgrade. Lastly, ensure that the user has the necessary privileges to perform the requested operation.

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This guide will help you check for common problems that cause the log ” failed to parse privileges check [{}]. unexpected field [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to parse privileges check [{}]. unexpected field [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 clusterPrivileges = readStringArray(description; parser; true);
 } else if (Fields.APPLICATIONS.match(currentFieldName; parser.getDeprecationHandler())
 || Fields.APPLICATION.match(currentFieldName; parser.getDeprecationHandler())) {
 applicationPrivileges = parseApplicationPrivileges(description; parser);
 } else {
 throw new ElasticsearchParseException("failed to parse privileges check [{}]. unexpected field [{}]";
 description; currentFieldName);
 if (indexPrivileges == null && clusterPrivileges == null && applicationPrivileges == null) {
 throw new ElasticsearchParseException("failed to parse privileges check [{}]. All privilege fields [{};{};{}] are missing";


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