Failed to parse indices privileges for role expected field value – 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 fails to parse the indices privileges for a specific role due to an unexpected field value. This could be due to incorrect syntax or a missing value in the role definition. To resolve this issue, you should review the role definition and ensure that all fields are correctly defined and all required values are provided. If the error persists, you may need to recreate the role with the correct privileges or consult the Elasticsearch documentation for further guidance.

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

Log Context

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

 }  private static RoleDescriptor.IndicesPrivileges[] parseIndices(String roleName; XContentParser parser;
 boolean allow2xFormat) throws IOException {
 if (parser.currentToken() != XContentParser.Token.START_ARRAY) {
 throw new ElasticsearchParseException("failed to parse indices privileges for role [{}]. expected field [{}] value " +
 "to be an array; but found [{}] instead"; roleName; parser.currentName(); parser.currentToken());
 List privileges = new ArrayList<>();
 while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
 privileges.add(parseIndex(roleName; parser; allow2xFormat));


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