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Briefly, this error occurs when Elasticsearch encounters an unexpected field while parsing a role. This could be due to a typo, incorrect syntax, or a field that doesn’t exist in the role schema. To resolve this issue, you should first verify the role definition for any syntax errors or typos. If the syntax is correct, check the role schema to ensure the field exists. If the field doesn’t exist, you may need to update the role schema or remove the field from the role definition.
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This guide will help you check for common problems that cause the log ” failed to parse role [{}]. 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 role [{}]. unexpected field [{}]” class name is RoleDescriptor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
);
}
} else if (Fields.TYPE.match(currentFieldName; parser.getDeprecationHandler())) {
// don't need it
} else {
throw new ElasticsearchParseException("failed to parse role [{}]. unexpected field [{}]"; name; currentFieldName);
}
}
return new RoleDescriptor(
name;
clusterPrivileges;
