Exceptions for field permissions must be a subset of the – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when the permissions set for a specific field in Elasticsearch are not a subset of the overall permissions. This means that the field permissions are trying to access more than what is allowed. To resolve this issue, you can either reduce the field permissions to match the overall permissions or increase the overall permissions to include the field permissions. Also, ensure that the permissions are correctly set in the first place, as a misconfiguration could lead to this error.

This guide will help you check for common problems that cause the log ” Exceptions for field permissions must be a subset of the ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Exceptions for field permissions must be a subset of the” class name is FieldPermissions.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 grantedFieldsAutomaton = MinimizationOperations.minimize(grantedFieldsAutomaton; Operations.DEFAULT_MAX_DETERMINIZED_STATES);
 deniedFieldsAutomaton = MinimizationOperations.minimize(deniedFieldsAutomaton; Operations.DEFAULT_MAX_DETERMINIZED_STATES);  if (subsetOf(deniedFieldsAutomaton; grantedFieldsAutomaton) == false) {
 throw new ElasticsearchSecurityException("Exceptions for field permissions must be a subset of the " +
 "granted fields but " + Strings.arrayToCommaDelimitedString(deniedFields) + " is not a subset of " +
 }  grantedFieldsAutomaton = Automatons.minusAndMinimize(grantedFieldsAutomaton; deniedFieldsAutomaton);


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