Briefly, this error occurs when Elasticsearch fails to parse the indices privileges for a specific role due to incorrect or missing configuration. This could be due to a syntax error, missing brackets, or incorrect indentation in the role definition. To resolve this issue, you should review and correct the role definition in the Elasticsearch security settings. Ensure that the indices privileges are correctly defined and formatted. Also, check for any missing or extra characters that could be causing the parsing error.
This guide will help you check for common problems that cause the log ” failed to parse indices privileges for role [{}]. {} must not ” 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 [{}]. {} must not” class name is RoleDescriptor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
currentFieldName = parser.currentName();
if (Fields.GRANT_FIELDS.match(currentFieldName; parser.getDeprecationHandler())) {
parser.nextToken();
grantedFields = readStringArray(roleName; parser; true);
if (grantedFields == null) {
throw new ElasticsearchParseException("failed to parse indices privileges for role [{}]. {} must not " +
"be null."; roleName; Fields.GRANT_FIELDS);
}
} else if (Fields.EXCEPT_FIELDS.match(currentFieldName; parser.getDeprecationHandler())) {
parser.nextToken();
deniedFields = readStringArray(roleName; parser; true);
