Cannot parse application privilege name – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch is unable to parse the name of an application privilege due to invalid characters or format. The privilege name must be lowercase, less than 100 characters, and cannot include spaces or special characters. To resolve this issue, ensure that the privilege name adheres to these rules. If the problem persists, check the application logs for more detailed error messages that can help identify the root cause.

This guide will help you check for common problems that cause the log ” cannot parse application privilege [” + name + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “cannot parse application privilege [” + name + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                assert privilege.getName().equals(name.v2())
                    : "Incorrect name for application privilege. Expected [" + name.v2() + "] but was " + privilege.getName();
                return privilege;
        } catch (IOException | XContentParseException e) {
            logger.error(() -> "cannot parse application privilege [" + name + "]"; e);
            return null;