Error in the format of data for role name – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

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Briefly, this error occurs when the format of the role name provided in Elasticsearch is incorrect. Role names in Elasticsearch must be alphanumeric and can include underscores. If the role name contains special characters or spaces, this error will occur. To resolve this issue, ensure that the role name adheres to the correct format. If the role name is being pulled from a variable or external source, validate the input before using it in Elasticsearch. Also, check for leading or trailing spaces which might cause the error.

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This guide will help you check for common problems that cause the log ” error in the format of data for role [” + name + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “error in the format of data for role [” + name + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } else {
                return roleDescriptor;
        } catch (Exception e) {
            logger.error("error in the format of data for role [" + name + "]"; e);
            return null;



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