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

Opster Team

Aug-23, Version: 6.8-8.2

Briefly, this error occurs when the data format for a role in Elasticsearch is incorrect. This could be due to incorrect JSON formatting, missing required fields, or incorrect data types. To resolve this issue, you should first verify the JSON formatting using a JSON validator. Next, ensure all required fields are included in the role definition. Lastly, check that the data types for each field are correct. If the error persists, consider resetting the role to its default settings and reconfiguring it.

This guide will help you check for common problems that cause the log ” error in the format of data for role [{}] ” 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 [{}]” 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(new ParameterizedMessage("error in the format of data for role [{}]"; name); e);
            return null;



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